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) |
If the confidence interval is completely negative, Medikinet retard is shown to be superior.
According to the method of Duchateau et al. (2002).
Δ is the noninferiority margin, that is, Medikinet retard is allowed to be slightly worse than Concerta.
ITT=intent-to-treat; PP=per-protocol;