Clinical correlation of gallstone disease in a Chinese population in Taiwan: Experience at Cheng Hsin General Hospital

Table 1 Prevalence of each type of gallstone disease among 2386 Chinese subjects

Variable	Gallstone disease
	Totalscreenednumber	Single stoneprevalencenumber(%)	Multiple stonesprevalencenumber(%)	Cholecystectomyprevalencenumber(%)
Gender
Male	1235	21(1.7)	21(1.7)	17(1.4)
Female	1151	19(1.7)	34(3.0)	14(1.2)
P-value for χ2-test		0.95	0.04	0.76
Age
<40	745	4(0.5)	5(0.7)	2(0.3)
40-49	723	6(0.8)	7(1.0)	6(0.8)
50-59	504	11(2.2)	21(4.2)	8(1.6)
60-69	252	7(2.8)	17(6.8)	6(2.4)
70+	162	12(7.4)	5(3.1)	9(5.6)
P-value for Cochran-Armitage trend test		<0.0001	<0.0001	<0.0001
Total	2386	40(1.7)	55(2.3)	31(1.3)