Table 3.
Preoperative values, and outcome improvement in diagnostic groups
| Variable | Other lumbar spinal disorders | Herniation | ||||
|---|---|---|---|---|---|---|
| Outcomes | Preoperative [Mean (SD)] | Improvement [Mean (SD)] | Significance (P value)a | Preoperative [Mean (SD)] | Improvement [Mean (SD)] | Significance (P value)a |
| VAS lumbar | 74.8 (22.3) | 24.3 (31.9) | <0.001 | 70.2 (23.5) | 35.3 (28.7) | <0.001 |
| VAS MMII | 75.0 (24.3) | 33.5 (38.7) | <0.001 | 82.4 (19.0) | 48.4 (33.5) | <0.001 |
| ODI | 44.1 (17.5) | 14.7 (21.3) | <0.001 | 46.0 (17.7) | 29.2 (22.0) | <0.001 |
| SPC-SF-36 | 29.3 (8.1) | 6.3 (11.6) | <0.001 | 29.1 (7.5) | 12.3 (13.4) | <0.001 |
Improvement difference between preoperative and after 1 year values with positive clinical significance
SPC-SF-36 standardized physical component
aNon paremetric Wilcoxon test (preoperative vs. after 1 year)