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通过对某木材厂1972～1987年男工死亡材料的分析,发现该厂男工恶性肿瘤减寿高峰在45岁年龄组段,比当地居民早死10年。高浓度接尘组中(木工和机木工),恶性肿瘤标化减寿比为1.30,P<0.01;标化减寿率比为1.87,P<0.01,显著高于当地居民。而低浓度和非接尘组中,恶性肿瘤的标化减寿比和标化减寿率比未见升高。研究结果提示,长期接触高浓度木尘的工人,受恶性肿瘤的危害较严重。
By analyzing the death of a male worker from 1972 to 1987 in a lumber mill, it was found that the peak of the life expectancy of male malignant tumor in the factory was 45 years old in the age group and was premature 10 years earlier than the local residents. In the high-density dust-pick group (carpentry and woodworking), the standardized life expectancy of malignant tumors was 1.30, P <0.01; the standardized rate of longevity was 1.87, P <0.01, which was significantly higher than that of local residents. The low concentration and non-dusting group, the standardization of life expectancy and standardized longevity rate of malignancy no increase. The results suggest that workers exposed to long-term exposure to high levels of wood dust are harmed more by malignant tumors.