According to the date obtained the mortality from various diseases of silicotics were calculated and compared with agespecificdeathrate of local residents using SMR as index.
计算矽肺患者各类疾病死亡率，与当地居民的年龄别死亡率进行比较，计算标化死亡比；
2
The changing trend of 5 models and the effect of 5 death causes on age - specificdeathrate model are also discussed and analysed.