Table 2.

Prevalence of cholecystolithiasis in relation to BMI, disease duration, pattern of involvement and bowel resections in Crohn's disease patients

BMI-classes	Patients (n)	Prevalence (%)
Ideal weight (males:< 22; females:< 21)	100	14
Normal weight (males: 22-26; females: 21-25)	97	11
Overweight (males: > 26; females: > 25)	26	13
Total	222	13.5
Disease duration in years
1-5 yr	86	8
6-10 yr	57	12
11-15 yr	32	9
16-34 yr	47	28
Total	222	13.5
Pattern of disease involvement
or prior surgery
No visualized involvement	9	22
Isolated to small bowel	49	6
Isolated to colon	33	6
Both small bowel and colon involved	45	13
Ileocaecal-/ileal resection	54	22
Partial or total colectomy	32	16
Total	222	13.5