Table 1.

Prevalence of G6PD deficiency among the 12 ethnic groups in China

Ethnic group	Screening		G6PD deficiency		Total	Gene frequency a of G6PD deficiency from males	Geographical position
	Male	Female	Male	Female			Location	Latitude	Longitude	Altitude
Zhuang	869	736	97	57	1605	11.16	Baise, Guangxi	N23°54′	E106°36′	~183 m
Dai	353	459	32	47	812	9.07	Xishuangbanna,Yunnan	N22°00′	E100°47′	~551 m
HanHakka	642	1689	31	51	2331	4.82	Ganzhou, Jiangxi	N25°50′	E114°55′	~109 m
HanGuangzhou	627	198	29	19	825	4.63	Guangzhou, Guangdong	N23°07′	E113°15′	~4.2 m
HanChaoshan	1365	1135	44	23	2500	3.22	Chaozhou, Guangdong	N23°39′	E116°37′	~11.3 m
Yi	599	511	16	18	1110	2.67	Baoshan, Yunnan	N25°06′	E99°09′	~1673 m
Buyi	518	462	9	6	980	1.74	Xingyi, Guizhou	N29°05′	E104°53′	~1299 m
Miao	374	167	5	3	541	1.33	Wenshan,Yunnan	N23°24′	E104°12′	~1257 m
Bai	687	/	7	/	687	1.01	Dali, Yunnan	N25°36′	E100°15′	~2090 m
Hui	599	950	5	6	1549	0.83	Yinchuan, Ningxia	N38°29′	E106°13′	~1010 m
Tibetan	322	324	1	/	646	0.31	Nyingchi, Tibet	N29°39′	E94°21′	~3100 m
Mongolian	1109	995	/	/	2104	0.00	Baotou, Inner Mongolia	N40°39′	E109°50′	~2350 m

^aAbout the gene frequency of G6PD deficiency, we just included the data from males, because some of heterozygous females have normal enzymatic activity. It is very difficult for us to detect all the G6PD‐deficient heterozygous females by the present screening procedure.