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

Table 3 DEL phenotype in serologic RhD-negative Han by adsorption-elution method

Regions	Province/city	RhD-negative individuals (n)	Adsorption-elution (n)		DEL phenotype frequency^a	References
		RhD-negative individuals (n)	Negative	Positive	DEL phenotype frequency^a	References
Eastern China	Shanghai	1585	1306	279	17.6%	[28]
	Shanghai	441	369	72	16.3%	[39]
	Shandong	74	52	22	29.7%	[40]
Northeastern China	Heilongjiang	374	312	62	16.6%	[41]
Southeastern China	Zhejiang, Jiangsu	643	488	155	24.1%	[42]
	Jiangsu, Guangdong, Guangxi	165	124	41	24.8%	[29]
	Guangdong	102	76	26	25.5%	[17]
Central China	Anhui	808	630	178	22.0%	[30]
	Anhui	515	373	142	27.6%	[43]
	Anhui	155	124	31	20.0%	[18]
	Henan	106	78	28	26.4%	[31]
Hong Kong	N/A	465	329	136	29.2%	[34]
Taiwan	N/A	395	269	126	31.9%	[44]
	N/A	294	200	94	32.0%	[45]
	N/A	230	155	75	32.6%	[46]
	N/A	118	80	38	32.2%	[47]
Total	N/A	6470	4965	1505	23.3%	N/A

N/A not applicable
^aDEL phenotype frequency among RhD-negative Han individuals: 25.5% ± 5.5% (mean ± SD) for the 16 studies, 16.3–32.6% (range)

ISSN: 1479-5876