| Extravasation (+) group (n = 30) | Extravasation (−) group (n = 52) | P Value | |
| Age (year) | 72 | 67 | 0.08 |
| Gender male | 15 (50%) | 36 (69%) | 0.08 |
| History of diverticular bleeding | 8 (27%) | 12 (23%) | 0.98 |
| Oral medications | |||
| Antithrombotic drugs | 10 (33%) | 20 (38%) | 0.64 |
| NSAIDs | 6 (20%) | 5 (10%) | 0.18 |
| Steroids | 0 (0) | 1 (2%) | 0.44 |
| Findings on arrival | |||
| Systolic blood pressure (mmHg) | 136 | 129 | 0.21 |
| Pulse rate (times/min) | 84 | 82 | 0.56 |
| Hemoglobin (g/dl) | 10.1 | 10.5 | 0.45 |