Abstract
The epidemiological patterns of cancer incidence have been investigated widely in western countries. Nevertheless, information is quite limited in Jiangxi province, southern China. All data were reported by 6 population-based cancer registries in Jiangxi Province. The results were presented as incidence rates of cases by site (ICD-10), sex, crude rate (CR), age-standardized rates (ASRs) and truncated incidence rate (TR) per 100,000 person-years, using the direct method of standardization to the world population. 8,765 new cancer cases were registered in our study during the period 2009-2011. Diagnosis of cancer was based on histopathology in 61.0%, clinical or radiology findings in 4.87% and death certificate only (DCO) in 3.0% of the cases. The median age at diagnosis was 62.0 years (mean, 61; standard deviation, 15). The ASRs were 170.8 per 100,000 for men and 111.2 for women. The ASRs for all invasive cancers from the urban areas (145.7 per 100,000) was higher than that of rural areas (137.1). Incidence rates for lung cancer were higher in rural (35.8) than in urban areas (27.0). Similarly, relatively high rates were observed for stomach cancer in rural (20.1) relative to urban areas (15.5). Our results reveal that the most common cancers were breast and lung in women and lung and liver in men. Interestingly, this study suggested a higher incidence rates for lung and stomach cancer in rural males than in urban population, which may suggest other potential causes, such as over-consumption of smoked meats and high prevalence of Helicobacter pylori infection, respectively. Public education and the promotion of healthy lifestyles should be actively carried out.
Highlights
Cancer has become a major source of morbidity and mortality globally (Sylla and Wild, 2012)
Diagnosis of cancer was based on histopathology in 60.98%, clinical or radiology findings in 4.87% and death certificate only (DCO) in 3.0% of the cases
Cancer registry is an important source of information for cancer control since it provides population-based incidence, death and survival information
Summary
Cancer has become a major source of morbidity and mortality globally (Sylla and Wild, 2012). The World Health Organization (WHO) estimated that more than 1 million new cases of cancer will be diagnosed in China by 2025. There was little information on the incidence of cancer in Jiangxi province. We present estimates of cancer incidence based on data from 6 population-based cancer registries in Jiangxi province. Materials and Methods: All data were reported by 6 population-based cancer registries in Jiangxi Province. Incidence rates for lung cancer were higher in rural (35.8) than in urban areas (27.0). This study suggested a higher incidence rates for lung and stomach cancer in rural males than in urban population, which may suggest other potential causes, such as over-consumption of smoked meats and high prevalence of Helicobacter pylori infection, respectively. Public education and the promotion of healthy lifestyles should be actively carried out
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