Table 5.
Factors affecting the achievement of a PASS on the KOOS ADL (= 100.0) subscale
| Factor | Regression coefficient (ß) | SE | OR (95% CI) | P value |
|---|---|---|---|---|
| Pre-operative | ||||
| Age ≥ 30 years | 0.32 | 0.11 | 1.37 (1.10–1.71) | 0.004* |
| Female gender | − 0.23 | 0.10 | 0.79 (0.64–0.97) | 0.02* |
| Delayed (> 3 months) ACLR | 0.20 | 0.13 | 0.81 (0.62–1.06) | n.s. |
| Pre-injury Tegner activity level ≥ 6 | 0.02 | 0.16 | 1.00 (0.72–1.38) | n.s. |
| Intra-operative | ||||
| HT autograft | 0.01 | 0.21 | 1.01 (0.66–1.55) | n.s. |
| MM resection | 0.19 | 0.14 | 1.21 (0.90–1.61) | n.s. |
| MM repair | − 0.20 | 0.25 | 0.81 (0.49–1.33) | n.s. |
| LM resection | − 0.20 | 0.14 | 0.81 (0.61–1.08) | n.s. |
| LM repair | 0.47 | 0.29 | 1.60 (0.89–2.86) | n.s. |
| Cartilage injury | − 0.12 | 0.13 | 0.88 (0.67–1.15) | n.s. |
| Post-operative (6 months) | ||||
| Quadriceps strength LSI ≥ 90% | 0.29 | 0.11 | 1.34 (1.07–1.67) | 0.01* |
| Hamstring strength LSI ≥ 90% | − 0.03 | 0.10 | 0.97 (0.79–1.19) | n.s. |
| Single-leg-hop test LSI ≥ 90% | 0.31 | 0.11 | 1.37 (1.09–1.71) | 0.005* |
PASS Patient-acceptable symptom state; KOOS Knee injury and Osteoarthritis Outcome Score; ADL activities of daily living; ACLR anterior cruciate ligament reconstruction; HT hamstring tendon; MM medial meniscus; LM lateral meniscus; LSI limb symmetry index; SE standard error; OR odds ratio; CI confidence interval
*Statistically significant. P value < 0.05