Pain severity subgroup analysis of the etiologic imaging findings for intra-articular facet and transforaminal corticosteroid injections
| Variable | Subgroups | |||
|---|---|---|---|---|
| Disk Herniation ± Spondylosis | Spondylosis | |||
| IFSI | TFSI | IFSI | TFSI | |
| Subjects (No.) | ||||
| It | 14 | 8 | 14 | 20 |
| At | 13 | 9 | 16 | 18 |
| VAS% (mean) (95% CI) | ||||
| It | 65.0 (31.2–98.9) | 8.0 (+20.2–36.2) | 30.1 (0.4–59.7) | +1.6 (+33.7–30.4) |
| At | 46.5 (9.4–83.6) | 22.7 (+6.6–51.9) | 23.6 (+6.7–53.9) | 5.6 (+27.1–38.2) |
Note:—VAS% indicates the relative difference between postintervention and baseline VAS pain scores; It, intention-to-treat analysis; At, as-treated analysis.