Impact of stimulant medication on behaviour and executive functions in children with attention-deficit/hyperactivity disorder

Table 3 Behaviour Rating Inventory of Executive Functioning-Second Edition parent symptom reports measured over the three-time points

Variable	BL T-score mean ± SD (n = 37)	BD T-score mean ± SD (n = 31)	BD-BL (P value)	FU T-score mean ± SD (n = 18)	FU-BD (P value)
Behavioural regulation index	72.43 ± 11.94	53.42 ± 8.78	P < 0.001	68.28 ± 13.23	P = 0.001
Metacognition index	74.76 ± 7.72	57.94 ± 8.48	P < 0.001	72.06 ± 9.51	P < 0.001

Mean scores on the BRIEF subscales; Behavioural Regulation Index and Metacognition Index as rated by parents at three-time points: (1) Baseline; (2) Best-dose; and (3) Follow-up. BL: Baseline; BD: Best-dose; FU: Follow-up.