Table 1 The characteristics of 80 patients with upper gastrointestinal bleeding treated with intravenous cimetidine or oral omeprazole.

Hx of alcohol

4 (10)

7 (17.5)

0.33

Hx of cigarette smoking

14 (35)

15 (37.5)

0.816

Hx of NSAIDs

19 (47.5)

18 (45)

0.823

Hx of epigastric pain

22 (55)

21 (52.5)

0.823

Pre-existing disease

18 (45)

17 (42.5)

0.283

Hx of gastrointestinal bleeding

3 (7.5)

10 (25)

0.034

Mean Hb level (gr/dl)

9.53

10.04

0.392

Mean BUN (mg/dl)

16.55

10.72

0.629

Blood transfusion (units)

3.58

1.68

0.003

Mean interval of rebleeding (days)

2.1

2.8

0.34

Rebleeding

20 (50)

6 (15)

0.001

Duration of hospitalization (days)

7.46

5.6

0.074

Mortality

3 (7.5)

1 (2.5)

0.24