Clinical characteristics and outcomes according to IBD-like endoscopic pattern

CharacteristicCrohn’s colitisN = 39Ulcerative colitisN = 76P value
Duration of symptoms (days, SD)
 IV steroids, n (%)19 (61.3)49 (75.4)0.229
 Infliximab/vedolizumab, n (%)12 (37.5)29 (42.0)0.828
 Duration from onset to recurrence (days, SD)159 (158)112 (118)0.358
 Duration of steroid (days, SD)70 (117)60 (43)0.529
Diarrhea grade, n (%)0.118
 15 (12.8)5 (6.6)
 2145 (35.9)18 (23.7)
 3–420 (51.3)53 (69.7)
Colitis grade, n (%)0.201
 17 (17.9)5 (6.6)
 216 (41.0)36 (47.4)
 3–416 (41.0)35 (46.1)
High-risk endoscopic features23 (59.0)48 (63.2)0.689
Active histologic inflammation33 (84.6)67 (88.2)0.574
Outcomes, n (%)
 Hospitalization30 (76.9)65 (85.5)0.301
 Duration of hospitalization (days)8 (6)8 (7)0.855
 ICU admission2 (5.1)3 (3.9)1.000
 Recurrence15 (38.5)16 (21.1)0.074
 Repeat endoscopy12 (30.8)15 (19.7)0.245

Abbreviation: ICU intensive care unit, IV intravenous, SD standard deviation