Table 3 Tegner activity score, Lysholm knee score, and side-to-side difference in anterior laxity by the KT-2000 arthrometer in patients with both Lachman test and pivot-shift test ≤ grade 1
At 1-year follow-up | P0L0 (n = 53, 100%) | P0L1 (n = 6, 100%) | P1L0 (n = 17, 100%) | P1L1 (n = 1, 100%) | Total (n = 77, 100%) |
|---|---|---|---|---|---|
Changes of the Tegner activity score | |||||
Improved | 0 | 0 | 0 | 0 | 0 |
Maintained | 27 (51%) | 5 (83%) | 7 (42%) | 0 | 39 (51%) |
Decreased (− 1 level) | 17 (32%) | 1 (17%) | 5 (29%) | 1 (100%) | 23 (30%) |
Decreased (− 2 level) | 8 (15%) | 0 | 5 (29%) | 0 | 14 (18%) |
Decreased (− 3 level) | 1 (2%) | 0 | 0 | 0 | 1 (1%) |
Tegner activity score | |||||
Pre-injury | 6.7 (range, 4–8) | 7.3 (range, 7–8) | 7.3 (range, 5–9) | 8.0 | 6.9 (range, 4–9) |
Last follow-up | 6.0 (range, 4–8) | 7.2 (range, 7–8) | 6.4 (range, 5–8) | 7.0 | 6.2 (range, 4–8) |
Lysholm knee score | 91.2 (range, 72–100) | 91.2 (range, 85–100) | 91.4 (range, 68–100) | 85 | 91.2 (range, 68–100) |
Side-to-side difference (mm) | 2.2 (range, 0–4.5) | 2.8 (range, 1–4.5) | 3.2 (range, 1.5–4.5) | 4.5 | 2.5 (range, 0–4.5) |