Table 6.

Swanson, Kotkin, Agler, M-Flynn, and Pelham Scale-D Global Scores Rated by Teachers During Hours 4–6 of School at Baseline and During Treatment of Children with Attention-Deficit/Hyperactivity Disorder with the Three Methylphenidate Preparations in the Intent-To-Treat-Population

	na	Mean	SD	Median
Baseline	70	0.71	0.60	0.60
Medikinet retard with a higher IR component and equivalent daily dose	63	0.63	0.63	0.43
Medikinet retard with similar IR component and reduced daily dose	67	0.71	0.64	0.50
Concerta	66	0.80	0.62	0.66
Differencesb Medikinet retard in equivalent daily dose–Concerta	57	−0.15	0.36	−0.16
Differencesb Medikinet retard in reduced daily dose–Concerta	57	−0.08	0.47	−0.13

^an is the number of children and adolescents with ADHD with complete data on the relevant variable.

^bIndividual difference ignoring period effects.