Clinical outcomes of patients according to the timing of endoscopy from IDC onset

CharacteristicEndoscopy > 30 days of onsetN = 40Endoscopy ≤ 30 days of onsetN = 142P valueEndoscopy > 7 days of onsetN = 89Endoscopy ≤ 7 days of onsetN = 93P value
IV steroids, n (%)23 (57.5)60 (42.3)0.05446 (66.7)37 (56.9)0.287
Duration of symptoms (days, SD)54 (92)26 (77)0.06247 (104)19 (47)0.026
Duration of steroid (days, SD)87 (120)53 (41)0.01974 (90)49 (43)0.053
Infliximab/vedolizumab, n (%)8 (22.9)34 (32.1)0.39526 (29.2)27 (29.0)1.000
Duration from onset to first infliximab/vedolizumab dose (days, SD)31 (23)15 (14)0.03023 (17)14 (17)0.154
Colonoscopy findings, n (%)0.1610.263
 Ulcer9 (22.5)40 (28.2)27 (30.3)22 (23.7)
 Non-ulcerative inflammation11 (27.5)55 (38.7)27 (30.3)39,941.9)
 Normal20 (50.0)47 (33.1)35 (39.3)32 (34.4)
High-risk endoscopic features, n (%)14 (35.0)57 (40.1)0.58737 (41.6)34 (36.6)0.544
Active histological inflammation, n (%)29 (72.5)100 (70.4)0.84763 (70.8)66 (71.0)1.000
Outcomes, n (%)
 Hospitalization27 (67.5)105 (73.9)0.42858 (65.2)74 (79.6)0.032
 Duration of hospitalization (days, SD)9 (7)7 (6)0.1389 (7)6 (7)0.068
 ICU admission4 (10)3 (2.1)0.0724 (4.5)3 (3.2)0.856
 Recurrence20 (50.0)31 (21.8)0.00160 (67.4)71 (76.3)0.191

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