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. Author manuscript; available in PMC: 2014 Jun 16.
Published in final edited form as: Cochrane Database Syst Rev. 2008 Jan 23;(1):CD005612. doi: 10.1002/14651858.CD005612.pub2

Comparison 3. Pregabalin versus placebo: treatment withdrawal (any reason) - ITT.

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
1 Treatment withdrawal any  reason 6 Risk Ratio (M-H, Fixed, 95% CI) Subtotals only
 1.1 50 mg pregabalin 1 188 Risk Ratio (M-H, Fixed, 95% CI) 0.87 [0.40, 1.89]
 1.2 150 mg pregabalin 2 384 Risk Ratio (M-H, Fixed, 95% CI) 0.72 [0.41, 1.28]
 1.3 300 mg pregabalin 1 190 Risk Ratio (M-H, Fixed, 95% CI) 1.62 [0.85, 3.10]
 1.4 600 mg pregabalin 6 1372 Risk Ratio (M-H, Fixed, 95% CI) 1.65 [1.33, 2.04]
 1.5 Titrated dose of pregabalin (150-600 mg) 1 204 Risk Ratio (M-H, Fixed, 95% CI) 1.02 [0.61, 1.71]
 1.6 Any dose pregabalin 6 1868 Risk Ratio (M-H, Fixed, 95% CI) 1.39 [1.13, 1.72]