观察对象为我厂氯乙烯岗位的作业人员113人,其中男74人,平均年龄为31.9岁,平均接触工龄8.3年,女39人,平均年龄27.3岁,接触工龄平均5.8年。另选健康成人150人作为对照组,其中男性79人,平均年龄32.1岁,女性71人,平均年龄28.3岁。在接触组113人中,甲皱微循环有异常改变者25人,占22,1％,而对照组150人中,有 The object of observation was 113 workers in our factory, of which 74 were males, with an average age of 31.9 years. The average working age was 8.3 years, 39 were females, with an average age of 27.3 years and an average of 5.8 years of working experience. Another 150 healthy adults as a control group, of which 79 were males, mean age 32.1 years, 71 females, with an average age of 28.3 years. In the contact group of 113 people, nail fold microcirculation abnormal changes in 25, accounting for 22,1%, while the control group of 150 people, there