Clinical Research
Copyright ©2005 Baishideng Publishing Group Inc.
World J Gastroenterol. Dec 7, 2005; 11(45): 7122-7130
Published online Dec 7, 2005. doi: 10.3748/wjg.v11.i45.7122
Table 1 Distribution of 272 patients with acute non-variceal upper GI bleeding according to age, sex, and other selected covariates
Covariatesn (%)
Sex, male186 (68.4)
Mean age (yr)67.4±15.8
<4019 (7.0)
40–4924 (8.8)
50–5926 (9.6)
60–6951 (18.8)
70–7988 (32.4)
≥ 8064 (23.5)
Shock grade1: 0213 (78.3)
135 (12.8)
224 (8.8)
Comorbidities: cardiovascular73 (26.8)
Neoplastic30 (11.0)
Hepatic26 (9.5)
Nephropathic17 (6.2)
Multiple48 (17.6)
Others37 (13.3)
Main symptom at presentation2: hematemesis114 (42.0)
Melena89 (33.0)
Anemia69 (25.0)
Epigastric pain19 (7.0)
Time of endoscopy: 8.00 a.m.–5.00 a.m.221 (81.0)
5.00 p.m.–8.00 a.m.51 (19.0)
Rockall score: 1–358 (21.3)
4–6146 (53.7)
>668 (25.0)
Ulcer location: esophagus21 (7.7)
Stomach121 (44.5)
Duodenum130 (47.8)
Ulcer size3: <20 mm152 (68.5)
≥20 mm70 (31.5)
Forrest classification: 1A6 (2.2)
1B59 (21.7)
2A19 (7.0)
2B63 (23.2)
2C125 (45.9)
Transfusion requirements before
endoscopy: (number of blood units)0229 (84.2)
1–437 (13.6)
≥56 (2.2)