Table 3.
Comparison of radiographic parameter between PLBP group and N-PLBP group
| Variables | PLBP group (n=16) | N-PLBP group (n=205) | p-value |
|---|---|---|---|
| Preoperative lumbar lordosis | 26.2±6.7 | 24.6±2.9 | 0.070 |
| Correction of lumbar lordosis | 2.4±1.0 | 1.9±0.9 | 0.079 |
| Modic changes | 2/14 | 32/172 | 0.734 |
| Preoperative paraspinal muscle degeneration (FIR) | 15.6±6.6 | 11.5±7.3 | 0.031 |
Abbreviations: PLBP, persistent low back pain; N-PLBP, non-persistent low back pain; FIR, fatty infiltration rate.