| | | | Active CD—Target | Active CD—Matched | Inactive CD—Target | Inactive CD—Matched | Control—Target | Control—Matched |
| | Crypt area | Mean (SD) | 8686 (4604) | 7256 (3978) | 9049 (2388) | 8948 (2881) | 8127 (2417) | 7960 (1838) | | 0.051 | 0.8618 | 0.8333 |
| | Crypt grey scale density | Mean (SD) | 590 (250) | 395 (176) | 615 (348) | 500 (182) | 492 (145) | 470 (308) | | 0.0206 | 0.1280 | 0.8960 |
| | Crypt diameter | Mean (SD) | 95 (32) | 87 (28) | 108 (14) | 107 (18) | 103 (16) | 102 (10) | | 0.0559 | 0.8608 | 0.9428 |
| | Intercryptal distance | Mean (SD) | 102 (41) | 98 (30) | 77 (17) | 83 (25) | 78 (20) | 82 (10) | | 0.8112 | 0.4349 | 0.2769 |
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