Table 4.
Group | Patient age (years)* | Length of followup (years)* | Mediolateral laxity at 30° of flexion per knee society criteria | Anteroposterior drawer at 90° of flexion per knee society criteria | Knee society knee score (points)* | Knee society function score (points)* |
---|---|---|---|---|---|---|
Popliteus and lateral collateral ligament released (35 knees) | 75 ± 7 | 11 ± 4 | < 6°: 18 | < 5 mm: 28 | 76 ± 24 | 58 ± 28 |
6°–9°: 12 | 5–10 mm: 6 | |||||
10°–14°: 4 | > 10 mm: 1 | |||||
> 14°: 1 | ||||||
Either popliteus or lateral collateral ligament or both preserved (41 knees) | 78 ± 4 | 10 ± 3 | < 6°: 30 | < 5 mm: 35 | 89 ± 13 | 62 ± 29 |
6°–9°: 9 | 5–10 mm: 5 | |||||
10°–14°: 2 | > 10 mm: 1 | |||||
> 14°: 0 |
* Values are expressed as mean ± standard deviation.