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Sensitivity of tests to assess improvement in ADHD symptomatology
Natalie Grizenko1, Martin Lachance, Vincent Collard
1Department of Psychiatry, McGill University.
Objective:
To assess which measurements best predict improvement on ADHD symptomatology after medication is given.
Methods:
147 children aged 6 to 12 years, diagnosed with ADHD, participated in a double-blind placebo controlled twoweek crossover trial of methylphenidate.
Results:
There were statistically significant differences on all measures between placebo and medication. Effect size for the overall group was 0.33 (CGI-P), 0.80 (CGI-T), 1.33 (CGI), 0.56 (CPT), 0.82 (RASS).
Conclusions:
Acute behavioural response measures, where children are observed by clinicians (RASS and CGI), were overall more reliable than parent reports in detecting improvement on ADHD symptomatology. Teacher reports were also very important, especially in the 9 to 12 year old group.
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