Table 1.

Inflammatory bowel disease patient demographics and characteristic

Characteristics	n or mean ± SD (range)
Male:female	7:11
Age at diagnosis(yr)	26.6 ± 11.3 (12-56)
Disease duration	8.4 ± 7.9 (0-30)
Montreal classification
CD	13
UC	5
Age at diagnosis (yr)
A1 ( ≤ 16)	1
A2 (17-40)	14
A3 (> 40)	3
Smoking status
Never smoked	7
Ex-smoker	5
Current smoker	6
Anti-TNF response
Responder	13
Non-responder	5

CD: Crohn’s disease; UC: Ulcerative colitis; TNF: Tumor necrosis factor.