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Table 1 Comparison of groups according to the angiographic visualization of extravasation

From: Relationship between angiography timing and angiographic visualization of extravasation in patients with acute non-variceal gastrointestinal bleeding

Characteristics Positive angiogram
(n = 58)
Negative angiogram
(n = 80)
P value
Age, mean (SD), years 66.2 (15.4) 66.8 (14.3) 0.597
Sex, men, n (%) 38 (65.5) 53 (66.3) 0.929
Underlying disease, n (%)    
 Hypertension 36 (62.1) 40 (50) 0.156
 Diabetes 20 (34.5) 15 (18.8) 0.036
 Liver cirrhosis 2 (3.4) 4 (5) 0.985
 Chronic renal disease 8 (13.8) 6 (7.5) 0.356
 Chronic lung disease 3 (5.2) 5 (6.25) 0.999
 Coronary artery disease 10 (17.2) 14 (17.5) 0.968
 Cerebrovascular disease 12 (20.7) 12 (15) 0.384
 Malignancy 12 (20.7) 27 (33.8) 0.093
Antiplatelet agent, n (%) 23 (39.7) 26 (32.5) 0.386
Anticoagulant, n (%) 9 (15.5) 9 (11.3) 0.463
Initial laboratory parameters    
 Hb, mean (SD), g/dL 8.5 (2.1) 8.6 (2.7) 0.761
 PLT count, mean (SD), × 103/µL 193.5 (115.7) 233.4 (113) 0.048
 PT, mean (SD), INR 1.7 (1.1) 1.4 (1.0) 0.150
Initial vital signs    
 Systolic BP, mean (SD), mmHg 109 (24.9) 110 (20.4) 0.961
 HR, mean (SD), beats per minute 96.2 (19.6) 92.9 (18.9) 0.318
Lowest systolic BP, mean (SD), mmHg 85.0 (21.4) 89.5 (16.0) 0.182
Maximum HR, mean (SD), beats per minute 118.7 (24.8) 106.7 (20.0) 0.002
Clinical Rockcall score, mean (SD) 4.6 ± 1.6 4.2 ± 1.6 0.165
Glasgow-Blatchford score, mean (SD) 10.4 ± 3.8 9.2 ± 4.3 0.098
AIMS65 score, mean (SD) 2.2 ± 1.4 1.7 ± 0.9 0.026
Location of GI bleeding, n (%)    0.025
 Upper GI bleeding 29 (50) 29 (36.3)  
 Lower GI bleeding 29 (50) 43 (53.7)  
 Unknown 0 (0) 8 (10)  
Time-to-angiography, mean (SD), hours 5.2 (5.3) 8.9 (13.5) 0.031
  1. SD standard deviation, Hb hemoglobin, PLT platelet, PT prothrombin time, INR international normalized ratio, BP blood pressure, HR heart rate, GI gastrointestinal,