Table 2.
Preoperative estimation of mean values of VAS, ODI and JOA for patients between SLR positive and negative (mean ± SD).
| SLR | Preoperative VAS (lumbar) | Preoperative VAS (leg) | Preoperative ODI | Preoperative JOA |
|---|---|---|---|---|
| Total | 4.09 ± 3.16 | 7.06 ± 2.40 | 58.08 ± 20.47 | 11.84 ± 4.56 |
| Positive (0°–30°) | 3.69 ± 2.52 | 6.47 ± 1.78 | 49.34 ± 17.62 | 13.53 ± 2.93 |
| Positive (31°–60°) | 4.00 ± 3.38 | 7.14 ± 2.46 | 59.02 ± 19.77 | 11.57 ± 4.64 |
| Negative (61°–) | 4.58 ± 3.19 | 7.35 ± 2.68 | 62.60 ± 22.48 | 11.15 ± 5.17 |
| X2, p = 0.614 | X2, p = 0.114 | X2, p = 0.065 | X2, p = 0.076 |
SLR straight leg raising test, VAS visual analog scale, ODI Oswestry Disability Index, JOA Japanese Orthopedic Association.
*Statistically significant (P < 0.05).