Comparison of macroscopic findings between NSAID users and non-users
| Non-NSAID users (n = 9) | NSAID users (n = 3) | |
|---|---|---|
| NSAID, non-steroidal anti-inflammatory drug. | ||
| Number of ulcers (median (range)) | 6 (3–12) | 10 (8–11) |
| Longitudinal alignment | ||
| Mesenteric | 3 | 0 |
| Anti-mesenteric | 3 | 0 |
| No eccentricity | 3 | 3 |
| Predominant shape of ulcers | ||
| Irregular | 6 | 0 |
| Longitudinal | 0 | 0 |
| Circular | 3 | 3 |
| Margin of ulcer | ||
| Clear | 9 | 3 |
| Irregular | 0 | 0 |