Table 3.

Percentages of subjects judged as having improved on the Clinical Global Impression (CGI) Scale at week 16 for ADHD and tics

ObserverADHDTics
Placebo, %MPH, %CLON, %MPH + CLON, %Placebo, %MPH, %CLON, %CLON + MPH, %
p Values represent comparisons of each active treatment group with the placebo group.
ADHD = attention deficit hyperactivity disorder; MPH = methylphenidate; CLON = clonidine.
Parent36.775.060.684.429.052.869.771.9
p = 0.003p = 0.08p = 0.0002p = 0.08p = 0.002p = 0.001
Teacher31.066.756.387.533.365.763.378.1
p = 0.006p = 0.07p < 0.0001p = 0.01p = 0.04p = 0.0007
Investigator32.380.660.687.528.144.466.775.0
p < 0.0001p = 0.03p < 0.0001p = 0.21p = 0.002p = 0.0004