Table 2

Assessment of ASUC

VariablenInpatient
n=695
Ambulatory, n=69P value
Ambulatory from diagnosis, n=15Initially inpatient and then discharged to ambulatory, n=54
Stool culture sent74792.9% (631/679)64.3% (9/14)79.6% (43/54)0.0005
Stool frequency assessment on day 1 and day 3 after ASUC diagnosis
 Stool frequency on both days58375.2% (397/528)91.7% (11/12)74.4% (32/43)0.5
 Stool frequency on neither day24.8% (131/528)8.3% (1/12)25.6% (11/43)
CRP tested on day 1 and day 3 after ASUC diagnosis
 CRP on both days76479.3% (551/695)86.7% (13/15)72.2% (39/54)0.62
 CRP on one of days14.0% (97/695)13.3% (2/15)20.4% (11/54)
 CRP on neither days6.8% (47/695)0.0% (0/15)7.4% (4/54)
Underwent emergency flexible sigmoidoscopy assessment75677.3% (532/688)46.7% (7/15)84.9% (45/53)0.01
Time to flexible sigmoidoscopy (days)5692.0 (1.0–4.0)1.0 (1.0–3.0)2.0 (1.0–3.0)0.85
Discussed at IBD MDT74638.7% (263/679)20.0% (3/15)32.7% (17/52)0.24
  • P value=Fisher’s exact test or Kruskal-Wallis test for discrete and continuous variables, respectively. Discrete variables displayed % (n/N) and continuous variables median (IQR).

  • ASUC, acute severe ulcerative colitis; CRP, C reactive protein; IBD, inflammatory bowel disease; MDT, multidisciplinary team.