Table 3.
Significant predictors and confidence interval outcomes for KOOS pain scores 6 years after ACL reconstruction
| Predictor | (comparison) | Coefficient | (95% CI) | Worse Outcome |
|---|---|---|---|---|
| Baseline score | 2.28 | (1.81–2.87) | Lower baseline | |
| Follow up time | (2 years vs. 6 years) | 1.63 | (1.26–2.11) | 2 years |
| Age | N.S. | |||
| Gender | (male vs. female) | N.S. | ||
| BMI | (23 vs. 28) | 0.84 | (0.73–0.95) | Higher BMI |
| Smoking status | (never vs. quit) | 0.58 | (0.42–0.80) | Quit smoking |
| (never vs. current) | 0.58 | (0.41–0.83) | Current smoker | |
| Education | (12 vs. 16 years) | 1.39 | (1.14–1.70) | Less education |
| Baseline Marx | N.S. | |||
| Reconstruction type | (primary vs. revision) | 0.49 | (0.36–0.68) | Revision |
| Graft source | (BTB vs. hamstring) | N.S. | ||
| Prior ACL other knee | (yes vs. no) | N.S. | ||
| Medial meniscus repair | (no tear vs. repair) | 0.68 | (0.52–0.88) | repair |
| Medial meniscectomy | (no tear vs. 17% excised) | N.S. | ||
| (no tear vs. 33% excised) | N.S. | |||
| (no tear vs. 50% excised) | 2.11 | (1.23–3.64) | No tear | |
| Lateral meniscus | (no tear vs. no treatment) | 1.64 | (1.29–2.09) | No tear |
| Lateral meniscus repair | (no tear vs. repair) | N.S. | ||
| Lateral meniscectomy | (no tear vs. 50% excised) | N.S. | ||
| (no tear vs. 67% excised) | N.S. | |||
| MFC cartilage | (nl/grade 1 vs. grade 4) | 0.46 | (0.25–0.83) | Grade 4 |
| (nl/grade 1 vs. grade 2) | N.S. | |||
| LFC cartilage | (nl/grade 1 vs. grade 3) | N.S. | ||
| (nl/grade 1 vs. grade 4) | N.S. | |||
| MTP cartilage | (grade 2 vs. grade 3/4) | 0.39 | (0.17–0.90) | Grade 3/4 |
| LTP cartilage | (nl/grade 1 vs. grade 2) | 1.47 | (1.05–2.08) | nl/grade 1 |
| (grade 2 vs. grade 3/4) | 0.48 | (0.25–0.95) | Grade 3/4 | |
| Trochlea | (nl/grade 1 vs. grade 3/4) | N.S. |
Significant predictors of outcome for KOOS pain scores 6 years after ACL reconstruction (p<0.05). (MFC – medial femoral condyle, LFC – lateral femoral condyle, MTP – medial tibial plateau, LTP – lateral tibial plateau, nl – normal, N.S. – not significant)