Table 1 Scoring criteria for histological findings
Score | ||||
|---|---|---|---|---|
0 | 1 | 2 | 3 | |
Revascularization | None | Mild | Moderate | Significant |
Inflammation (percent of inflammatory cells) | None | ≤2 % | >2–≤10 % | >10 % |
Fiber structures | None | Thin and sparse fiber structures | Irregular fiber structures | Regular fiber structures |
Hyaline degeneration (percentage of areas with chondroid-like cells) | None | ≤10 % | >10–≤30 % | >30 % |