Table 1 Patients’ characteristics in oral opium and non-opium user patients with upper gastrointestinal bleeding
|  | Non-opium user patients (n = 50) | Oral opium user patients (n = 50) | P-value | |
|---|---|---|---|---|
Age; mean ± SD, year | 53.04 ± 14.14 | 48.46 ± 17.60 | 0.1546 | |
Gender; number (%) | Female | 8 (16%) | 20 (40%) | 0.008 |
Male | 42 (84%) | 30 (60%) | ||
H. pylori; number (%) | Positive | 41 (82%) | 44 (88%) | 0.556 |
Negative | 9 (18%) | 6 (12%) | ||