Table 2: Childhood Autism Rating Scale (CARS), Autism Treatment Evaluation Checklist (ATEC) scale, Children’s Global Assessment Scale (CGAS), Clinical Global Impression-Severity (CGI-Severity), and Clinical Global Impression-Improvement (CGI-Improvement) in the active tDCS () and the sham () group at baseline and 7 days posttreatment.

ParametersBaselineSeven days posttreatment
tDCSShamtDCSSham
MeanS.D.MeanS.D.MeanS.D.MeanS.D.

CARS 34.954.7334.64.4132.2*###3.98354.3
ATEC
 Language 10.65.5910.754.7210.55.3910.555.2
 Social 16.44.517.452.6714.45*##4.8517.72.98
 Sensory and cognitive awareness 20.13.9120.53.418.35*5.3522.34.47
 Health and behavioral problem 20.158.3420.457.2114.7*##6.2119.16.47
 Total67.259.8869.158.9858***###5.8269.659.13
CGAS 54.3511.0753.3510.3160*###10.5753.110.14
CGI-Severity 4.050.944.150.99

%%

CGI-Improvement
 Very much improved 0000
 Much improved 9&45315
 Minimally improved 840420
 No change 15630
 Minimally worse 210210
 Much worse 0&0525
 Very much worse 0000

Mean value was significantly different between groups , (one-way ANOVA), (chi-square test).
Mean value was significantly different from that at baseline , (paired -test).