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Functional results depending on the McCormick score before surgery
| McCormick classification | Evolution |
|||
|---|---|---|---|---|
| Improvement, n (%) | Worsening, n (%) | Stationary, n (%) | Death, n (%) | |
| Grade I | 4 (44.4) | 1 (11.1) | 4 (44.4) | - |
| Grade II | 17 (30.9) | 16 (29.1) | 21 (38.2) | 1 (1.8) |
| Grade III | 22 (57.9) | 5 (13.2) | 9 (23.7) | 2 (5.3) |
| Grade IV | 9 (50.0) | 3 (16.7) | 6 (33.3) | - |
