Incidence of secondary knee injuries identified at the time of injury and at surgery
| Injury; time point | Group; no. (%) of patients | p value | |
|---|---|---|---|
| Early surgery | Regular waiting time | ||
| Chondral injury | |||
| Medial compartment | |||
| Injury | 1 (4) | 1 (4) | 0.7 |
| Surgery | 3 (11) | 3 (12) | 0.6 |
| Meniscal tear | |||
| Lateral compartment | |||
| Injury | 0 (0) | 0 (0) | — |
| Surgery | 1 (4) | 3 (12) | 0.6 |
| Patellofemoral compartment | |||
| Injury | 0 (0) | 0 (0) | — |
| Surgery | 2 (7) | 2 (8) | 0.6 |
| Medial compartment | |||
| Injury | 5 (18) | 8 (32) | 0.6 |
| Surgery | 5 (18) | 8 (32) | 0.6 |
| Lateral compartment | |||
| Injury | 8 (29) | 13 (52) | 0.1 |
| Surgery | 10 (36) | 13 (52) | 0.2 |