Prevalence of gallstone disease in first-degree relatives of patients with cholelithiasis

Table 4 Prevalence of GD and levels of the most important risk factors for gallstones in husbands and wives of subjects with or without gallstones

	Husbands and wives of
	Cases	Controls	P
	n = 63	n = 62
Males/females	40/23	39/23	NS
Age (yr); mean (CI)	50.2 (48.8-51.4)	50.6 (48.9-51.7)	NS
BMI ; mean (CI)	25.9 (24.9-26.6)	26.0 (24.9-27.0)	NS
No. of pregnancies (female);	1.5 (1.0-2.2)	1.6 (0.8-2.1)	NS
mean (CI)
Diabetes (%)	4.8	3.2	NS
GD (%)	9.5	11.2	NS