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. 2010 Feb 17;2010(2):CD003499. doi: 10.1002/14651858.CD003499.pub3

Comparison 3. Phenytoin/diphenylhydantoin versus placebo.

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
1 Non‐compliance: leaving the study early, any reason 1 20 Odds Ratio (M‐H, Fixed, 95% CI) 0.76 [0.10, 5.96]
2 Adverse events, nausea 1 60 Odds Ratio (M‐H, Fixed, 95% CI) 1.0 [0.06, 16.76]