Endoscopy results (n = 120) | Protected (n = 60) | Control (n = 60) |
---|---|---|
No lesion | 56 | 42 |
Grade 1 (erythema) | 0 | 4 |
Grade 2 (erosion < 5 mm) | 1 | 1 |
Grade 3 (erosion(s) > 5 mm) | 0 | 1 |
Grade 4a (superficial ulcer, clean) | 1 | 4 |
Grade 4b (superficial ulcer with clot) | 0 | 1 |
Grade 5a (deep ulcer, clean) | 0 | 1 |
Grade 5b (deep ulcer with clot) | 0 | 0 |
Grade 6 (fistula) | 0 | 0 |