Demographics, VNPS, and RMDI outcomes by approach
| Approach Group | Overall | Anterolateral | Posterior | P Value | |||
|---|---|---|---|---|---|---|---|
| No. | Mean | No. | Mean | No. | Mean | ||
| Age (yr) | 247 | 54.0 ± 12.1 | 77 | 53.3 ± 11.1 | 170 | 54.4 ± 12.6 | .533 |
| Male (%) | 144 | 58.3 | 96 | 62.3 | 48 | 56.5 | .386 |
| Pain pre | 219 | 5.3 ± 2.3 | 69 | 5.4 ± 2.3 | 150 | 5.1 ± 2.4 | .373 |
| Pain immediate | 246 | 1.7 ± 1.9 | 77 | 1.3 ± 1.7 | 169 | 1.8 ± 2.0 | .030 |
| Pain 2 weeks post | 172 | 3.3 ± 2.5 | 50 | 3.2 ± 2.4 | 122 | 3.6 ± 2.8 | .641 |
| Pain 2 months post | 120 | 2.9 ± 2.3 | 32 | 2.9 ± 2.3 | 88 | 3.0 ± 2.5 | .952 |
| RMDI pre | 219 | 9.3 ± 5.2 | 69 | 9.2 ± 5.7 | 150 | 9.3 ± 4.9 | .671 |
| RMDI 2 weeks post | 172 | 6.8 ± 4.2 | 50 | 7.0 ± 4.2 | 122 | 6.7 ± 4.3 | .613 |
| RMDI 2 months post | 120 | 5.0 ± 3.4 | 32 | 4.9 ± 3.4 | 88 | 5.1 ± 3.8 | .969 |
Note:—pre indicates before procedure; post, after procedure.