Results:The main sequence of death causes was as follows: cancer, circulatory system disease, respiratory system disease, endocrine, nutritional and metabolic disease, genitourinary system disease.

• 主要死因顺位为肿瘤、循环系统疾病、呼吸系统疾病、内分泌营养代谢性疾病、泌尿生殖系统疾病。