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Cartilage degeneration scores for the total pool of tali and for the subset displaying crystals.
| Total Sample, n (%) | Non-crystal tali, n (%) | Crystal tali, n (%) | |
|---|---|---|---|
| No. donors | 4007 | 3820 (95.3) | 187 (4.7) |
| No. individual tali | 7855 | 7511 (95.6) | 344 (4.4) |
| Grade 0 | 2948 (38) | 2921 (39) | 27 (7.8) |
| Grade 1 | 2856 (36) | 2727 (36.3) | 129 (37.5) |
| Grade 2 | 1614 (20.5) | 1455 (19.4) | 159 (46.3) |
| Grade 3 | 413 (5.2) | 384 (5) | 29 (8.4) |
| Grade 4 | 24 (0.3) | 24 (0.3) | 0(0) |
| Mean grade | 0.83 | 0.74 | 1.57 |
