Table 1.
Summary of the patients and their treatment results.
| No | Site | Previous Surgery |
PreOP ODI | ODI 1 Month |
ODI 6 Months |
ODI 12 Months |
PreOP VAS | VAS 1 Month |
VAS 6 Months |
VAS 12 Months |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Both | RFA * | 35 | 1 | 5 | 5 | 7 | 1 | 0 | 1 |
| 2 | Both | Fusion, L3-5 | 25 | 4 | 10 | 10 | 7 | 2 | 1 | 0 |
| 3 | Left | Caudal block | 40 | 10 | 10 | 10 | 7 | 1 | 2 | 1 |
| 4 | Right | Caudal block | 28 | 13 | 10 | 10 | 7 | 1 | 2 | 1 |
| 5 | Both | Fusion, L4-S1 | 40 | 23 | 16 | 22 | 8 | 1 | 2 | 2 |
| 6 | Right | Epidural block | 26 | 10 | 10 | 9 | 7 | 1 | 1 | 1 |
| 7 | Both | Epidural block | 31 | 18 | 18 | 15 | 7 | 1 | 1 | 1 |
| 8 | Left | Fusion, L4-5 | 30 | 16 | 16 | 16 | 7 | 1 | 2 | 1 |
| 9 | Right | Fusion, L4-S1 | 29 | 19 | 9 | 20 | 6 | 1 | 0 | 1 |
| 10 | Both | Fusion, L2-5 | 37 | 9 | 16 | 10 | 7 | 1 | 1 | 1 |
| 11 | Both | Fusion, L3-5 | 39 | 23 | 16 | 16 | 8 | 1 | 1 | 1 |
| 12 | Left | Discectomy, L5/S1 | 47 | 22 | 15 | 16 | 8 | 1 | 0 | 0 |
| 13 | Both | RFA | 30 | 5 | 5 | 5 | 7 | 1 | 0 | 0 |
| 14 | Both | Caudal block | 48 | 22 | 22 | 19 | 8 | 1 | 3 | 3 |
| 15 | Both | RFA | 35 | 7 | 9 | 9 | 6 | 2 | 1 | 1 |
| 16 | Both | RFA | 30 | 1 | 5 | 5 | 6 | 1 | 0 | 1 |
* RFA: Radiofrequency ablation.