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Subgroup analysis of the adverse events between gabapentin and pregabalin groups
| Events | Incidence (number/total) | Heterogeneity | Effect model | Meta-analysis | |||
|---|---|---|---|---|---|---|---|
| Gabapentin | Pregabalin | I2 (%) | P | Relative risk (95% CI) | P | ||
| Sedation | 7/24 | 12/25 | – | – | Fixed | 0.61 [0.29,1.28] | 0.19 |
| Dizziness | 0/24 | 1/25 | – | – | Fixed | 0.35 [0.01,8.12] | 0.51 |
| Somnolence | 6/24 | 11/25 | – | – | Fixed | 0.57 [0.25,1.29] | 0.18 |
| Edema | 1/24 | 1/25 | – | – | Fixed | 1.04 [0.07,15.73] | 0.98 |
