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1926年Landsteiner和Levine发现人红细胞的P血型系后,P血型检验已是法医学上常用的亲权鉴定的方法之一。查清人群中血型分布频率,对于计算父权否定机率和肯定机率具有重要的参考意义。陶大林等首先报告了上海1619名献血员中有555人P_1阳性,占34.28％。其后,王志贤等报告辽宁地区500名献血员中有182人P_1阳性,频率为36.40％。1988年,作者对P血型在宁夏的不同民族、不同性别和不同地区健康人群中的自然分布频率进行了初步调查。现将部分结果简要报告如下。
After Landsteiner and Levine discovered the P-type of human erythrocytes in 1926, the P-type blood test was one of the most commonly used methods of paternity testing in forensic medicine. To find out the frequency of blood group distribution in the population has important reference meaning for calculating the negative probability and positive probability of paternity. Tao Dalin and others first reported that 555 of 1619 blood donors in Shanghai were P_1 positive, accounting for 34.28%. Since then, Wang Zhixian and other reports of Liaoning Province, 500 blood donors in 182 P_1 positive frequency of 36.40%. In 1988, the authors conducted a preliminary investigation of the natural frequency of P blood group in healthy population of different nationalities, genders and different regions in Ningxia. Now some of the results are briefly reported below.