Table 1.

Characteristics of patients

Characteristic	Infliximab (group A), n = 11	Surgery (group B), n = 10	Infliximab + surgery (group C), n = 14
Sex, male:female ratio	4:7	3:7	6:8
Current regular smoker, no. of patients	4	3	6
Median (range)
Age, yr	36.3(19–63)	33.1 (16–58)	35.3 (18–65)
Duration of disease, yr	8.8(1–14)	7.9 (0.9–18)	7.4 (0.8–21)
Duration of fistula, mo	13.8(6–33)	14.5 (4–29)	12.1 (5–42)
Preoperative PCDAI score	10.7(7–13)	11.2 (7–15)	11.07 (9–16)
Disease location, no. of patients
Small bowel	2	2	3
Colon	4	3	4
Small bowel and colon	5	5	6
Perianal only	0	0	1
Previous procedure, no. of patients
Resection for Crohn disease	5	3	0
Perianal surgery	3	2	8
Immunomodulator therapy	11	10	14
Antibiotics	11	10	14
Anti-TNF-α therapy	2	3	1
Magnetic resonance imaging	4	3	5
Endoscopic ultrasonography	7	7	9

PCDAI = Perianal Crohn’s Disease Activity Index; TNF = tumour necrosis factor.