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

Table 2 Prevalence of RhD-negative in Han

Regions	Province/city	Subjects		RhD-negative		References
Regions	Province/city	n	Type	n	Frequency^a	References
Eastern China	Shanghai	400,253	Donor	1585	0.40%	[28]
Southeastern China	Guangdong	41,905	Donor	102	0.24%	[17]
Southeastern China	Jiangsu, Guangdong, Guangxi	42,306	Patient	165	0.39%	[29]
Central China	Anhui	313,250	Patient	808	0.26%	[30]
	Anhui	30,799	Donor	155	0.50%	[18]
	Henan	38,526	Donor	106	0.28%	[31]
Western China	Shanxi	890,403	Donor	2385	0.27%	[32, 33]^b
Hong Kong	N/A	172,222	Donor	465	0.27%	[34]
Total	N/A	1,929,664	N/A	5771	0.30%	N/A

N/A not applicable
^aRhD-negative frequency among Han: 0.33% ± 0.09% (mean ± SD) for the 8 studies, 0.24–0.50% (range)
^bSame dataset published in Chinese [32] and English [33]

ISSN: 1479-5876