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1.
Acta Oncol ; 61(12): 1454-1462, 2022 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-36527434

RESUMEN

Background: Patient representatives are increasingly engaged in quality in health care, and even though quality data are publicly available, correct interpretation may be challenging. We designed a randomized study with the primary aim to examine the association between preferred data presentation format and the interpretation of quality data among cancer patients and relatives.Material and methods: Surveys were distributed to the Danish Cancer Society Citizens' Panel between 31 March and 14 April 2019 and 55% completed the survey (N = 464) including six storyboards that presented authentic quality data in table format, league table and point estimates. The storyboards were randomized to expose participants to the data in the three different formats and in varying presentation order. Logistic regression models were used to calculate Odds Ratios (ORs) and 95% confidence intervals (CIs) for the association between preferred presentation format, health literacy, education and cohabitation status as exposures and interpretation of quality data as outcome.Results: The majority of participants (97%) had high literacy and 57% had a medium or long higher education. A total of 60% found the questions difficult or very difficult and 33% were not able to correctly interpret at least one format. Correct interpretation was associated with preferred league table (OR = 1.62; 95% CI = 1.04-5.52) and if the data was presented in the preferred format. Medium and long education were associated with correct interpretation of at least one format (OR = 1.93; 95% CI = 1.16-3.21 and OR = 3.89; 95% CI = 1.90-7.95, respectively) while health literacy and cohabitation status were not.Conclusions: More than one third of the participants were not able to correctly interpret the data and the understanding of quality data improved with longer education and if the data was presented in the preferred format. Decision-makers should carefully consider displaying quality data according to preferred presentation format and to guide interpretation for individuals with short education.


Asunto(s)
Alfabetización en Salud , Neoplasias , Humanos , Modelos Logísticos , Escolaridad , Encuestas y Cuestionarios
2.
Lancet Oncol ; 22(7): 1002-1013, 2021 07.
Artículo en Inglés | MEDLINE | ID: mdl-34048685

RESUMEN

BACKGROUND: Colorectal cancer screening programmes and uptake vary substantially across Europe. We aimed to compare changes over time in colorectal cancer incidence, mortality, and stage distribution in relation to colorectal cancer screening implementation in European countries. METHODS: Data from nearly 3·1 million patients with colorectal cancer diagnosed from 2000 onwards (up to 2016 for most countries) were obtained from 21 European countries, and were used to analyse changes over time in age-standardised colorectal cancer incidence and stage distribution. The WHO mortality database was used to analyse changes over time in age-standardised colorectal cancer mortality over the same period for the 16 countries with nationwide data. Incidence rates were calculated for all sites of the colon and rectum combined, as well as the subsites proximal colon, distal colon, and rectum. Average annual percentage changes (AAPCs) in incidence and mortality were estimated and relevant patterns were descriptively analysed. FINDINGS: In countries with long-standing programmes of screening colonoscopy and faecal tests (ie, Austria, the Czech Republic, and Germany), colorectal cancer incidence decreased substantially over time, with AAPCs ranging from -2·5% (95% CI -2·8 to -2·2) to -1·6% (-2·0 to -1·2) in men and from -2·4% (-2·7 to -2·1) to -1·3% (-1·7 to -0·9) in women. In countries where screening programmes were implemented during the study period, age-standardised colorectal cancer incidence either remained stable or increased up to the year screening was implemented. AAPCs for these countries ranged from -0·2% (95% CI -1·4 to 1·0) to 1·5% (1·1 to 1·8) in men and from -0·5% (-1·7 to 0·6) to 1·2% (0·8 to 1·5) in women. Where high screening coverage and uptake were rapidly achieved (ie, Denmark, the Netherlands, and Slovenia), age-standardised incidence rates initially increased but then subsequently decreased. Conversely, colorectal cancer incidence increased in most countries where no large-scale screening programmes were available (eg, Bulgaria, Estonia, Norway, and Ukraine), with AAPCs ranging from 0·3% (95% CI 0·1 to 0·5) to 1·9% (1·2 to 2·6) in men and from 0·6% (0·4 to 0·8) to 1·1% (0·8 to 1·4) in women. The largest decreases in colorectal cancer mortality were seen in countries with long-standing screening programmes. INTERPRETATION: We observed divergent trends in colorectal cancer incidence, mortality, and stage distribution across European countries, which appear to be largely explained by different levels of colorectal cancer screening implementation. FUNDING: German Cancer Aid (Deutsche Krebshilfe) and the German Federal Ministry of Education and Research.


Asunto(s)
Neoplasias Colorrectales/epidemiología , Detección Precoz del Cáncer , Adulto , Distribución por Edad , Anciano , Neoplasias Colorrectales/mortalidad , Neoplasias Colorrectales/patología , Europa (Continente)/epidemiología , Femenino , Humanos , Incidencia , Masculino , Persona de Mediana Edad , Estadificación de Neoplasias , Valor Predictivo de las Pruebas , Sistema de Registros , Distribución por Sexo , Factores de Tiempo
3.
Eur J Public Health ; 31(2): 340-346, 2021 04 24.
Artículo en Inglés | MEDLINE | ID: mdl-33417705

RESUMEN

BACKGROUND: Colorectal cancer screening program using a fecal immunochemical test aims to reduce morbidity and mortality through early detection. Although screening participation is free-of-charge, almost 40% of the invited individuals choose not to participate. To bring new insight into how non-participation can be identified and targeted, we examined the association between marital status and screening participation; with a focus on partner concordance in participation and sex differences. METHODS: This nationwide cross-sectional study included all Danish citizens aged 50-74 years, who were invited to colorectal cancer screening between 2014 and 2017. Logistic regression analysis was used to estimate odds ratio (OR) of participation while adjusting for sociodemographic variables. RESULTS: A total of 1 909 662 individuals were included in the analysis of which 62.7% participated in the screening program. Participation was highest among women. Stratified by marital status, screening participation was markedly lower in widowed (61.5%), divorced (54.8%) and single (47.3%), while participation reached 68.4% in married individuals. This corresponded to ORs of 0.59 (95% CI 0.58-0.59) for widowed, 0.56 (95% CI 0.55-0.56) for divorced and 0.47 (95% CI 0.47-0.48) for single, compared to married individuals. Individuals married to a participating partner were five times more likely to participate than married individuals with a non-participating partner, regardless of gender. CONCLUSIONS: Marital status was strongly associated with participation in colorectal cancer screening, and participation was even higher in married individuals with a participating partner. Future efforts to increase participation in colorectal cancer screening could potentially benefit from considering the role of partner concordance.


Asunto(s)
Neoplasias Colorrectales , Detección Precoz del Cáncer , Neoplasias Colorrectales/diagnóstico , Estudios Transversales , Femenino , Humanos , Masculino , Estado Civil , Sangre Oculta
4.
Acta Neurol Scand ; 141(3): 204-211, 2020 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-31701519

RESUMEN

OBJECTIVES: Cancer is associated with higher risk of stroke. Whether this translates into higher risk of cancer in stroke of an extent calling for cancer screening in stroke is unclear. We investigated prevalence and risk of occult cancer in stroke compared to the background population without history of stroke. MATERIALS AND METHODS: All patients >40 years of age with incident stroke in Denmark 2003-2015 were identified through the Danish Stroke Registry (n = 85 893) and matched 1:10 on age and sex to the Danish background population without history of stroke (n = 858 740). Linking data to the Danish Cancer Registry, we determined prevalence of occult cancer in stroke defined as the event of previously unknown cancer during a 1-year follow-up in the stroke and in the background population. Cox regression models were used to study risk in comparison to the background population. RESULTS: Prevalence (per 1000) of occult cancer in the stroke/background cohorts was 25.0/15.8 in women and 29.8/20.4 in men. Prevalence was dependent on age and sex. Highest among stroke patients aged 70-80 years (35.6 in women, 42.4 in men); lowest in patients aged 40-50 years (8.3 in women, 6.8 in men). Stroke was associated with an overall 54% higher risk of occult cancer but risk increased significantly with smoking, hazard ratio (HR) 1.47, age HR 1.27 per 10 years, male sex HR 1.25, and diabetes HR 1.25. CONCLUSIONS: Prevalence and risk of occult cancer in stroke is considerable and calls for attention when designing the stroke investigation program.


Asunto(s)
Neoplasias/epidemiología , Accidente Cerebrovascular/epidemiología , Adulto , Anciano , Anciano de 80 o más Años , Dinamarca , Diabetes Mellitus/epidemiología , Femenino , Humanos , Masculino , Persona de Mediana Edad , Prevalencia , Modelos de Riesgos Proporcionales , Sistema de Registros/estadística & datos numéricos , Fumar/epidemiología
5.
Acta Neurol Scand ; 142(5): 486-492, 2020 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-32562260

RESUMEN

OBJECTIVES: Stroke is associated with a higher risk of occult cancer. We studied the types of occult cancer most often associated with stroke. MATERIALS AND METHODS: All patients with incident stroke in Denmark 2003-2015 were identified through the Danish Stroke Registry (n = 85 893) and matched 1:10 on age and sex to the Danish background population without history of stroke (n = 858 740). Linking data to the Danish Cancer Registry, we determined the prevalence of occult cancer in stroke defined as the event of previously unknown cancer during a one-year follow-up in the stroke and the background population. We stratified cancers into the 15 most common cancers and into cancers related to and not related to smoking. RESULTS: Prevalence (per 1000 person-years; stroke/background population) of smoking-related occult cancers (lung, colon, bladder rectum, pancreas, kidney, stomach, and head and neck) was 13.3/8.1 (P < .01) and of cancers not related to smoking (prostate, breast, melanoma, non-Hodgkin lymphoma, ovary, endometrial) it was 6.6/6.2 (P > .05). Among men with stroke prostate (5.8), lung (5.7), and colon cancers (2.9) were most frequent; among women, it was lung (4.7), breast(3.5), and colon cancer(2.8). Among men in the background population, prostate(5.4), lung (3.0), and colon cancers (2.1) were most frequent. Among women, it was breast (3.7), lung(2.1), and colon cancers (1.9). CONCLUSION: Stroke patients' increased risk of occult cancer was predominantly for smoking-related cancers while there was no higher risk for the most frequent cancers unrelated to smoking, that is, prostate and breast cancers. Lung cancer is the dominant type of occult cancer in stroke.


Asunto(s)
Neoplasias/epidemiología , Fumar/efectos adversos , Accidente Cerebrovascular/epidemiología , Adulto , Anciano , Femenino , Humanos , Incidencia , Masculino , Persona de Mediana Edad , Prevalencia , Sistema de Registros , Fumar/epidemiología
6.
J Stroke Cerebrovasc Dis ; 29(9): 105023, 2020 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-32807438

RESUMEN

BACKGROUND: Lung cancer and stroke share smoking as a major cause of disease. We investigated prevalence and risk of occult lung cancer with manifestation during the first year after stroke. METHODS: All patients >40 years of age with incident stroke in Denmark 2003-2015 were identified through the Danish Stroke Registry (n=85,893) and matched 1:10 on age and sex to the Danish background population without a history of stroke (n=858,740). Linking data to the Danish Cancer Registry we determined prevalence of occult primary lung cancer defined as the event of previously unknown lung cancer during a one-year follow-up in the stroke and the background population. Cox regression models with adjustments for demographics, co-morbidities and stroke risk factors were used to study risk compared to the background population. RESULTS: Prevalence (per 1000 person-years) of occult lung cancer in the stroke cohort was 5.3; in the background cohort 2.6. Prevalence separately for current smokers (n=26,055) was 9.6; ex-smokers (n=20,035) 6.5; never-smokers (n=27,268) 1.4. Risk of occult lung cancer (adjusted) was increased HR 1.95 in the stroke population. In the stroke population adjusting for stroke risk factors age (HR 1.24 per 10 years) and smoking (HR 7.1 in current smokers; HR 1.6 in ex-smokers) were the only significant risk factors for occult lung cancer. CONCLUSIONS: Occult lung cancer is rarely found in stroke patients who have never smoked. It is not uncommon in smokers in whom 1% of current smokers had occult lung cancer that became manifest within the first year after stroke.


Asunto(s)
Neoplasias Pulmonares/epidemiología , Accidente Cerebrovascular/epidemiología , Adulto , Anciano , Anciano de 80 o más Años , Dinamarca/epidemiología , Ex-Fumadores , Femenino , Humanos , Incidencia , Neoplasias Pulmonares/diagnóstico , Masculino , Persona de Mediana Edad , No Fumadores , Prevalencia , Sistema de Registros , Medición de Riesgo , Factores de Riesgo , Fumadores , Fumar/efectos adversos , Fumar/epidemiología , Accidente Cerebrovascular/diagnóstico , Factores de Tiempo
8.
Sci Rep ; 12(1): 549, 2022 01 11.
Artículo en Inglés | MEDLINE | ID: mdl-35017625

RESUMEN

Environmental exposures and avoidable risk factors account for a large proportion of cancer burden. Exposures and lifestyle vary over time and between populations, which calls for updated and population-specific quantification of how various avoidable risk factors influence cancer risk to plan and design rational and targeted prevention initiatives. The study considered 12 risk-factor groups categorized as class I carcinogens by IARC/WCRF. Exposure data was derived from national studies and surveys and were linked to cancer incidence in 2018 based on the nationwide Danish Cancer Registry. In 2018, 23,078 men and 21,196 women were diagnosed with cancer excluding non-melanoma skin cancer, in Denmark. Of these, 14,235 (32.2%) were estimated to be attributable to avoidable class I carcinogens. Tobacco smoking accounted for 14.6% of total cancers, followed by UV-radiation that accounted for 5.8%. Based on exposure data from 2008, one-third of the cancers in Denmark in 2018 are estimated to be caused by class I carcinogens with tobacco use being the main contributor followed by UV-radiation. Our results should be integrated with public health policies to effectively increase awareness and promote strategies to decrease risk factor exposures at population level.


Asunto(s)
Estilo de Vida
9.
Lancet Gastroenterol Hepatol ; 7(8): 711-723, 2022 08.
Artículo en Inglés | MEDLINE | ID: mdl-35561739

RESUMEN

BACKGROUND: The effects of recently implemented colorectal cancer screening programmes in Europe on colorectal cancer mortality will take several years to be fully known. We aimed to analyse the characteristics and parameters of screening programmes, proportions of colorectal cancers detected through screening, and stage distribution in screen-detected and non-screen-detected colorectal cancers to provide a timely assessment of the potential effects of screening programmes in several European countries. METHODS: We conducted this population-based study in nine European countries for which data on mode of detection were available (Belgium, Denmark, England, France, Italy, Ireland, the Netherlands, Slovenia, and Spain). Data from 16 population-based cancer registries were included. Patients were included if they were diagnosed with colorectal cancer from the year that organised colorectal cancer screening programmes were implemented in each country until the latest year with available data at the time of analysis, and if their age at diagnosis fell within the age groups targeted by the programmes. Data collected included sex, age at diagnosis, date of diagnosis, topography, morphology, clinical and pathological TNM information based on the edition in place at time of diagnosis, and mode of detection (ie, screen detected or non-screen detected). If stage information was not available, patients were not included in stage-specific analyses. The primary outcome was proportion and stage distribution of screen-detected versus non-screen detected colorectal cancers. FINDINGS: 228 667 colorectal cancer cases were included in the analyses. Proportions of screen-detected cancers varied widely across countries and regions. The highest proportions (40-60%) were found in Slovenia and the Basque Country in Spain, where FIT-based programmes were fully rolled out, and participation rates were higher than 50%. A similar proportion of screen-detected cancers was also found for the Netherlands in 2015, where participation was over 70%, even though the programme had not yet been fully rolled out to all age groups. In most other countries and regions, proportions of screen-detected cancers were below 30%. Compared with non-screen-detected cancers, screen-detected cancers were much more often found in the distal colon (range 34·5-51·1% screen detected vs 26·4-35·7% non-screen detected) and less often in the proximal colon (19·5-29·9% screen detected vs 24·9-32·8% non-screen detected) p≤0·02 for each country, more often at stage I (35·7-52·7% screen detected vs 13·2-24·9% non-screen detected), and less often at stage IV (5·8-12·5% screen detected vs 22·5-31·9% non-screen detected) p<0·0001 for each country. INTERPRETATION: The proportion of colorectal cancer cases detected by screening varied widely between countries. However, in all countries, screen-detected cancers had a more favourable stage distribution than cancers detected otherwise. There is still much need and scope for improving early detection of cancer across all segments of the colorectum, and particularly in the proximal colon and rectum. FUNDING: Deutsche Krebshilfe.


Asunto(s)
Neoplasias Colorrectales , Detección Precoz del Cáncer , Neoplasias Colorrectales/diagnóstico , Neoplasias Colorrectales/epidemiología , Europa (Continente)/epidemiología , Humanos , Tamizaje Masivo , España
10.
Eur Stroke J ; 5(3): 237-244, 2020 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-33072877

RESUMEN

INTRODUCTION: Symptoms of occult brain cancer may mimic stroke. Misdiagnosis may lead to improper treatment and delayed diagnosis. We characterised strokes associated with occult primary brain cancer and determined risk that ischaemic and haemorrhagic strokes are associated with occult primary brain cancer. PATIENTS AND METHODS: All patients with incident stroke in Denmark 2003-2015 were identified through the Danish Stroke Registry (n = 85,893) and matched 1:10 on age and sex to the Danish background population without a stroke history (n = 858,740). This cohort was linked to the Danish Cancer Registry and prevalence of occult primary brain cancer defined as the event of previously unknown primary brain cancer during a one-year follow-up was estimated. We used Cox regression models to study risk of occult primary brain cancer in comparison to the background population. RESULTS: Of 77,484 patients with ischaemic strokes, 39 (1 in 2000) were associated with primary brain cancer; of 8409 with haemorrhagic strokes, it was 126 (1 in 66). In the background cohort, 205 (1 in 4000) had occult primary brain cancer. The multivariate stroke risk factor analysis showed that patients with occult primary brain cancer differed significantly from those without occult primary brain cancer indicating they might have stroke mimics rather than true strokes.Discussion and conclusions: Strokes associated with occult primary brain cancer tend to be stroke mimics rather than true strokes. Primary brain cancer is rare in patients with ischaemic stroke (1 in 2000); risk that misdiagnosis results in maltreatment is, therefore, very low. Occult primary brain cancers are mainly found among patients with haemorrhagic stroke; they are not uncommon (1 in 66) and should always be kept in mind.

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