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本文采用国产721型、751型分光光度计测定健康妇女150例早孕绒毛GPD活力。正常值分别为:直接法X=11.53±3.43;NBT法X=10.73±2.13。结果表明,GPD直接测定法和四氮唑兰测定法,两法明显相关,tr值13.18,r值0.64,a值0,28,b值1.073,配对P<0.01,所以y=a+bX。通过换算,四氮唑兰法可以间接求得直接测定法的数值,这样可使目前尚无751型分光光度计的基层医疗单位,也可作此项试验,配合优生优育在产前诊断GPD缺乏症,给予临床提供一项生化指标。
In this paper, domestic 721 type, 751 spectrophotometer determination of healthy women 150 cases of GPD vitality of early pregnancy villi. The normal values were: direct method X = 11.53 ± 3.43; NBT method X = 10.73 ± 2.13. The results showed that there was a significant correlation between the GPD direct assay and the tetrazoline assay. The tr value was 13.18, the value of r was 0.64, the value of a was 0,28, the value of b was 1.073, and paired P <0.01, so y = a + bX. By conversion, the method of direct determination of tetrazoline blue method can be directly obtained, so that there is no 751 spectrophotometer primary health care units can also be used for this test, with prenatal and postnatal care with prenatal and postnatal diagnosis of GPD deficiency Disease, to provide a clinical biochemical indicators.