Table 2 Comparisons of VAS score and ODI of patients between K-rod group and PLIF (−x ± s)
From: The effect of posterior lumbar dynamic fixation and intervertebral fusion on paraspinal muscles
| Â | VAS | P value | ODI | P value | ||
|---|---|---|---|---|---|---|
Preoperative | postoperative | Preoperative | postoperative | |||
K-rod group | 5.95 ± 1.18 | 1.05 ± 0.62 |  | 59.87 ± 4.68 | 9.37 ± 4.40 |  |
PLIF group | 6.53 ± 0.91 | 2.53 ± 0.61 |  | 60.26 ± 7.45 | 18.42 ± 3.75 |  |
Group×Rep |  |  | 0.001** |  |  | < 0.001*** |
Group |  |  | < 0.001*** |  |  | 0.003** |
Rep |  |  | < 0.001*** |  |  | < 0.001*** |