Table 1.

Baseline Demographics and Disease Phenotypes of Patients of ASUC and Comparison of Steroid Responders with Steroid Failures

Variable	Total patients (n=76)	Steroid responder (n=46)	Steroid failure (n=30)	P-value
Age (yr)	35.5±12.1	34.2±10.0	37.4±12.2	0.91
Male sex	40 (53)	23 (50)	17 (56)	0.42
Duration of UC prior to ASC (mo)	12 (1–180)	12 (1–180)	18 (6–120)	0.51
Index presentation of UC as ASUC	6 (8)	4 (9)	2 (7)	0.53
Extent				0.92
E2 (left -sided colitis)	20 (26)	12 (26)	8 (27)
E3 (extensive colitis)	56 (74)	34 (74)	22 (73)
Prior azathioprine use	34 (45)	21(46)	13 (43)	0.51
Previous ASUC	18 (24)	9 (20)	9 (30)	0.73
Prior systemic steroid use	60 (79)	35 (76)	25 (83)	0.61
Steroid use in 1st year of diagnosis of UC	49 (64)	27 (59)	22 (73)	0.15
Tobacco user	14 (18)	8 (17)	6 (20)	0.42
Presence of EIMs	27 (35)	16 (35)	11 (37)	0.91
		13 Central or peripheral arthralgia	9 Central or peripheral arthralgia
		2 Episcleritis	1 Episcleritis
		1 Primary sclerosing cholangitis	1 Pyoderma gangrenosum

Values are presented as mean±standard deviation, number (%), or median (range).

ASUC, acute severe ulcerative colitis; UC, ulcerative colitis; ASC, acute severe colitis; EIMs, extraintestinal manifestations.