Death and potential years of life lost of residents living in Yubei District of Chongqing City in 2012: an analysis on the main causes

Objective To understand the main causes of death and the potential years of life lost(PYLL)of residents living in Yubei District of Chongqing,so as to provide evidence for disease control and health promotion.Methods The data of the death cases were classified according to ICD-10 method and were subjected to analysis by DeathReg2005 software.The characteristics of death of our population were analyzed using the following parameters:the crude mortality,proportions of death due to different reasons,order of death causes and the PYLL,etc.Results The crude death rate of residents in our study was 605.02 per 100 000 in 2012,with the standardized death rate being 440.72 per 100 000;and the mortality was higher in males than in females(χ2=227.87,P0.001).The top five causes of deaths in order were:circular system diseases,malignant tumors,respiratory system diseases,injury and poisoning,and digestive system diseases;these 5causes contributed to 95.15%of all death causes.The top six causes of PYLL in order were:malignant tumors,injury and poisoning,circular system diseases,respiratory system diseases,perinatal system diseases,and digestive system diseases.The main causes of death among different ages have their own characteristics.Conclusion The predominant causes of death among residents in our study include chronic non-infectious diseases(circular system diseases and malignant tumors);injuries and poisoning,especially death due to traffic accident,are the major causes among young adults.Appropriate preventive and interventional measures should be taken based on the death causes of residents.