Table 3.

Distribution of RhD blood groups in the study population according to ethnicity

Ethnicity	Total	RhD−
		N	Proportion (%, 95% CI)
Han	3 473 527	33 003	0.95 (0.94 to 0.96)
Uygur	129 454	4309	3.33 (3.23 to 3.43)*
Zhuang	47 305	240	0.51 (0.44 to 0.57)
Manchu	33 182	121	0.36 (0.30 to 0.43)
Miao	27 637	191	0.69 (0.59 to 0.79)
Yi	19 659	245	1.25 (1.09 to 1.40)
Mongolian	18 996	65	0.34 (0.26 to 0.43)
Hui	11 471	92	0.80 (0.64 to 0.97)
Others	70 803	739	1.04 (0.97 to 1.12)
Total	3 832 034	39 005	1.02 (1.01 to 1.03)

*Compared with the other ethnic groups, the proportions of the RhD– group were significantly higher in the Uygur population (all P<0.001).

RhD–, RhD negative.