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Table 4 Allele frequencies of RhD negative alleles

From: Molecular and computational analysis of 45 samples with a serologic weak D phenotype detected among 132,479 blood donors in northeast China

Genetically tested RHD negative Sample number RHD neg RHD 1227A RHD 1166delA RHD-Ce (2-9)-D RHD 711delC
RHD neg/RHD neg 78 156     
RHD neg/RHD 1227A 24 24 24    
RHD 1227A/RHD 1227A 3   6    
RHD 1227A/RHD 1166delA 1   1 1   
RHD neg/RHD-Ce (2-9)-D 7 7    7  
RHD-Ce (2-9)-D/RHD-Ce (2-9)-D 2     4  
RHD neg/RHD 711delC 2 2     2
Totals 117 189 31 1 11 2
Allele frequency   0.04937 0.00810 0.00026 0.00287 0.00052