Death analysis of residents in an area of twenty kilometers around Qinshan nuclear power station

Objective: To set up a data bank for residents health condition 20 kilometers within around Qinshan nuclear power station. Methods: Combining with retrospective investigation, the relevant data were acquired from medical certification for resident's death reported by all local disease surveillance. Results: The mortality rate of these residents from 1988 to 1999 was 6.92%. The first course of mortality was diseases of respiratory system, the second of circulatory system, and the third was malignant tumor. The first 5 death causes among all male and female persons were diseases of respiratory system and circulatory system, malignant tumor, injuries and poisoning, diseases of digestive system. The mortality rate for malignant tumor was 121.33/100000 (the standard death rate is : 100.13/100000), and liver cancer was the first death cause, while lung and stomach cancers, the second and the third, respectively. The main death causes in juvenile and youth was leukemia, but liver cancer and lung cancer were the main courses of death in the middle-aged, and in old people, lung and liver cancers. Conclusion: The chronic non-infectious diseases in respiratory system, circulatory system etc, are the major death causes in the residents, the mortality rate for malignant tumor in them is lower than that reported by provincial disease surveillance station