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 4 Rate of stigmata of recent hemorrhage identification within 24 h from last hematochezia to colonoscopy
Rate of SRH identification 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)66.0 (31/47)7.5 (4/53)< 0.01
Elective CT group (> 4 h)20.0 (4/20)3.2 (2/62)0.31
P value< 0.010.54