Figure 1From: Efficacy of two once-daily methylphenidate formulations compared across dose levels at different times of the day: Preliminary indications from a secondary analysis of the COMACS study data Mean (± SE) of placebo-adjusted total SKAMP scores for each comparison. Lower SKAMP scores indicate greater efficacy. Asterisks indicate MCD was significantly better than CON (p < 0.05) while crosses indicate CON was significantly better than MCD (p < 0.05).Back to article page