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1资料与方法我们根据本矿265例煤工尘肺患者的档案资料，填写全国尘肺流行病学调查的“尘肺病例卡片”，并进行统计学处理。2结果2．1煤工尘肺期别及工种分布265例中，I期148例，占55．8％；1期54例，占20．4％；皿期63例，占23．8％。工种分布主要在掘进和采掘。2．2发病年龄
1 Materials and Methods According to the archives of 265 cases of coal miners and pneumoconiosis patients in this mine, we filled in the “pneumoconiosis case card” of the national pneumoconiosis survey and conducted statistical analysis. 2 Results 2.1 pneumoconiosis pneumoconiosis and the distribution of 265 cases, I 148 cases, accounting for 55.8%; a 54 cases, accounting for 20.4%; 63 cases of pancreas, accounting for 23.8%. The main types of work in the tunneling and mining. 2.2 age of onset