Cancer of colon, rectum and anus: the rising burden of disease worldwide from 1990 to 2019.

BACKGROUND: Previous studies suggest that trends of cancer of colon, rectum and anus (CRA) incidence and mortality have been decreasing in recent decades. However, the trends are not uniform across age groups. This study aimed to assess the trends of the cancer of CRA burden worldwide. METHODS: A descriptive study was carried out with a joinpoint regression analysis using the database of the Global Burden of Disease study. RESULTS: About 2.2 million new cases of cancer of CRA were diagnosed in the world in 2019, whereby cancer of CRA caused ~1.1 million deaths. Globally, the incidence trend in both sexes together was increasing in 1990-2019, while the mortality trend was decreasing. The highest rise both in incidence and mortality was observed in the East Asia region (by 3.6% per year and by 1.4% per year, respectively) and the Andean Latin America region (by 2.7% per year and by 1.2% per year, respectively). However, of particular concern is the significant increase in the incidence (by 1.7% per year) and mortality (by 0.5% per year) from cancer of CRA in people aged 15-49. CONCLUSIONS: Unfavorable trends in cancer of CRA in the young require more attention in management plans.

Global Patterns of Trends in Incidence and Mortality of Dengue, 1990-2019: An Analysis Based on the Global Burden of Disease Study.

Background and Objectives: Dengue is an important public health concern that warrants an examination of the longer-term global trends of its disease burden. The aim of this study was to assess the trends in dengue incidence and mortality worldwide over the last three decades. Materials and Methods: A descriptive epidemiological study was carried out, investigating the trends in the incidence and mortality of dengue from 1990 to 2019. The dengue incidence and mortality data were obtained from the Global Burden of Disease study database. Trends were examined using joinpoint regression analysis. Results: Globally, there were 56.7 million new cases of dengue reported in 2019: the disease was diagnosed in 27.4 million males and 29.3 million females. A total of 36,055 (18,993 males and 17,032 females) related deaths were reported worldwide in 2019. In both sexes, about 60% of new cases were recorded in the South-East Asia region (16.3 million in males and 17.4 million in females). Globally, the incidence of dengue exhibited an increasing tendency from 1990 to 2019 in both sexes (equally, by 1.2% per year). A significantly decreasing trend in the mortality of dengue was recorded only in females (by -0.5% per year), while an increasing trend was observed in males (by +0.6% per year). Conclusions: The rise in the number of new dengue cases and deaths in the world in the last several decades suggests a need for implementing more effective prevention and management measures.

Burden of infectious disease studies in Europe and the United Kingdom: a review of methodological design choices.

This systematic literature review aimed to provide an overview of the characteristics and methods used in studies applying the disability-adjusted life years (DALY) concept for infectious diseases within European Union (EU)/European Economic Area (EEA)/European Free Trade Association (EFTA) countries and the United Kingdom. Electronic databases and grey literature were searched for articles reporting the assessment of DALY and its components. We considered studies in which researchers performed DALY calculations using primary epidemiological data input sources. We screened 3053 studies of which 2948 were excluded and 105 studies met our inclusion criteria. Of these studies, 22 were multi-country and 83 were single-country studies, of which 46 were from the Netherlands. Food- and water-borne diseases were the most frequently studied infectious diseases. Between 2015 and 2022, the number of burden of infectious disease studies was 1.6 times higher compared to that published between 2000 and 2014. Almost all studies (97%) estimated DALYs based on the incidence- and pathogen-based approach and without social weighting functions; however, there was less methodological consensus with regards to the disability weights and life tables that were applied. The number of burden of infectious disease studies undertaken across Europe has increased over time. Development and use of guidelines will promote performing burden of infectious disease studies and facilitate comparability of the results.

Multi-country outbreak of severe acute hepatitis of unknown origin in children, 2022.

AIM: To describe epidemiological characteristics of multi-country outbreak of severe acute hepatitis of unknown origin in children in 2022. METHODS: A descriptive epidemiological study design was used. The review based on the available information concerning this multi-country outbreak aims to summarise the current knowledge about the severe acute hepatitis of unknown origin in children, highlights the suggested working hypotheses, introduces some of the potential explanations for its occurrence and reports on public health measures undertaken to control the disease. RESULTS: Since the first 10 cases of severe acute hepatitis of unknown origin in children in the United Kingdom on 5 April 2022, and up until the 29 August 2022, more than 1000 probable cases have been reported in 35 countries in the world. Up to today, 22 children died in this multi-country outbreak. Despite the numerous theories that have been suggested on the possible underlying causes of the outbreak, an association with hepatitis A-E viruses has been excluded. Adenovirus serotype 41 has been detected in numerous cases, which makes it the most likely underlying cause of the disease. CONCLUSION: Efficient surveillance and comprehension advancements of the epidemiology of this disease are especially important for effective prevention and outbreak response.

Psychological Distress in Women With Abnormal Pap Smear Results Attending Cervical Cancer Screening.

OBJECTIVE: Women often experience psychological distress upon receipt of an abnormal Pap test result. This study aimed to evaluate psychological distress and its correlates among women who received an abnormal Pap screening test result. MATERIAL AND METHODS: A cross-sectional study was performed in a cohort of 172 consecutive women who had attended screening for cervical cancer and who received abnormal Pap smear results and underwent additional diagnostic procedures (colposcopy/biopsy/endocervical curettage). The participants filled out a questionnaire on sociodemographic variables and the Cervical Dysplasia Distress Questionnaire. Multivariate linear regression was used for the analysis of the data. For multiple comparisons, the Bonferroni correction was applied to adjust the level of significance. RESULTS: In women who received an abnormal Pap smear result, the independent correlate of higher psychological distress (by Cervical Dysplasia Distress Questionnaire score) before diagnostic procedures was lower satisfaction with information/support received from other people ( p = .002). Correlates of psychological distress in women older than 40 years with abnormal Pap smear were anxiety ( p = .042) and worry about having cervical cancer, general health and having sex ( p = .044). CONCLUSIONS: The authors' findings could enable control of factors predictive of psychological distress in women who received a positive Pap smear screening test before undergoing diagnostic procedures, primarily via active provision of targeted information.

Epidemiology of Hip Fractures Due to Falls.

Background and Objectives: The epidemiological pattern of the hip fracture burden attributable to falls in Central European countries is still insufficiently known. The aim of this study was to assess the regional and national trends of hip fractures due to falls in Central Europe from 1990 to 2019. Materials and Methods: Using the Global Burden of Disease (GBD) 2019 study, this descriptive epidemiological study presents trends in incidence of and Years Lived with Disability (YLDs) from hip fractures due to falls in the region of Central Europe. All estimates (age- and sex-specific rates, and age-standardized rates) were expressed per 100,000. A joinpoint regression analysis was used to assess trends: the average annual percent change (AAPC) with a corresponding 95% confidence interval (95% CI) was calculated. Results: Among all new cases of hip fracture in the population as a whole in Central Europe in 2019, 3.9% in males and 7.0% in females were attributable to falls, while the share of hip fractures due to falls in the population aged 70 and over was 16.9% in males and 20.0% in females. About 400,000 new cases of hip fracture due to falls occurred in the Central European region in 2019 (220,000 among males and 160,000 among females), resulting in 55,000 YLDs (32,000 in females and 22,000 in males). About one-third of all new cases (59,326 in males and 72,790 in females) and YLDs (8585 in males, and 10,622 in females) of hip fractures due to falls were recorded in Poland. From 1990 to 2019, the age-standardized incidence rates of hip fracture due to falls showed a decreasing tendency in females (AAPC = -1.1%), and an increasing tendency in males (AAPC = 0.1%). Both in males and females, YLDs rates of hip fracture due to falls in the Central European region decreased (AAPC = -1.6% and AAPC = -2.4%, respectively). Conclusions: Hip fracture due to falls represents an important health issue in the Central European region, although incidences and YLDs declined in the most recent decades. However, further efforts to reduce the burden of hip fractures attributed to falls are needed.

Predictors of depressive symptoms before and after diagnostic procedures in women with abnormal Pap smear attending cervical cancer screening programme in Serbia.

OBJECTIVES: Receipt of a positive Papanicolaou screening result and subsequent referral for diagnostic tests can cause psychological stress. Still, not enough is known about depression before and after the diagnostic test in these women. The aim of this study was to determine the burden and predictors of depressive symptoms prior to and after diagnostic investigations in women who had received a positive Papanicolaou screening result. METHODS: This was a cross-sectional study. Study cohort comprised women who received an abnormal Papanicolaou screening result. Women completed the socio-demographic questionnaire and 'The Center for Epidemiologic Studies Depression, CES-D' questionnaire before and after diagnostic tests (colposcopy/biopsy/endocervical curettage) to assess factors related to depression. RESULTS: No significant difference was noted in the frequency of depressive symptoms (CES-D score ≥ 16) before and after diagnostic investigations, but the mean score on CES-D scale showed a significant difference before and after diagnostic investigations (13.98 ± 9.56 and 12.74 ± 9.15, respectively). A significant predictor of depression before diagnostic investigations was spontaneous abortion, whereas family history of other gynaecological cancers was a predictor of depression after diagnostic investigations. CONCLUSIONS: Our findings could contribute to improving the rates of cervical cancer screening, by identifying women at risk for depression before and after investigations.

Predictors of Anxiety Before and After Diagnostic Procedures in Women with Abnormal Papanicolaou Smear in Cervical Cancer Screening Program.

Anxiety is one of the most common causes of withdrawal from follow-up among women with abnormal Papanicolaou screening results. The purpose of this study was to investigate predictors of anxiety in women with abnormal Papanicolaou smear in cervical cancer screening program. A population-based, cross-sectional study concerning the factors related to anxiety was carried out during 2017 in a cohort of women (N = 172) with positive Papanicolaou screening test before and after diagnostic procedures (colposcopy/biopsy/endocervical curettage) at one university Clinical Center in Serbia. Women completed a socio-demographic questionnaire and scale concerning anxiety (Hospital Anxiety and Depression Scale, subscale HADS-Anxiety) immediately before and 2-4 weeks after the diagnostic procedures. Multivariate logistic regression was applied in the data analysis. In our study, 35.2% (n = 52) of women had abnormal anxiety scores before the diagnostic procedures and 40.1% (n = 69) after the diagnostic procedures. Predictors of anxiety before diagnostic procedures were family history of noncervical gynecological cancers, higher level of worry and high burden of depressive symptoms. Significant independent predictors of anxiety after diagnostic procedures in women were rural residence, tension and discomfort during medical procedures, and less satisfaction with information/support. Although there was no significant difference in the prevalence of anxiety before and after diagnostic procedures in women with abnormal Papanicolaou screening results, results of this research will enable doctors to successfully make decisions concerning timely psychological support for women with positive screening test for cervical cancer that is necessary to decrease anxiety in our population.

Internal consistency and validity of the Hospital Anxiety and Depression Scale (HADS) in women with abnormal Pap smear in Serbia.

Receiving a report of an abnormal finding of Pap screening test in women often leads to anxiety and depression. The purpose of this study was to investigate the construct validity and internal consistency reliability of the Serbian version of the Hospital Anxiety and Depression Scale (HADS) in women with abnormal Pap smear results. In 2017, a cross-sectional study was done involving 142 consecutive women attending cervical cancer screening who had received abnormal Pap smear results at one University clinical center in Serbia. We used exploratory factor analysis to establish the structure of the HADS and Cronbach's alpha coefficient was used for assessing the internal consistency. In our study, the HADS demonstrated high internal consistency, for both subscales (Cronbach's alpha coefficient for subscale Anxiety was 0.862, and for subscale Depression was 0.851). The intra-class correlation coefficients for the two components were significant (0.860 and 0.843, p < .001). Principal component analysis with Oblimin rotation indicated a two-factor structure that explained 56.4% of variance. In conclusion, the Serbian version of the HADS showed satisfactory internal consistency reliability and construct validity and could be useful as a screening questionnaire for the assessment of anxiety and depression among women with abnormal Pap smear results.

Effects of adding necitumumab to first-line chemotherapy in patients with stage IV non-small-cell lung cancer: Meta-analysis.

INTRODUCTION: Almost half of patients with non-small-cell lung cancer (NSCLC) are diagnosed at an advanced stage. Our aim was to assess the effects of adding necitumumab to chemotherapy in patients with stage IV NSCLC. MATERIAL AND METHODS: A comprehensive literature search was performed according to pre-specified inclusion and exclusion criteria. Data on overall survival, progression-free survival, objective response rate and adverse events were extracted. A meta-analysis was performed to obtain pooled hazard ratios (HR) and corresponding 95% confidence intervals (CI) for time-to-event data and pooled odds ratio (OR) with 95% CI for dichotomous outcomes. RESULTS: The meta-analysis included four randomized clinical trials with 2074 patients. The pooled results showed significant improvement for overall survival (HR = 0.87 (95% CI 0.79-0.95), p = 0.004) when necitumumab was added to chemotherapy in patients with advanced NSCLC. No statistically significant improvement was noted for progression-free survival and objective response rate (HR = 0.83 (95% CI 0.69-1.01), p = 0.06 and OR = 1.46 (95% CI 0.90-2.38), p = 0.13, respectively). Subgroup analysis showed that in patients with non-squamous NSCLC, there was no benefit in overall survival and objective response rate. Patients with advanced NSCLC who received necitumumab were at the highest odds of developing a skin rash (OR = 14.50 (95% CI 3.16-66.43), p = 0.0006) and hypomagnesaemia (OR = 2.77 (95% CI 2.23-3.45), p < 0.00001), while the OR for any grade ≥3 adverse event was 1.55 (95% CI 1.28-1.87, p < 0.00001). CONCLUSIONS: The addition of necitumumab to standard chemotherapy in a first-line setting in patients with stage IV NSCLC results in a statistically significant improvement in overall survival, while the results were not significant for progression-free survival and objective response rate.

Cigarette Smoking and E-Cigarette Use by Pharmacy Students in Serbia.

The purpose of this study was to assess the use of e-cigarettes among pharmacy students. In 2016, we conducted a cross-sectional study among pharmacy students enrolled at the University of Kragujevac (Serbia). Overall, 47.0% of pharmacy students reported that they ever smoked cigarettes; 29.7% were former and 17.3% were current smokers. The overall prevalence of e-cigarette use was 9.9%. The final year pharmacy students significantly more frequently smoked tobacco cigarettes (p = .001) and used e-cigarettes (p = .009) compared to younger students. Also, alcohol use was positively related to ever smoking tobacco cigarettes (adjusted OR = 4.57, 95% CI = 2.80-7.43; p < .001) and to ever use of e-cigarettes (adjusted OR = 5.58, 95% CI = 1.58-19.71; p = .008). The pharmacy students who ever used e-cigarettes more frequently reported a history of self-funded study financing (adjusted OR = 14.68, 95% CI = 2.42-89.17; p = .004) and use of psychoactive substances (adjusted OR = 13.63, 95% CI = 2.52-73.69; p = .002). In pharmacy students, a higher overall grade was related to a significantly less frequent ever use of tobacco cigarettes (adjusted OR = 0.43, 95% CI = 0.22-0.84, p = .015). This paper highlights the need for a more effective tobacco control among pharmacy students in Serbia in order to reduce smoking prevalence.

Reliability and validity of the Center for Epidemiologic Studies Depression (CES-D) scale in Serbian women with abnormal Papanicolaou smear results.

OBJECTIVES: Cervical cancer ranks as the second most frequent cancer among women in Serbia. Organized screening for detection of cervical cancer was introduced in Serbia in 2013 and provided free of charge in all state health facilities. Studies have shown that depression frequently follows the notification of abnormal findings on the Papanicolaou (Pap) screening test. The aim of this study was to examine the reliability and validity of the Center for Epidemiologic Studies Depression (CES-D) scale among women in Serbia receiving a report of abnormal cytology. METHODS: This population-based study used cross-sectional, self-reported data involving 198 consecutive women attending cervical cancer screening who had received abnormal Pap smear results. All participants completed the socio-demographic questionnaire and CES-D scale. Reliability of the CES-D scale was assessed by internal consistency reliability (measured with standardized Cronbach's coefficient α). Exploratory factor analysis was done using Promax rotation. RESULTS: The overall Cronbach's α coefficient of the CES-D scale was 0.865, while the Cronbach's α coefficients for the subscales Depressed affect, Somatic complaints, Positive affect, and Interpersonal relationship were 0.885, 0.802, 0.851, and 0.593, respectively. Principal component analysis with Oblimin rotation indicated four main components that explained 62.0% of variance. Over one-quarter (28.8%) of the participants scored above the cut point (≥16) on the CES-D scale. The mean score for depressive symptoms was 13.0 for the study sample. CONCLUSIONS: The Serbian version of the CES-D scale proved to be a valid and reliable instrument for identifying patients with depressive symptoms among women with abnormal Pap smear results.

Psychometric Properties of the World Health Organization's Quality of Life (WHOQOL-BREF) Questionnaire in Medical Students.

Background and Objectives: Studies on the effects of studying on a medical student's quality of life are sparse. The World Health Organization Quality of Life (WHOQOL-BREF) questionnaire is a widely used scale that enables the assessment and international comparisons of the quality of life. The aim of this study was to evaluate psychometric properties of the WHOQOL-BREF questionnaire among Serbian medical students. Material and Methods: We conducted a cross-sectional study that involved 760 medical students at a state medical faculty at the University of Kragujevac, Serbia. The reliability of the WHOQOL-BREF was evaluated using Cronbach's alpha coefficient and test-retest analysis, and the validity was examined using principal component analysis, with Promax rotation method. Results: Cronbach's alpha coefficient for the whole WHOQOL-BREF scale was 0.896. Internal reliability for all domains was above 0.70, except for the domain "Social Relationships" (0.533). The test-retest reliability for all domains was significant at p 0.01 level, showing good stability of the scale. Principal component analysis with Promax rotation method indicated four main components that explained 49.5% of variance. Conclusion: The Serbian version of the WHOQOL-BREF scale showed satisfactory psychometric properties that facilitate estimation of the quality of life of medical students.

Ischaemic heart disease mortality in Serbia, 1991-2013; a joinpoint analysis.

BACKGROUND & OBJECTIVES: Ischaemic heart disease (IHD) has been one of the leading causes of mortality in the world. In many European countries the mortality rates due to IHD have been rising rapidly. This study was aimed to assess the IHD mortality trend in Serbia. METHODS: A population-based cross-sectional study analyzing IHD mortality in Serbia in the period 1991-2013 was carried out based on official data. The age-standardized rates (ASRs, per 100,000) were calculated using the direct method, according to the European standard population. Joinpoint analysis was used to estimate the average annual percentage change (AAPC) with the corresponding 95 per cent confidence interval (CI). RESULTS: More than 253,000 people (143,420 men and 110,276 women) died due to IHD in Serbia during the observed period, and most of them (over 160,000 people) were patients with myocardial infarction (MI). Average annual ASR for IHD was 113.6/100,000. There was no overall significant trend for mortality due to IHD (AAPC=+0.1%, 95% CI -0.8-1.0), but there was one joinpoint: the trend significantly increased by +2.3 per cent per year from 1991 to 2006 and then significantly decreased by -6.4 per cent from 2006 to onwards. Significantly decreased mortality trends for MI in both genders were observed: according to the comparability test, mortality trends in men and women were parallel (final selected model failed to reject parallelism, P=0.0567). INTERPRETATION & CONCLUSIONS: No significant trend for mortality due to IHD was observed in Serbia during the study period. The substantial decline of mortality from IHD seen in most developed countries during the past decades was not observed in Serbia. Further efforts are required to reduce mortality from IHD in Serbian population.

Burnout Syndrome Among Medical Students at One University in Serbia: Validity and Reliability of the Maslach Burnout Inventory-Student Survey.

The Maslach Burnout Inventory-Student Survey (MBI-SS) contains 15 items that evaluate the following burnout dimensions: Emotional Exhaustion, Cynicism, and Academic Efficacy. The purpose of this study was to evaluate the dimensionality of the MBI-SS on a sample of Serbian medical students (N = 760). The overall Cronbach's α coefficient of the MBI-SS questionnaire was 0.757, while the Cronbach's α coefficients for Emotional Exhaustion, Cynicism, and Academic Efficacy were 0.869, 0.856, and 0.852, respectively. Principal Component Analysis with Oblimin rotation indicated 3 main components that explained 64.9% variance. The confirmatory factor analysis revealed good fit indices (χ2/df = 575.74/87, RMSEA = 0.086 (90% Confidence Interval for RMSEA = 0.079 to 0.092), CFI = 0.949, NNFI = 0.939, IFI = 0.949, GFI = 0.904) of the MBI-SS scale. The Serbian version of MBI-SS represents a valid and reliable instrument in the Serbian sample of medical students.

Prostate cancer mortality in Serbia, 1991-2010: a joinpoint regression analysis.

BACKGROUND: The aim of this descriptive epidemiological study was to analyze the mortality trend of prostate cancer in Serbia (excluding the Kosovo and Metohia) from 1991 to 2010. METHODS: The age-standardized prostate cancer mortality rates (per 100 000) were calculated by direct standardization, using the World Standard Population. Average annual percentage of change (AAPC) and the corresponding 95% confidence interval (CI) was computed for trend using the joinpoint regression analysis. RESULTS: Significantly increased trend in prostate cancer mortality was recorded in Serbia continuously from 1991 to 2010 (AAPC = +2.2, 95% CI = 1.6-2.9). Mortality rates for prostate cancer showed a significant upward trend in all men aged 50 and over: AAPC (95% CI) was +1.9% (0.1-3.8) in aged 50-59 years, +1.7% (0.9-2.6) in aged 60-69 years, +2.0% (1.2-2.9) in aged 70-79 years and +3.5% (2.4-4.6) in aged 80 years and over. According to comparability test, prostate cancer mortality trends in majority of age groups were parallel (final selected model failed to reject parallelism, P > 0.05). CONCLUSION: The increasing prostate cancer mortality trend implies the need for more effective measures of prevention, screening and early diagnosis, as well as prostate cancer treatment in Serbia.

Liver Cancer Mortality and Food Consumption in Serbia, 1991-2010: An Ecological Study.

AIM: This paper investigates the correlation between liver cancer mortality and consumption of food-groups in Serbia. METHODS: We conducted an ecological study. The study comprised the population of the Republic of Serbia (about 7.5 million inhabitants) during the period 1991-2010. This ecological study included the data on food consumption per capita which were obtained by the Household Budget Survey and mortality data for liver cancer made available by the National Statistical Office. Linear trend model was used to assess a trend of age-adjusted liver cancer mortality rates (per 100,000 persons) that were calculated by the method of direct standardization using the World Standard Population. Pearson correlation was performed to examine the association between liver cancer mortality and per capita food consumption quantified with a correlation coefficient (r value). RESULTS: In Serbia, over the past two decades a significantly decreasing trend of liver cancer mortality rates has been observed (p<0.001). Liver cancer mortality was significantly (p<0.01) positively correlated with animal fat, beef, wine and spirits intake (r=0.713, 0.631, 0.632 and 0.745, respectively). A weakly positive correlation between milk consumption and mortality from liver cancer (r=0.559, p<0.05) was found only among women. The strongest correlation was found between spirits consumption and liver cancer mortality rates in women (r=0.851, p<0.01). A negative correlation between coffee consumption and age-adjusted liver cancer mortality rates was found (r=0.516, p<0.05) only for the eldest men (aged 65 years or older). CONCLUSIONS: Correlations between liver cancer and dietary habits were observed and further effort is needed in order to investigate a possible causative association, using epidemiological analytical studies.

Global Burden of Pancreatic Cancer Attributable to High Body-Mass Index in 204 Countries and Territories, 1990-2019.

(1) Background: This study aimed to assess the global burden of pancreatic cancer attributable to a high BMI in 1990-2019. (2) Methods: An ecological study was carried out. Data about deaths and Disability-Adjusted Life Years (DALYs) for pancreatic cancer were extracted from the Global Burden of Disease (GBD) study. The age-standardized rates (ASRs, per 100,000) were presented. In order to determine trends of pancreatic cancer burden, joinpoint regression analysis was used to calculate the average annual percent change (AAPC). (3) Results: The highest ASRs of DALYs of pancreatic cancer were found in the United Arab Emirates (47.5 per 100,000), followed by countries with about 25.0 per 100,000 (such as Hungary, Czechia, and Montenegro). From 1990 to 2019, the ASRs of deaths and DALYs of pancreatic cancer attributable to a high BMI significantly increased (p < 0.001) for both sexes in all ages, and across all SDI quintiles and all GBD regions. The highest fraction of DALYs attributable to a high BMI was found in the United States of America and China (equally about 15.0%), followed by the Russian Federation, India, Germany, and Brazil (about 5.0%, equally). (4) Conclusions: Further analytical epidemiological studies are necessary to elucidate the relationship between pancreatic cancer and a high BMI.

High risk of burnout syndrome and associated factors in medical students: A cross-sectional analytical study.

INTRODUCTION: Although research on burnout syndrome in medical students has increased in recent years, results are inconsistent about which factors are associated with a high risk for burnout syndrome. The aim of this study was to assess the prevalence of high risk of burnout syndrome and to identify factors associated with burnout in medical students in preclinical and clinical training. METHOD: A cross-sectional study was conducted at the University of Kragujevac, Serbia. The Maslach Burnout Inventory Student Survey and an epidemiological questionnaire on basic socio-demographic and academic characteristics were used. Statistical evaluation was performed through logistic regression analysis, using Odds Ratio (OR) and 95% Confidence Interval (CI). RESULTS: Among medical students, no statistically significant differences were found in the prevalence of high risk of burnout syndrome in preclinical (14.8%) and clinical grade (15.1%), p > 0.05. High risk for burnout syndrome in preclinical study years was independently associated with the female sex (adjusted OR = 0.41, 95%CI = 0.19-0.91, p = 0.028), and cigarette smoking (adjusted OR = 2.47, 95%CI = 1.05-5.78, p = 0.038). The high risk of burnout syndrome was associated with sedatives use (adjusted OR = 4.03, 95%CI = 1.27-12.73; p = 0.018) only in clinical years medical students. The frequency of alcohol consumption was correlated with the high risk of burnout syndrome in medical students in both preclinical and clinical training, but without statistical significance (both p for trend < 0.1). CONCLUSION: There was a significant prevalence of burnout among medical students, with some modifiable associated factors revealed.

International patterns and trends in the brain cancer incidence and mortality: An observational study based on the global burden of disease.

Background: Brain cancer is a serious issue in the global burden of diseases. This observational research aimed to assess trends of the brain cancer incidence and mortality in the world in the period 1990-2019. Methods: Brain cancer incidence and mortality data were retrieved from the Global Burden of Disease 2019 study database. The joinpoint regression analysis was done to assess the brain cancer indicence and mortality trends: the average annual percent change (AAPC) along with its 95% confidence interval (95% CI) was calculated. Results: In both sexes, the highest age-standardized rates of incidence and mortality were found in high-income regions (Europe and America), while the lowest were observed in the African Region. A significant rise in brain cancer incidence rates both in males and females was observed in all regions, with one exception of a significantly decreased trend only among males in the South-East Asia Region. Among countries with increased trends in incidence and mortality from brain cancer, Cuba experienced the most marked increase in both incidence (AAPC = +5.7% in males and AAPC = +5.4% in females) and mortality rates (AAPC = +5.5% in males and AAPC = +5.1% in females). Among countries that experienced a decline in brain cancer incidence and mortality, Hungary and Greenland showed the most marked decline in both sexes (equally by -1.0%). Conclusion: Brain cancer shows increasing global incidence rates in both sexes and represents a priority for prevention and further research.