Prevalence and Associated Metabolic Factors of Gallstone Disease in the Elderly Agricultural and Fishing Population of Taiwan

Table 1

The gender and age specific prevalence of gallstone disease among elderly agricultural and fishing screened subjects (n = 6,511).

Variable	Gallstone disease
	Total	Subtotal		Single stone		Multiple stones		Cholecystectomy
	Screened	Prevalence		Prevalence		Prevalence		Prevalence
	Number	Number	(%)	Number	(%)	Number	(%)	Number	(%)
Sex
Male	3,971	484	12.2	206	5.2	171	4.3	107	2.7
Female	2,540	376	14.8	153	6.0	157	6.2	66	2.6
P value for χ ^2-test	0.003
Age
60–64	2,140	225	10.5	94	4.4	93	4.3	38	1.8
65–74	2,440	313	12.8	130	5.3	125	5.1	58	2.4
75–84	1,608	240	14.9	100	6.2	81	5.0	59	3.7
85+	323	82	25.4	35	10.8	29	11.1	18	5.5
P value for; Cochran-Armitage; trend test	<0.0001
Total	6,511	860	13.2	359	5.5	328	5.0	173	2.7