Table 3.
Factors affecting the achievement of a PASS on the KOOS pain (≥ 88.9) subscale
| Factor | Regression coefficient (ß) | SE | OR (95% CI) | P value |
|---|---|---|---|---|
| Pre-operative | ||||
| Age ≥ 30 years | 0.43 | 0.11 | 1.54 (1.23–1.92) | < 0.001* |
| Female gender | − 0.26 | 0.10 | 0.76 (0.62–0.94) | 0.01* |
| Delayed (> 3 months) ACLR | 0.04 | 0.13 | 1.04 (0.80–1.36) | n.s. |
| Pre-injury Tegner activity level ≥ 6 | − 0.01 | 0.16 | 0.98 (0.71–1.36) | n.s. |
| Intra-operative | ||||
| HT autograft | 0.29 | 0.21 | 1.34 (0.88–2.05) | n.s. |
| MM resection | 0.18 | 0.15 | 1.19 (0.88–1.62) | n.s. |
| MM repair | − 0.52 | 0.24 | 0.59 (0.36–0.96) | 0.03* |
| LM resection | − 0.11 | 0.14 | 0.88 (0.66–1.18) | n.s. |
| LM repair | 0.21 | 0.30 | 1.23 (0.68–2.24) | n.s. |
| Cartilage injury | 0.05 | 0.14 | 1.00 (0.76–1.32) | n.s. |
| Post-operative (6 months) | ||||
| Quadriceps strength LSI ≥ 90% | 0.30 | 0.11 | 1.35 (1.08–1.70) | 0.009* |
| Hamstring strength LSI ≥ 90% | − 0.02 | 0.10 | 0.97 (0.79–1.20) | n.s. |
| Single-leg-hop test LSI ≥ 90% | 0.14 | 0.11 | 1.15 (0.92–1.44) | 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