Table 2.
Results of regression analyses to assess the association between radiographic severity of lumbar spine degeneration and pre- and postoperative WOMAC and SF-36 scores
| Parameter | β coefficient | p value |
|---|---|---|
| WOMAC pain score | ||
| Pre-TKA | 0.077 | 0.277 |
| 2 years post-TKA | −0.028 | 0.713 |
| WOMAC function score | ||
| Pre-TKA | −0.017 | 0.804 |
| 2 years post-TKA | 0.010 | 0.912 |
| SF-36 PCS score | ||
| Pre-TKA | −0.001 | 0.993 |
| 2 years post-TKA | −0.045 | 0.508 |
| SF-36 MCS score | ||
| Pre-TKA | 0.117 | 0.103 |
| 2 years post-TKA | 0.092 | 0.167 |
PCS = physical component summary; MCS = mental component summary.