Retrospective Cohort Study
Copyright ©The Author(s) 2021.
World J Clin Cases. Apr 16, 2021; 9(11): 2446-2457
Published online Apr 16, 2021. doi: 10.12998/wjcc.v9.i11.2446
Table 6 Rate of rebleeding within 24 h from last hematochezia to colonoscopy
Rate of rebleeding within 30 d by contrast-enhanced CT findings (%)
Extravasation-positive cases
Extravasation-negative cases

Time from last hematochezia to colonoscopy within 24 h
Time from last hematochezia to colonoscopy within 24 h
P value
Urgent CT group (≤ 4 h)6.4 (3/47)32.1 (17/53)< 0.01
Elective CT group (> 4 h)30.0 (6/20)19.4 (12/62)0.49
P value0.030.18