DEL in China: the D antigen among serologic RhD-negative individuals

Table 6 DEL phenotype and RHDDEL1* genotype in serologic RhD-negative individuals of ethnic groups in China

Ethnicity	Total RhD-negative individuals (n)	Methods						RHDDEL1* frequency among		DEL phenotype frequency	References
		Adsorption-elution		G1227A PCR-SSP		Sequencing		RHDDEL1* frequency among
		Neg	Pos	Neg	Pos	RHDDEL1*	Others	Adsorption-elution positive	Rh-negative
Han	N/A	N/A	N/A	N/A	N/A	N/A	N/A	96.7%^a	21.7%^b	23.3%^c	21 studies^d
Hui	12	10	2	0	2	2	0	100%	17%	17%	2 studies [20, 39]
Uyghur	127	124	3	0	3	3	0	100%	2.4%	2.4%	2 studies [20, 39]

N/A not applicable
^aSee Table 4
^bCalculation: (1193 + 31 + 563)/(5669 + 2558) × 100% = 21.7%, data from Tables 4 and 5
^cSee Table 3
^dSee Tables 3, 4 and 5. Data shown in this Table 6 for comparison

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