Frequencies and ethnic distribution of ABO and RhD blood groups in China: a population-based cross-sectional study by Min Liu, Jue Liu, Shikun Zhang, Qiaomei Wang, Haiping Shen, Yiping Zhang

“…We aimed to evaluate the distribution of ABO and RhD blood groups among Chinese ethnic groups.Design A population-based cross-sectional study.Setting Data on ABO groups and ethnicities were obtained from the National Free Preconception Health Examination Project (NFPHEP) with participants from 220 counties of 31 provinces in ChinaParticipants There were 3 832 034 participants aged 21–49 years who took part in the NFPHEP from January 2010 to December 2012 and were included in this study.Outcome Measures The proportion of ABO and RhD blood groups among different ethnic groups was calculated.Results ABO and RhD blood distribution was significantly different among nine ethnic groups (P<0.001). …”
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