Methylphenidate improves executive functions in patients with traumatic brain injuries: a feasibility trial via the idiographic approach

Table 4 Measures of executive functioning (Verbal Fluency, Digit Span) and affective measures (HADS-Hospital and Depression Scale) across assessment occasions (baseline, during methylphenidate and post-withdrawal of methylphenidate) among a sample of Omanis with traumatic brain injury

Category	Measure	Assessment	Min	Mean	Max	Std. Dev	p
Executive Functioning	Digit Span	Average baseline	3	4.00	6	0.81
		with methylphenidate	4	5.71	7	0.81	p < 0.001
		Average Post withdrawal	3	5.88	8	1.87	p < 0.001
	Verbal Fluency	Average baseline	3	9.33	16	2.96
		with methylphenidate	7	12.38	18	3.41	p < 0.001
		Average Post withdrawal	5	12.21	19	4.31	P = 0.008
Affective measures	HADS-Depression	Average baseline	2	7.02	13	2.63
		with methylphenidate	2	6.50	13	2.69	p = 0. 033
		Average Post withdrawal	2	6.54	13	2.89	p = 0. 150
	HADS-Anxiety	Average Baseline	2	6.77	15	3.45
		with methylphenidate	2	6.88	15	3.31	p = 0.732
		Average Post withdrawal	2	6.67	15	3.31	p = 0.719

ISSN: 1471-2377