[A Meta-analysis of the effectiveness of risperidone versus traditional agents for Tourette's syndrome].

Objective: To evaluate the efficacy and safety of risperidone versus traditional agents in treating Tourette's syndrome.

Methods: Randomized, controlled trials (RCTs) of risperidone versus traditional agents for Tourette's syndrome were identified, and eligible studies were included according to our established strategy. Besides methodological quality of inclusive trials, assessed by the Jadad scale, heterogeneity test, Meta-analysis, funnel plot analysis, subgroup analysis and sensitivity analysis were used to analyze the data.