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选取96名环卫工人,按性别、是否吸烟分为4组,同时选取该地区健康人群为对照组。在环卫工人组中,肺功能FVC、FEV_(1.0)、PEF_(50%)、PEF_(75%)、MMEF指标异常率与对照组比较,差异均具有统计学意义(P<0.05)。吸烟者中,PEF_(50%)、PEF_(75%)、MMEF的异常率显著高于非吸烟者(P<0.05)。表明环卫工作和吸烟可造成工人小气道损伤。
Select 96 sanitation workers, by sex, whether smoking is divided into 4 groups, and select the healthy population in the region as the control group. In the sanitation workers group, the differences of FVC, FEV_ (1.0), PEF_ (50%), PEF_ (75%) and MMEF index between the two groups were statistically significant (P <0.05). Among smokers, the abnormal rates of PEF 50%, PEF 75% and MMEF were significantly higher than those of non-smokers (P 0.05). That sanitation and smoking can cause small airway injury workers.