Comparison 2. Pregabalin versus placebo: safety.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
2.1 Withdrawals	1		Risk Difference (M‐H, Fixed, 95% CI)	Subtotals only
2.1.1 Number of withdrawals	1	22	Risk Difference (M‐H, Fixed, 95% CI)	‐0.09 [‐0.48, 0.30]
2.1.2 Withdrawal due to adverse events	1	22	Risk Difference (M‐H, Fixed, 95% CI)	0.18 [‐0.13, 0.50]
2.1.3 Withdrawals for other reasons	1	22	Risk Difference (M‐H, Fixed, 95% CI)	‐0.27 [‐0.55, 0.01]
2.2 Adverse events	1	22	Risk Difference (M‐H, Fixed, 95% CI)	0.18 [‐0.13, 0.50]