Correlation between age of onset and gastrointestinal stenosis in hospitalized patients with Crohn's disease

Table 2 Univariate comparison between gastrointestinal stenosis group and non-gastrointestinal stenosis group

Variable	Gastrointestinal stenosis	Non-gastrointestinal stenosis	P value
Total number of patients	72 (59.02%)	50 (40.98%)
Male gender	49 (68.06%)	36 (72.00%)	0.761
Age of onset (yr)	37.61 ± 15.14	30.84 ± 14.67	0.021
Duration of disease (mo)	72 (11-492)	45 (3-240)	0.010
Exposure to corticosteroid	23	20	0.360
Exposure to azathioprine	22	13	0.247
Exposure to biologics	35	19	0.585
Disease activity: Severe	11	2	0.065
Disease involved: Ileum	50	44	0.039
Parenteral performance	5	6	0.243
Perforation	4	4	0.594
Gastrointestinal bleeding	5	1	0.243
Thrombosis	1	0	NA
Fistula	7	10	0.114
Severe malnutrition	9	5	0.671
Infection	7	6	0.689
Neoplastic lesions	1	1	0.795

NA: Not available.