An observational study of once-daily modified-release methylphenidate in ADHD: the effect of previous treatment on ADHD symptoms, other externalising symptoms and quality-of-life outcomes.

Eur Child Adolesc Psychiatry · 2011 · PMC3098980 · PMID 21901414

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hedged sentence

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highly significantno p-value reported

The main effect of time was highly significant on all outcome measures (data not shown), indicating significant symptom improvement across the three assessment points.

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