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本文对铁道部工业总公司12个工厂(简称12个工厂)1977～1986年死亡的84例男性电焊工进行了死因的职业流行病学调查,结果表明,电焊工死亡原因中恶性肿瘤占首位;电焊工组与对照组恶性肿瘤的SPMR有非常显著的差异(P<0.01);电焊工组与对照组肝癌的SPMR有显著的差异(P<0.05);电焊工组与对照组肺癌的SPMR无显著性差异(P>0.05)。
In this paper, 84 cases of male welders who died in 1977 ~ 1986 in 12 factories (12 factories) of Ministry of Railways were investigated by occupational epidemiology. The results showed that malignant tumors were the first cause of death in electric welders. There was a significant difference (P <0.01) between SPMR of welder group and control group, SPMR of welder group and control group were significantly different (P <0.05), SPMR of welder group and control group Significant difference (P> 0.05).