Patient-reported outcome in back pain (VAS back) and leg pain (VAS legs).
| Timepoint | VAS Back | VAS Legs | ||||
| Surgical Microscope | Surgical Loupes | P Value | Surgical Microscope | Surgical Loupes | P Value | |
| Baseline | 6.8 ± 3.2 | 6.0 ± 4.2 | 0.44 | 5.9 ± 3.5 | 7.4 ± 3 | 0.052 |
| 1 d | 2 ± 1.6 | 1.8 ± 1.8 | 0.725 | 1.1 ± 2.4 | 2.25 ± 2 | 0.381 |
| 1 mo | 1.5 ± 2.4 | 1.2 ± 2.3 | 0.538 | 0.8 ± 1.5 | 1.6 ± 2.5 | 0.192 |
| 3 mo | 1.4 ± 2.3 | 0.9 ± 2.3 | 0.478 | 1 ± 2.4 | 1.6 ± 2.5 | 0.453 |
| 6 mo | 1.5 ± 2.7 | 1.3 ± 2.4 | 0.719 | 1.2 ± 2.6 | 1.8 ± 2.6 | 0.489 |
| 12 mo | 0.9 ± 1.9 | 1.2 ± 2.3 | 0.702 | 0.6 ± 1.7 | 0.9 ± 1.7 | 0.615 |
Abbreviation: VAS, visual analog scale.
Data provided as mean ± SD.