Table 2.
Evaluation of pain relief in patients with neck pain caused by cervical disc herniation after RFA treatment
| Pre RFA (baseline) | 1 day after RFA | 1 month after RFA | 3 months after RFA | 6 months after RFA | p | |
|---|---|---|---|---|---|---|
| NRS scores, median (IQR) | 6 (4, 6) | 2 (1, 3) | 1 (0, 2) | 1 (0, 2) | 1 (1, 3) | < 0.001 |
| Pain relief after RFA | ||||||
| < 50% | 27 (16) | 21 (13) | 21 (13) | 35 (21) | ||
| ≥ 50% | 141 (84) | 147 (87) | 147 (87) | 133 (79) | ||
| = 100% | 27 (16) | 50 (30) | 51 (30) | 37 (22) | ||
IQR interquartile range, NRS numeric rating scale, RFA radiofrequency ablation