Table 1. Baseline Characteristics of Study Patients Who Underwent and Who Did Not Undergo CTE Surveillance.

Parameters	Patients Who Underwent CTE Surveillance within 12 Months (n = 88; Study Cohort)	Patients Who Did Not Undergo CTE Surveillance within 12 Months (n = 141)	P
Age at diagnosis of CD, year (mean ± SD)	26.8 ± 9.1	26.7 ± 9.6	0.952
Age at surgery, year (mean ± SD)	31.4 ± 9.6	30.1 ± 9.5	0.340
Sex			0.456
Male	60	103
Female	28	38
Smoking			0.715
Never or ex-smoker	75	117
Active smoker	13	24
Previous CD-related bowel resection			0.322
Yes	22	27
No	66	114
Indication for surgery			0.309
Bowel penetration/perforation	67	116
Others*	21	25

Data are from time of bowel resection surgery and number of patients unless specified otherwise. ^*Include obstruction/stricture and failure of medical therapy. CD = Crohn's disease, CTE = CT enterography