According to the date obtained the mortality from various diseases of silicotics were calculated and compared with age specific death rate 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；

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The changing trend of 5 models and the effect of 5 death causes on age - specific death rate model are also discussed and analysed.

讨论并分析了5种模型的变化趋势及5种死因对人群年龄死亡模型的影响作用。

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