| Acinar necrosis | Fatty tissue necrosis | Intralobular inflammation (plasma cells, lymphocytes, and granulocytes outside parenchymal and fatty tissue necrosis) | Edema | Overall |
---|---|---|---|---|---|
Melatonin group | 2.5 (0.0–3.0) | 1.2 (0.0–3.0) | 2.0 (0.3–3.0) | 2.7 (1.0–3.0) | 7.9 (3.0–12.0) |
Non-melatonin group | 2.7 (2.0–3.0) | 2.0 (1.0–3.0) | 2.5 (1.0–3.0) | 3.0 (2.0–3.0) | 9.7 (8.3–12.0) |
P | p = 0.025 | p = 0.003 | p = 0.150 | p = 0.028 | p = 0.006 |
Score | Acinar necrosis | Fatty tissue necrosis (in relation to plane) | Intralobular Inflammation (plasma cells, lymphocytes, and granulocytes outside parenchymal and fatty tissue necrosis) | Edema | Â |
 0 | Nil | Nil | Nil | Nil |  |
 1 | < 10 acinar cell necrosis/lobule | < 1/3 of plane | Loose infiltrates (≤ 30 cells/HPF) | Interlobular edema |  |
 2 | ≥ 10 acinar cell necrosis/lobule | ≥ 1/3 to < 2/3 of plane | Moderate infiltrates (> 30; ≤ 100 cells/HPF) | Interacinar edema, ≥ 2 lobules |  |
 3 | ≥ 1/3 of plane | ≥ 2/3 of plane | Dense infiltrates (> 100 cells/HPF) | Intercellular edema, ≥ 2 lobules |  |