1998年,在实施世界银行贷款结核病控制项目中,发现活动性肺结核患者333例,其中92例在院外误诊,误诊率为27.63%。现将其误诊原因分析如下。临床资料:本组男68例、女24例,年龄15～81岁;就诊至确诊时间均超过15天。92例中,初治涂阳61例,初治涂阴15例,复治涂阳16例。肺结核分型:型2 In 1998, 333 TB patients with active pulmonary tuberculosis were found in implementing the World Bank Loan TB Control Project, of which 92 were misdiagnosed outside the hospital, with a misdiagnosis rate of 27.63%. The reason for the misdiagnosis is as follows now. Clinical data: The group of 68 male and female 24 cases, aged 15 to 81 years; diagnosis to the diagnosis of more than 15 days. Of the 92 cases, 61 cases were smear-positive, 15 cases were smear-negative first, and 16 cases were smear-positive. Tuberculosis typing: type 2