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用定透法和盐浮法对6647份粪样作肠道线虫卵的配对调查。所检粪样中有5265份是经过1～6次驱虫后虫卵偏少的粪便。两法累计查出的阳性粪样中,定透法对蛔虫卵的检出率为92.7％,高于盐浮的6(?).3％,对钩虫卵和鞭虫卵为60.9％和66.7％,分别低于盐浮法的88.0％和79.7％。在盐浮法查出钩虫阳鞭虫的 EPG 值分别<50和<40的阳性粪样中,定透法平均仅能分别检出41.1％和45.1％的阳性,而且所检漏的阳性样本数分别占其阳性检漏数的80.9％和88.1％。提出定透法单独用于肠道线虫病的疗效考核显然是不够理想的。
Matching survey of 6647 samples of feces by Enterobacteriaceae by fixed dialysis and salt floatation. Among the seized samples, 5265 were stool with less eggs after 1 to 6 deworming. In the positive fecal samples accumulated by the two methods, the detection rate of asparagus eggs was 92.7%, 6 (?). 3% higher than salt float, 60.9% for hookworm eggs and whipworm eggs 66.7%, respectively, lower than 88.0% and 79.7% of the floatation method. In the positive fecal samples with the EPG values of <50 and <40, respectively, detected by salt float method, only 41.1% and 45.1% of the positive samples were detected by the fixed dialysis method, and the number of positive samples Accounting for 80.9% and 88.1% of the positive number of leaks respectively. It is obviously not enough to put forward the efficacy test of Ding-Tou method alone for intestinal nematode disease.