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. 2011 Oct;21(5):445–454. doi: 10.1089/cap.2010.0082

Table 4.

Crossover Analysis of the Swanson, Kotkin, Agler, M-Flynn, and Pelham Scale-D Global Scores (Mean Value from Hours 1 to 3 of School) Comparing the Three Methylphenidate Preparations; n is the Number of Attention-Deficit/Hyperactivity Disorder Children and Adolescents with Complete Data on the Relevant Variables

 
p-value and effect size estimators (one-sided 97.5% confidence intervala)
Hypothesis tested ITT-population (n=101) “Best” case scenario (n=107) “Worst” case scenario (n=107) PP-population (n=89)
I. Test for noninferiorityb,c of Medikinet retard with a higher IR component and approximately equivalent daily dose versus Concerta p<0.0001 (−∞, −0.217) p<0.0001 (−∞, −0.242) p<0.0001 (−∞, −0.207) p<0.0001 (−∞, −0.199)
IIa. Test for superiorityb of Medikinet retard with a higher IR component and approximately equivalent daily dose versus Concerta 0.0009 0.0005 0.0036 0.0004
IIb. Test for noninferiorityb,c of Medikinet retard with similar IR components and a lower daily dose versus Concerta p<0.0001 (−∞, +0.051) p<0.0001 (−∞, +0.042) p<0.0001 (−∞, +0.072) p<0.0001 (−∞, +0.038)
a

If the confidence interval is completely negative, Medikinet retard is shown to be superior.

b

According to the method of Duchateau et al. (2002).

c

Δ is the noninferiority margin, that is, Medikinet retard is allowed to be slightly worse than Concerta.

ITT=intent-to-treat; PP=per-protocol;