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Risk of anxiety in children with attention-deficit/hyperactivity disorder (ADHD) treated with psychostimulants compared with placebo. Meta-analysis demonstrated a significantly decreased risk of anxiety when comparing psychostimulant to placebo (relative risk [RR] = 0.86 [95% CI: 0.77, 0.95], z = −2.90, p = 0.004). There was no significant evidence of heterogeneity or publication bias.
