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以827例从事铬作业的工人为观察组,1206例不接触铬及其他能引起鼻部损害化学物的工人为对照组,由专科医师对两组工人鼻腔进行检查。结果表明鼻黏膜糜烂是铬鼻病早期较特异的体征;观察组鼻黏膜糜烂阳性率(33.01%),对照组鼻黏膜糜烂阳性率(10.12%),以不同糜烂面积为诊断起点计算灵敏度、特异度及Youden指数,得出鼻黏膜糜烂累计面积≥4 mm2时为铬鼻病诊断起点。
Taking 827 workers working in chromium as the observation group and 1206 workers not touching the chromium and other chemicals that can cause nasal damage as the control group, specialists examined the nasal cavity of two groups of workers. The results showed that the erosion of nasal mucosa was the early specific sign of choriocarcinoma. In the observation group, the positive rate of nasal mucosal erosion (33.01%) and the positive rate of nasal mucosal erosion (10.12%) in the control group were calculated with different erosion areas as the diagnostic starting point, Degrees and Youden index, come to the cumulative area of nasal mucosa erosion ≥ 4 mm2 for the diagnosis of chromium nasal disease starting point.