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1.
Cancers (Basel) ; 15(24)2023 Dec 18.
Artigo em Inglês | MEDLINE | ID: mdl-38136432

RESUMO

BACKGROUND: Central nervous system (CNS) neoplasms are highly frequent solid tumours in children and adolescents. While some studies have shown a rise in their incidence in Europe, others have not. Survival remains limited. We addressed two questions about these tumours in Spain: (1) Is incidence increasing? and (2) Has survival improved? METHODS: This population-based study included 1635 children and 328 adolescents from 11 population-based cancer registries with International Classification of Childhood Cancer Group III tumours, incident in 1983-2007. Age-specific and age-standardised (world population) incidence rates (ASRws) were calculated. Incidence time trends were characterised using annual percent change (APC) obtained with Joinpoint. Cases from 1991 to 2005 (1171) were included in Kaplan-Meier survival analyses, and the results were evaluated with log-rank and log-rank for trend tests. Children's survival was age-standardised using: (1) the age distribution of cases and the corresponding trends assessed with Joinpoint; and (2) European weights for comparison with Europe. RESULTS: ASRw 1983-2007: children: 32.7 cases/106; adolescents: 23.5 cases/106. The overall incidence of all tumours increased across 1983-2007 in children and adolescents. Considering change points, the APCs were: (1) children: 1983-1993, 4.3%^ (1.1; 7.7); 1993-2007, -0.2% (-1.9; 1.6); (2) adolescents: 1983-2004: 2.9%^ (0.9; 4.9); 2004-2007: -7.7% (-40; 41.9). For malignant tumours, the trends were not significant. 5-year survival was 65% (1991-2005), with no significant trends (except for non-malignant tumours). CONCLUSIONS: CNS tumour incidence in Spain was found to be similar to that in Europe. Rises in incidence may be mostly attributable to changes in the registration of non-malignant tumours. The overall malignant CNS tumour trend was compatible with reports for Southern Europe. Survival was lower than in Europe, without improvement over time. We provide a baseline for assessing current paediatric oncology achievements and incidence in respect of childhood and adolescent CNS tumours.

2.
BMC Public Health ; 16: 663, 2016 07 29.
Artigo em Inglês | MEDLINE | ID: mdl-27473140

RESUMO

BACKGROUND: In Spain, several ecological studies have analyzed trends in socioeconomic inequalities in mortality from all causes in urban areas over time. However, the results of these studies are quite heterogeneous finding, in general, that inequalities decreased, or remained stable. Therefore, the objectives of this study are: (1) to identify trends in geographical inequalities in all-cause mortality in the census tracts of 33 Spanish cities between the two periods 1996-1998 and 2005-2007; (2) to analyse trends in the relationship between these geographical inequalities and socioeconomic deprivation; and (3) to obtain an overall measure which summarises the relationship found in each one of the cities and to analyse its variation over time. METHODS: Ecological study of trends with 2 cross-sectional cuts, corresponding to two periods of analysis: 1996-1998 and 2005-2007. Units of analysis were census tracts of the 33 Spanish cities. A deprivation index calculated for each census tracts in all cities was included as a covariate. A Bayesian hierarchical model was used to estimate smoothed Standardized Mortality Ratios (sSMR) by each census tract and period. The geographical distribution of these sSMR was represented using maps of septiles. In addition, two different Bayesian hierarchical models were used to measure the association between all-cause mortality and the deprivation index in each city and period, and by sex: (1) including the association as a fixed effect for each city; (2) including the association as random effects. In both models the data spatial structure can be controlled within each city. The association in each city was measured using relative risks (RR) and their 95 % credible intervals (95 % CI). RESULTS: For most cities and in both sexes, mortality rates decline over time. For women, the mortality and deprivation patterns are similar in the first period, while in the second they are different for most cities. For men, RRs remain stable over time in 29 cities, in 3 diminish and in 1 increase. For women, in 30 cities, a non-significant change over time in RR is observed. However, in 4 cities RR diminishes. In overall terms, inequalities decrease (with a probability of 0.9) in both men (RR = 1.13, 95 % CI = 1.12-1.15 in the 1st period; RR = 1.11, 95 % CI = 1.09-1.13 in the 2nd period) and women (RR = 1.07, 95 % CI = 1.05-1.08 in the 1st period; RR = 1.04, 95 % CI = 1.02-1.06 in the 2nd period). CONCLUSIONS: In the future, it is important to conduct further trend studies, allowing to monitoring trends in socioeconomic inequalities in mortality and to identify (among other things) temporal factors that may influence these inequalities.


Assuntos
Disparidades nos Níveis de Saúde , Mortalidade/tendências , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Teorema de Bayes , Censos , Criança , Pré-Escolar , Cidades , Estudos Transversais , Demografia , Feminino , Humanos , Lactente , Recém-Nascido , Masculino , Pessoa de Meia-Idade , Fatores de Risco , Fatores Socioeconômicos , Espanha/epidemiologia , Saúde da População Urbana/tendências , Adulto Jovem
3.
Int J Equity Health ; 14: 33, 2015 Apr 01.
Artigo em Inglês | MEDLINE | ID: mdl-25879739

RESUMO

BACKGROUND: Preventable mortality is a good indicator of possible problems to be investigated in the primary prevention chain, making it also a useful tool with which to evaluate health policies particularly public health policies. This study describes inequalities in preventable avoidable mortality in relation to socioeconomic status in small urban areas of thirty three Spanish cities, and analyses their evolution over the course of the periods 1996-2001 and 2002-2007. METHODS: We analysed census tracts and all deaths occurring in the population residing in these cities from 1996 to 2007 were taken into account. The causes included in the study were lung cancer, cirrhosis, AIDS/HIV, motor vehicle traffic accidents injuries, suicide and homicide. The census tracts were classified into three groups, according their socioeconomic level. To analyse inequalities in mortality risks between the highest and lowest socioeconomic levels and over different periods, for each city and separating by sex, Poisson regression were used. RESULTS: Preventable avoidable mortality made a significant contribution to general mortality (around 7.5%, higher among men), having decreased over time in men (12.7 in 1996-2001 and 10.9 in 2002-2007), though not so clearly among women (3.3% in 1996-2001 and 2.9% in 2002-2007). It has been observed in men that the risks of death are higher in areas of greater deprivation, and that these excesses have not modified over time. The result in women is different and differences in mortality risks by socioeconomic level could not be established in many cities. CONCLUSIONS: Preventable mortality decreased between the 1996-2001 and 2002-2007 periods, more markedly in men than in women. There were socioeconomic inequalities in mortality in most cities analysed, associating a higher risk of death with higher levels of deprivation. Inequalities have remained over the two periods analysed. This study makes it possible to identify those areas where excess preventable mortality was associated with more deprived zones. It is in these deprived zones where actions to reduce and monitor health inequalities should be put into place. Primary healthcare may play an important role in this process.


Assuntos
Disparidades nos Níveis de Saúde , Mortalidade/tendências , Saúde da População Urbana/tendências , Adolescente , Adulto , Idoso , Causas de Morte/tendências , Censos , Criança , Pré-Escolar , Cidades , Feminino , Humanos , Lactente , Masculino , Pessoa de Meia-Idade , Distribuição por Sexo , Fatores Socioeconômicos , Espanha/epidemiologia , Adulto Jovem
4.
J Urban Health ; 91(1): 46-61, 2014 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-23564269

RESUMO

The aim of this study was to analyze the evolution of socioeconomic inequalities in mortality due to ischemic heart diseases (IHD) in the census tracts of nine Spanish cities between the periods 1996-2001 and 2002-2007. Among women, there are socioeconomic inequalities in IHD mortality in the first period which tended to remain stable or even increase in the second period in most of the cities. Among men, in general, no socioeconomic inequalities have been detected for this cause in either of the periods. These results highlight the importance of intra-urban inequalities in mortality due to IHD and their evolution over time.


Assuntos
Disparidades nos Níveis de Saúde , Isquemia Miocárdica/mortalidade , Fatores Socioeconômicos , Adulto , Análise de Variância , Estudos Transversais , Feminino , Humanos , Masculino , Classe Social , Espanha
5.
BMC Public Health ; 13: 480, 2013 May 16.
Artigo em Inglês | MEDLINE | ID: mdl-23679869

RESUMO

BACKGROUND: The relationship between deprivation and mortality in urban settings is well established. This relationship has been found for several causes of death in Spanish cities in independent analyses (the MEDEA project). However, no joint analysis which pools the strength of this relationship across several cities has ever been undertaken. Such an analysis would determine, if appropriate, a joint relationship by linking the associations found. METHODS: A pooled cross-sectional analysis of the data from the MEDEA project has been carried out for each of the causes of death studied. Specifically, a meta-analysis has been carried out to pool the relative risks in eleven Spanish cities. Different deprivation-mortality relationships across the cities are considered in the analysis (fixed and random effects models). The size of the cities is also considered as a possible factor explaining differences between cities. RESULTS: Twenty studies have been carried out for different combinations of sex and causes of death. For nine of them (men: prostate cancer, diabetes, mental illnesses, Alzheimer's disease, cerebrovascular disease; women: diabetes, mental illnesses, respiratory diseases, cirrhosis) no differences were found between cities in the effect of deprivation on mortality; in four cases (men: respiratory diseases, all causes of mortality; women: breast cancer, Alzheimer's disease) differences not associated with the size of the city have been determined; in two cases (men: cirrhosis; women: lung cancer) differences strictly linked to the size of the city have been determined, and in five cases (men: lung cancer, ischaemic heart disease; women: ischaemic heart disease, cerebrovascular diseases, all causes of mortality) both kinds of differences have been found. Except for lung cancer in women, every significant relationship between deprivation and mortality goes in the same direction: deprivation increases mortality. Variability in the relative risks across cities was found for general mortality for both sexes. CONCLUSIONS: This study provides a general overview of the relationship between deprivation and mortality for a sample of large Spanish cities combined. This joint study allows the exploration of and, if appropriate, the quantification of the variability in that relationship for the set of cities considered.


Assuntos
Cidades/estatística & dados numéricos , Disparidades nos Níveis de Saúde , Mortalidade/tendências , Carência Psicossocial , Doença Crônica/epidemiologia , Estudos Transversais , Feminino , Humanos , Masculino , Fatores Socioeconômicos , Espanha/epidemiologia , População Urbana
6.
Gastric Cancer ; 16(2): 245-53, 2013 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-22806416

RESUMO

BACKGROUND: Socioeconomic status (SES) and rural factors have been shown to be associated with gastric cancer epidemiology. The aim of this study was to identify geographical variations in gastric cancer incidence in Zaragoza province (Spain) during the period 1993-2002, and their association with SES and rural factors. METHODS: Incident cases were extracted from the population-based Zaragoza Cancer Registry. The geographical analysis unit was the census tract (CT) in Zaragoza city (N = 462) and the municipalities for the rest of the province (N = 292). Four indexes were applied: two deprivation and two rurality indexes, included in a Bayesian risk model discretized in quartiles. Standardized incidence ratios (SIRs) were calculated using the incidence rates in Spain. SIRs were adjusted by a Bayesian generalized linear mixed model (GLMM). RESULTS: From 1993 to 2002, 1,309 cases of gastric cancer were registered in Zaragoza city and 578 in the rest of the province. High risk was observed in CTs for the peripheral areas of the city. The incidence risk in men was 2 (95 % confidence interval [CI] 1.22-2.98) times higher in the most deprived CTs compared with the least deprived CTs, but no statistically significant differences were found in women. Municipalities with higher risk were observed in the north of the province, but no significant association was found with SES. Regarding the rurality index, a positive trend was observed in women, but it was statistically significant only for the most rural quartile (2.49, 95 % CI 1.07-4.92). CONCLUSIONS: Geographical differences in gastric cancer incidence were detected. Although these differences could be partially explained by the deprivation index for men in Zaragoza city, deprivation index cannot explain geographical differences for women. In the rest of the province, the rurality index 1991 could explain, at least for women, geographical differences. It is still necessary to develop a deprivation index suitable for small municipalities.


Assuntos
Classe Social , Neoplasias Gástricas/epidemiologia , Teorema de Bayes , Feminino , Humanos , Masculino , Saúde da População Rural , População Rural , Fatores Socioeconômicos , Espanha/epidemiologia
7.
Accid Anal Prev ; 43(5): 1802-10, 2011 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-21658508

RESUMO

OBJECTIVES: To analyse socio-economic inequalities in mortality due to injuries among census tracts of ten Spanish cities by sex and age in the period 1996-2003. METHODS: This is a cross-sectional ecological study where the units of analysis are census tracts. The study population consisted of people residing in the cities during the period 1996-2003. For each census tract we obtained an index of socio-economic deprivation, and estimated standardized mortality ratios using hierarchical Bayesian models which take into account the spatial structure of the data. RESULTS: In the majority of the cities, the geographical pattern of total mortality from injuries is similar to that of the socio-economic deprivation index. There is an association between mortality due to injuries and the deprivation index in the majority of the cities which is more important among men and among those younger than 45 years. In these groups, traffic injuries and overdoses are the causes most often associated with deprivation in the cities. The percentage of excess mortality from injuries related to socio-economic deprivation is higher than 20% in the majority of the cities, the cause with the highest percentage being drug overdose. CONCLUSIONS: In most cities, there are socio-economic inequalities in mortality due to overdose and traffic injuries. In contrast, few cities have found association between suicide mortality and deprivation. Finally, no association was found between deprivation and deaths due to falls. Inequalities are higher in men and those under 45 years of age. These results highlight the importance of intra-urban inequalities in mortality due to injuries.


Assuntos
Ferimentos e Lesões/mortalidade , Adolescente , Adulto , Teorema de Bayes , Causas de Morte , Censos , Cidades/epidemiologia , Estudos Transversais , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Modelos Estatísticos , Áreas de Pobreza , Características de Residência , Fatores Socioeconômicos , Espanha/epidemiologia , Saúde da População Urbana , Ferimentos e Lesões/etiologia , Adulto Jovem
8.
Int J Health Geogr ; 10: 6, 2011 Jan 13.
Artigo em Inglês | MEDLINE | ID: mdl-21232096

RESUMO

BACKGROUND: Intra-urban inequalities in mortality have been infrequently analysed in European contexts. The aim of the present study was to analyse patterns of cancer mortality and their relationship with socioeconomic deprivation in small areas in 11 Spanish cities. METHODS: It is a cross-sectional ecological design using mortality data (years 1996-2003). Units of analysis were the census tracts. A deprivation index was calculated for each census tract. In order to control the variability in estimating the risk of dying we used Bayesian models. We present the RR of the census tract with the highest deprivation vs. the census tract with the lowest deprivation. RESULTS: In the case of men, socioeconomic inequalities are observed in total cancer mortality in all cities, except in Castellon, Cordoba and Vigo, while Barcelona (RR = 1.53 95%CI 1.42-1.67), Madrid (RR = 1.57 95%CI 1.49-1.65) and Seville (RR = 1.53 95%CI 1.36-1.74) present the greatest inequalities. In general Barcelona and Madrid, present inequalities for most types of cancer. Among women for total cancer mortality, inequalities have only been found in Barcelona and Zaragoza. The excess number of cancer deaths due to socioeconomic deprivation was 16,413 for men and 1,142 for women. CONCLUSION: This study has analysed inequalities in cancer mortality in small areas of cities in Spain, not only relating this mortality with socioeconomic deprivation, but also calculating the excess mortality which may be attributed to such deprivation. This knowledge is particularly useful to determine which geographical areas in each city need intersectorial policies in order to promote a healthy environment.


Assuntos
Teorema de Bayes , Disparidades nos Níveis de Saúde , Neoplasias/mortalidade , População Urbana/estatística & dados numéricos , Intervalos de Confiança , Estudos Transversais , Feminino , Geografia , Humanos , Masculino , Neoplasias/economia , Neoplasias/epidemiologia , Pobreza , Risco , Medição de Risco , Fatores Socioeconômicos , Espanha/epidemiologia
9.
Rev Esp Salud Publica ; 80(2): 139-55, 2006.
Artigo em Espanhol | MEDLINE | ID: mdl-16719023

RESUMO

BACKGROUND: Many studies have proposed Avoidable Mortality (ME) to monitor the performance of health services although its usefulness is limited by the multiplicity of the avoidable mortality lists being used. Time trends from 1986-2001 and the geographical distribution of avoidable mortality by provinces, are presented for Spain. METHODS: An Avoidable Mortality consensus list is being used. It includes avoidable mortality through the intervention of health services (ISAS in Spanish) and through health policy interventions (IPSI in Spanish). Time trends are analyzed adjusting Poisson or Joinpoint regression models and the annual percentages of change (APC) are estimated. Changes in geographical distribution between the first half of the analysed period and the second are tested by means of standard mortality ratios (SMR) and comparative mortality rates (CMR) for each province. RESULTS: Between 1986 and 2001 avoidable mortality decreased (APC: -1.68; CI: -1.99 and -1.38) slightly more than non-avoidable mortality (APC: -1.28; CI: -1.40 and -1.17). Higher reduction was observed for ISAS mortality (APC: -2.77; CI: -2.89 and -2.65) and an irregular trend for IPSI (between 1986-1990 increase APC: 4.86; CI: 3.32 and 6.41, between 1990-95 stabilization APC: -0.03; CI: -2.32 and 2.31 and finally 1995-2001 decrease APC: -3.57; CI: -4.72 and -2.40). CONCLUSIONS: Avoidable mortality decreased more than non avoidable mortality and important geographical variability can be observed among provinces which should be monitored in order to identify the health services weaknesses. The higher ISAS mortality was observed in southern provinces and the higher IPSI mortality in some areas on the coast. The pattern is somewhat similar for both analyzed periods.


Assuntos
Mortalidade/tendências , Avaliação de Processos e Resultados em Cuidados de Saúde , Adolescente , Adulto , Idoso , Criança , Pré-Escolar , Feminino , Humanos , Lactente , Masculino , Pessoa de Meia-Idade , Espanha/epidemiologia , Fatores de Tempo
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