RESULTS	Fatigue scores fell significantly during methylphenidate intake in comparison with baseline ( mean difference : -0.7 , P = .010 for VAS ; mean difference : -11.8 , P < .0001 for CIS ) and in comparison with placebo ( mean difference : -1.0 , P = .001 for VAS ; mean difference : -9.7 , P < .0001 for CIS ) .\