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Frequency of colonoscopic abnormalities and number of eosinophils on histology/high power field of infants with allergic colitis 1 and allergic colitis 2 n (%)
| Characteristic | AC1 (n = 19) | AC2 (n = 11) |
| LNH | 15 (79) | 7 (64) |
| Aphthous ulceration | 8 (42) | 6 (55) |
| LNH and aphthous ulceration | 6 (32) | 5 (45) |
| Marked erythema | 1 (5) | 1 (9) |
| No. of eosinophils/HPF (mean) | 12.2 | 29.5 |
LNH: Lymphonodular hyperplasia; AC1: Allergic colitis 1; AC2: Allergic colitis 2; HPF: High power field.
