Table 4.
Summary of Univariate Logistic Regression Analysis for Risk Factors Associated With Inferior Clinical Outcomes in Only Isolated, Primary PCLRa
| Variable | Odds Ratio | 95% CI | P |
|---|---|---|---|
| Isolated, primary PCLR risk factors for revision | |||
| Age | 0.99 | 0.91-1.08 | .167 |
| Sex | NA | ||
| Facility surgical volume | 1.05 | 0.97-1.13 | .243 |
| Patient subjective postoperative instability | 17.33 | 3.54-84.82 | <.001 |
| Same-day surgery | 1.03 | 0.31-3.40 | .962 |
| Postoperative VAS pain score ≥3 | 2.42 | 0.69-8.48 | .083 |
| Revision of other ligament(s) | 26.7 | 2.53-281.57 | .006 |
| Complication | 3.09 | 0.53-17.89 | .208 |
| Positive postoperative posterior drawer | 2.63 | 0.448-1.838 | .787 |
| Isolated, primary PCLR risk factors for overall surgical failure | |||
| Age | 0.98 | 0.92-1.03 | .374 |
| Sex | 3.26 | 0.35-30.22 | .298 |
| Facility surgical volume | 0.97 | 0.92-1.03 | .343 |
| Patient subjective postoperative instability | 6.96 | 2.65-18.29 | <.001 |
| Same-day surgery | 1.17 | 0.53-2.62 | .694 |
| Postoperative VAS pain score ≥3 | 2.62 | 1.13-6.02 | .023 |
| Repeat surgery | 2.65 | 1.06-6.61 | .037 |
| Positive postoperative posterior drawer | 1.16 | 0.49-2.75 | .738 |
| Junior enlisted rank | 3.21 | 1.01-10.26 | .049 |
| Senior enlisted rank | 2.40 | 0.81-7.13 | .116 |
aBolded P values indicate statistical significance (P < .05). NA, not applicable; PCLR, posterior cruciate ligament reconstruction; VAS, visual analog scale.