| Number of | Percent with outcome | |||||
| Outcome | Studies | Participants | Gabapentin | Placebo | Risk ratio (95% CI) | NNT (95% CI) |
| At least 50% pain intensity reduction | 1 | 305 | 21 | 14 | 1.5 (0.9 to 2.4) | not calculated |
| PGIC very much improved | 1 | 305 | 12 | 6 | 2.0 (0.9 to 4.3) | not calculated |
| PGIC much or very much improved | 1 | 305 | 31 | 14 | 2.2 (1.4 to 3.4) | not calculated |
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