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对１９９８ 年河南省资料完整的３３ 个项目县有关病人发现的登记资料作逐步回归分析，查找影响初治涂阳肺结核病例发现的因素，结果显示：可疑肺结核新登记率及可疑肺结核初诊三次查痰率与初治涂阳肺结核新登记率存在线性回归关系（ Ｐ＜ ０ ．０１） ，其中前者的影响最大（ Ｐ＜ ０ ．００１） 。在查痰率稳定不变时，可疑病人新登记率每增加１／１０ 万则初治涂阳肺结核发现率增加０ ．０３０５／１０ 万。痰涂片制作质量、痰涂片镜检结果室间质控阴阳性符合率与初治涂阳肺结核新登记率无明显相关性（ Ｐ＞ ０ ．０５） 。
Stepwise regression analysis was conducted on the registration data found in 33 county-level counties in Henan Province in 1998 to find out the factors influencing the detection of newly diagnosed smear-positive pulmonary tuberculosis cases. The results showed that the newly registered suspicious TB rate and suspected sputum of newly diagnosed pulmonary tuberculosis There was a linear regression relationship between the rate of newly registered smear-positive pulmonary tuberculosis and newly registered smear-positive pulmonary tuberculosis (P <0.01), of which the former had the most significant impact (P <0 .001). At a steady sputum rate, the detection rate of smear-positive pulmonary tuberculosis increased by 0 for every additional 1 million new cases of suspicious patients. 0305/10 million. Sputum smear production quality, sputum smear microscopy results between the negative control of positive rate of smear-positive and new smear-positive pulmonary tuberculosis registration rate was not significantly correlated (P> 0.05).