Extravasated contrast volumetric assessment on computed tomography angiography in gastrointestinal bleeding: A useful predictor of positive angiographic findings

Table 2 Demographic, etiological, laboratory, and clinical data of study population, n (%)

Characteristic	Value
Demographic	n (range)
Patients (n)	35
Age (yr)	67 (19-92)
Male/female	22/13
Weight (kg)	86 (67-118)
Height (cm)	175 (155-188)
BMI (kg/m2)	25.7 (17-33.5)
Etiological
Bleeding site
Upper GI tract	15 (42.9)
Lower GI tract	20 (57.1)
Bleeding cause
Peptic ulcer	8 (22.8)
Diverticular disease	10 (28.5)
Gastritis or duodenitis	3 (8.5)
Angiodysplasia	3 (8.5)
Pancreatitis	2 (5.7)
Spontaneous	4 (11.4)
Iatrogenic	5 (14.2)
Vascular territory
Gastroduodenal artery	5 (14.2)
Left gastric artery	3 (8.5)
Short gastric artery	1 (2.8)
Pancreaticoduodenal artery	4 (11.4)
Superior mesenteric artery (terminal branches)	1 (2.8)
Right colic artery (distal branches)	2 (5.7)
Ileo-colic artery	3 (8.5)
Marginal artery	2 (5.7)
Jejunal artery	2 (5.7)
Ileal artery	3 (8.5)
Inferior mesenteric artery (terminal branches)	6 (17.1)
Sigmoid artery (terminal branches)	2 (5.7)
Inferior epigastric artery	1 (2.8)
Laboratory
Pre-CTA haemoglobin (g/dL), median (interquartile range)	7.5 (4-13)
Clinical
Hematemesis	9 (25.7)
Coffee ground emesis	4 (11.4)
Melena	5 (14.2)
Haematochezia	14 (40)
Haemodynamic instability	3 (8.5)

BMI: Body mass index; GI: Gastrointestinal; CTA: Computed tomography angiography.