Table 4.
Multivariate logistic regression analysis of risk factors for PCL injury
| Variables | β | S.E | Z | P | OR (95%CI) |
|---|---|---|---|---|---|
| Intercept | −66.681 | 29.619 | −2.251 | 0.024 | 0.000 (0.000 ~ 0.000) |
| Age, y | 0.017 | 0.017 | 0.990 | 0.322 | 1.017 (0.983 ~ 1.052) |
| Proximal Tibial Angle,° | 0.137 | 0.089 | 1.537 | 0.124 | 1.146 (0.963 ~ 1.365) |
| Distal Femoral Angle,° | 0.301 | 0.121 | 2.493 | 0.013 | 1.351 (1.067 ~ 1.712) |
| Intercondylar Notch Width, mm | −0.386 | 0.147 | −2.627 | 0.009 | 0.680 (0.510 ~ 0.907) |
| Bicondylar Width, mm | −0.164 | 0.068 | −2.418 | 0.016 | 0.849 (0.743 ~ 0.969) |
| Intercondylar Notch Depth, mm | 0.703 | 0.172 | 4.075 | < 0.001 | 2.019 (1.440 ~ 2.831) |
| Intercondylar Angle,° | 0.228 | 0.054 | 4.188 | < 0.001 | 1.256 (1.129 ~ 1.397) |
| Posterior Tibial Slope Angle,° | −0.272 | 0.060 | −4.514 | < 0.001 | 0.762 (0.677 ~ 0.857) |
| BMI | 0.630 | 0.558 | 1.129 | 0.259 | 1.877 (0.629 ~ 5.599) |
| Pain Duration, m | 0.001 | 0.023 | 0.054 | 0.957 | 1.001 (0.957 ~ 1.048) |
| Height, cm | 0.113 | 0.163 | 0.696 | 0.487 | 1.120 (0.814 ~ 1.542) |
| Weight, kg | −0.209 | 0.186 | −1.120 | 0.263 | 0.811 (0.563 ~ 1.169) |
OR Odds Ratio, CI Confidence Interval