Table 1

Patient characteristics

Characteristic
Sex (M/F) 80/90
Age (y) (mean (range)) 42.9 (18–81)
Type of disease
 Crohn's disease130
 Ulcerative colitis 40
Duration of disease (y) (mean (range)) 12.2 (0.6–50.5)
Previous intestinal resection (n) 78
Disease site (n)
 Ileum 35
 Ileocolon 46
 Colon  89 (CD 49, UC 40)
Inflammatory bowel disease questionnaire (mean (range))176 (75–223)