Table 4.
Factors affecting the achievement of a PASS on the KOOS Symptoms (≥ 57.1) subscale
| Factor | Regression coefficient (ß) | SE | OR (95% CI) | P value |
|---|---|---|---|---|
| Pre-operative | ||||
| Age ≥ 30 years | 0.52 | 0.23 | 1.68 (1.06–2.67) | 0.02* |
| Female gender | − 0.07 | 0.20 | 0.92 (0.61–1.39) | n.s. |
| Delayed (> 3 months) ACLR | 0.23 | 0.24 | 1.26 (0.78–2.05) | n.s. |
| Pre-injury Tegner activity level ≥ 6 | − 0.24 | 0.36 | 0.78 (0.37–1.61) | n.s. |
| Intra-operative | ||||
| HT autograft | 0.30 | 0.36 | 1.35 (0.66–2.78) | n.s. |
| MM resection | 0.72 | 0.40 | 2.06 (0.93–4.56) | n.s. |
| MM repair | − 0.22 | 0.42 | 0.79 (0.34–1.84) | n.s. |
| LM resection | − 0.39 | 0.27 | 0.67 (0.39–1.14) | n.s. |
| LM repair | − 0.49 | 0.46 | 0.60 (0.24–1.51) | n.s. |
| Cartilage injury | 0.16 | 0.29 | 1.81 (0.65–2.12) | n.s. |
| Post-operative (6 months) | ||||
| Quadriceps strength LSI ≥ 90% | 0.48 | 0.24 | 1.62 (1.00–2.63) | 0.04* |
| Hamstring strength LSI ≥ 90% | − 0.19 | 0.21 | 0.82 (0.54–1.24) | n.s. |
| Single-leg-hop test LSI ≥ 90% | 0.34 | 0.22 | 1.41 (0.91–2.17) | n.s. |
PASS Patient-acceptable symptom state; KOOS Knee injury and Osteoarthritis Outcome Score; 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