Table 1.

Demographic Information of the IBD Patients

	Ulcerative Colitis (N = 430)	Crohn’s Disease (N = 286)	P value
Gender
Male	261 (60.7%)*	191 (66.8%)*
Female	169 (39.3%)	95 (33.2%)
Age (y)
Average	39.3 ± 13.8	29.5 ± 12.4	< 0.01
< 17	5 (1.2%)	29 (10.1%)
17~40	243 (56.5%)	204 (71.4%)
>40	182 (42.3%)	53 (18.5%)	< 0.01
Average length of hospitalization (day)
	10.9 ± 7.4	11.3 ± 6.1	> 0.05

Note: * P < 0.01 compared to female.