Abstract
Introduction Cancer has been the second cause of death in Cuba since 1958. The National Cancer Registry (NCR) and the National Statistics Division of the Ministry of Public Health provide incidence, mortality and other relevant epidemiological data on the disease, as a basis for analysis and decision-making in public health planning for cancer control. Objectives Describe trends in incidence and mortality of cancer in Cuba overall and by sex since 1990, and analyze the most current 3-year data for frequent types and risk of developing and dying from cancer, by age group, sex, site, and province. Methods Cancer incidence and mortality were described using age-adjusted rates based on standard world population for 1990-2003 and 1990-2007, respectively. Crude and age-adjusted rates were calculated for the most common sites (excluding nonmelanoma skin cancer) by sex using the latest 3-year incidence data available (2001-2003) from the National Cancer Registry and mortality data (2005-2007) from the National Statistics Division of the Ministry of Public Health. To compare risk of developing and dying from cancer among Cuban provinces, age-adjusted rates were distributed in quartiles. Results Cancer incidence and mortality have increased in both sexes since 1990. In 2001-2003, an average of 23,710 new cancer cases were diagnosed annually (excluding nonmelanoma skin cancer), and the average annual risk of developing cancer was 216.5 per 100,000 population for men and 204.0 per 100,000 population for women. Between 2005 and 2007, there were 19,671 average annual deaths from cancer in Cuba. The risk of developing and dying from cancer varies by age group and by geographic location but was highest in Havana City province. The sites with highest incidence and mortality were lung, female breast, prostate, colon, and uterine cervix. Conclusions Cancer incidence and mortality are increasing in Cuba, and the differences by site, age, sex and geographical distribution analyzed in this article, as well as recommended further research, should serve to inform adoption and implementation of more effective strategies for the Ministry of Public Health's national Comprehensive Cancer Control Program.
Highlights
Cancer has been the second cause of death in Cuba since 1958
Cancer incidence and mortality are increasing in Cuba, and the differences by site, age, sex and geographical distribution analyzed in this article, as well as recommended further research, should serve to inform adoption and implementation of more effective strategies for the Ministry of Public Health’s national Comprehensive Cancer Control Program
Population data for the 1990–2007 series were obtained from the National Statistics Bureau (ONE, its Spanish acronym); cancer incidence data by sex were obtained from 1990 to 2003 from the National Cancer Registry, and mortality data by sex from 1990 to 2007 from the Ministry of Public Health’s National Statistics Division
Summary
Cancer has been the second cause of death in Cuba since 1958. The National Cancer Registry (NCR) and the National Statistics Division of the Ministry of Public Health provide incidence, mortality and other relevant epidemiological data on the disease, as a basis for analysis and decision-making in public health planning for cancer control. Cancer is a serious global health problem that is expected to grow rapidly in the few years, due mainly to aging populations in many countries, adoption of unhealthy lifestyles and environmental carcinogens, among other factors.[1] According to the International Agency for Research on Cancer (IARC), in 2002, an estimated 11 million people were diagnosed with cancer and 7 million died from malignant disease.[2] By 2020, it is predicted that the majority of 16 million new cancer cases and 12 million cancer deaths will occur in developing countries, which lack adequate resources to confront this growing health problem.[2,3,4]. In Cuba, cancer is the leading cause of death in the population aged 1–64 years, and the second cause of death after cardiovascular diseases in the population aged ≥65 years. Differences in distribution of cancer types between industrialized and developing countries are similar to the differences between socio-economic groups in industrialized nations.[8,9] In developing countries, the most frequent cancers are associated with viruses and infectious diseases;[9] risk factors such as smoking, obesity, unhealthy diets and lack of physical exercise, are increasing in these countries.[9,10]
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