Table 1.

Clinical Characteristics of Patients with Crohn’s Disease Receiving Post-operative Anti-TNF Antibody Maintenance Therapy.

Variable		N=164 (%)
Gender	Male	120 (73.2)
	Female	44 (26.8)
Age at primary operation (years)		35.5 (range 14-65)
Age at diagnosis	≤40 yrs	149 (90.9)
	>40 yrs	15 (9.1)
Disease location	Terminalileum	61 (37.2)
	Colon	17 (10.4)
	Ileum and colon	86 (52.4)
Disease behavior	Non-stricturing	4 (2.4)
	Stricturing	80 (48.8)
	Penetrating	80 (48.8)
Presence of anal lesions	Yes	71 (43.3)
	No	93 (56.7)
Type of operation	Initial surgery	112 (68.3)
	Reoperation	52 (31.7)
Ileocecal resection only	Yes	16 (90.2)
	No	148 (9.8)
Strictureplasty	Yes	26 (15.9)
	No	138 (84.1)
Post-operative smoking habit	Yes	6 (3.7)
	No	158 (96.3)
Post-operative thiopurine use	Yes	34 (20.7)
	No	130 (79.3)
Post-operative elemental diet use	Yes	57 (34.8)
	No	107 (65.2)