For present, frequency of allelic gene of HLA can be judged by calculating the relative hazard factor.
目前可通过计算相对危险因子来判断HLA等位基因的频率。
HRR analysis did not show a significant difference in the allelic(A and G) frequency of PLA2G4A gene between transmit and untransmit(P>0.05);
单倍型相对风险分析（HRR）结果显示，传递和未传递的等位基因A、G的频数分布病例组与对照组比较差异无显著性（P>0.05）；
Results: There was no significant difference in the allelic frequency of the DAT gene polymorphism between sporadic PD patients and unrelated-control subjects.
结果：研究结果指出在帕金森氏病患者和对照者之间的对偶基因频率并没有明显的差异性。
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