Computer-aided cognitive training combined with tDCS can improve post-stroke cognitive impairment and cerebral vasomotor function: a randomized controlled trial

Table 2 Intragroup and intergroup comparisons of MoCA scores in the four groups

Groups		MOCA			within group Difference¹		P (Between- Groups Difference²)
Groups		Pre	Post	Diff	t	P	Comparing to group 1	Comparing to group 4
CCT group		14.50 ± 5.70	16.89 ± 6.22	2.39 ± 1.75	-5.78	< 0.0001*	-	< 0.0001*
tDCS group		12.72 ± 6.32	16.06 ± 7.57	3.33 ± 4.35	-3.249	0.005*	0.391	0.0001*
CACT group		14.89 ± 5.83	17.28 ± 5.84	2.39 ± 2.91	-3.479	0.003*	1.000	< 0.0001*
CACT + tDCS group		14.78 ± 4.93	22.61 ± 4.39	7.83 ± 3.54	-9.4	< 0.0001*	< 0.0001*	-
Between- Groups Difference³	F	0.565	4.276	11.346
Between- Groups Difference³	P value	0.64	0.008*	< 0.0001*

Diff: difference; group1: CCT group; group 4: CACT + tDCS group; CCT: conventional cognitive training; tDCS: transcranial direct current stimulation; CACT: computer-aided cognitive training;
1: paired t test; 2: LSD post hoc test; 3: one-way ANOVA test;
* Statistically significant (P < 0.05)

ISSN: 1471-2377