Acute HZ (≤ 30 days) | P value | ||
---|---|---|---|
Contrast group (n = 57) | Stimulation group (n = 57) | ||
Baseline pain score | 7.4 ± 1.5 | 7.2 ± 1.5 | P = 0.28 |
Pain scorea immediately after epidural procedure | 3.5 ± 2.0 | 2.9 ± 1.8 | P = 0.25 |
Pain scorea 14 days after epidural procedure | 2.8 ± 1.9 | 1.7 ± 0.8 | P = 0.001 |
Pain scorea 1 month after epidural procedure | 3.0 ± 2.1 | 1.9 ± 1.1 | P = 0.01 |
Pain scorea 3 months after epidural procedure | 2.6 ± 1.8 | 1.5 ± 1.2 | P = 0.001 |
Pain scorea 6 months after epidural procedure | 2.2 ± 1.8 | 1.3 ± 1.1 | P = 0.01 |