近年来,我市肺结核发病率呈上升趋势,发病率在1998年全市法定传染病发病率排序中占第4位,为了解我市饮服从业人员肺结核发病情况,以便为预防性健康检查提供依据,我们对1994年至1998年合肥地区饮服行业67328名新、老从业人员的X线胸透情况进行了统计分析。1　材料与方法　　材料 In recent years, the incidence of tuberculosis in our city is on the rise, the incidence rate in 1998 the city ranked the fourth in the incidence of notifiable infectious diseases, in order to understand the incidence of tuberculosis practitioners in our city in order to provide a basis for preventive health checks , We conducted a statistical analysis of X-ray chest X-ray findings of 67,328 new and old employees from 1994 to 1998 in the catering industry in Hefei. 1 Materials and Methods Materials