Table 2.

Gallstone prevalence rates in different ethnic groups

		Prevalence rate	χ2	P value
Han	Male (≤ 50)	8.24% (280/3396)	117.02	0.00
	(> 50)	18.44% (328/1779)
	Female (≤ 50)	5.45% (120/22320)	306.52	0.00
	(> 50)	28.29% (228/806)
	Total (≤ 50)	7.11% (400/5628)	357.22	0.00
	(> 50)	21.51% (556/2585)
	Total male	11.75% (608/5175)	0.16	0.69
	Total female	11.45% (348/3038)
Uighur	Male (≤ 50)	13.96% (68/487)	31.98	0.00
	(> 50)	30.67% (92/300)
	Female (≤ 50)	11.58% (36/311)	121.82	0.00
	(> 50)	61.11% (88/144)
	Sum (≤ 50)	13.03% (104/798)	122.42	0.00
	(> 50)	40.54% (180/444)
	Total male	20.33% (160/787)	7.83	0.01
	Total female	27.25% (124/455)