Early colonoscopy and urgent contrast enhanced computed tomography for colonic diverticular bleeding reduces risk of rebleeding

Table 2 Outcomes by timing of computed tomography imaging

	Total	Urgent CT	Elective CT	P value
	n = 182	n = 100	n = 82
Extravasation-positive rate, n (%)	67 (36.8)	47 (47.0)	20 (24.4)	< 0.01
SRH identification, n (%)	41 (22.5)	35 (35.0)	6 (7.3)	< 0.01
Active bleeding	30 (16.5)	26 (26.0)	4 (4.9)	< 0.01
Adherent clot	7 (3.8)	6 (6.0)	1 (1.2)	0.06
Non-bleeding visible vessel	4 (2.2)	3 (3.0)	1 (1.2)	0.32
Hospitalization length of stay, d, mean ± SD	7.4 ± 5.3	7.1 ± 4.1	7.7 ± 6.3	0.40
Need for interventional radiology, n (%)	4 (2.2)	1 (1.0)	3 (3.7)	0.48
Need for surgery, n (%)	4 (2.2)	0 (0.0)	4 (4.9)	0.08
Blood transfusion, n (%)	40 (22.0)	24 (24.0)	16 (19.5)	0.61
Amount of transfusion, units, mean ± SD	1.1 ± 2.7	1.2 ± 2.6	1.0 ± 2.8	0.46
Blood transfusion after SRH, n (%)	17 (9.3)	13 (13.0)	4 (4.9)	0.11
Contrast media-related adverse events
Nausea, vomiting n (%)	1 (0.6)	1 (1.0)	0
Urticaria and skin rash, n (%)	0	0	0
Pruritus, n (%)	1 (0.6)	0	1 (1.2)
Erythema, n (%)	0	0	0
Laryngeal edema, n (%)	0	0	0
Sneezing, n (%)	0	0	0
Coughing, n (%)	0	0	0
Contrast media-related severe adverse events
Dyspnea, n (%)	0	0	0
Sudden drop in blood pressure, n (%)	0	0	0
Loss of consciousness, n (%)	0	0	0
Cardiac arrest, n (%)	0	0	0

CT: Computed tomography; RCC: Red cell concentrate; SRH: Stigmata of recent hemorrhage.