Table 1.

Clinical and demographic variables according to injured area (cortical and subcortical) and presence or absence of motor evoked potential (MEP) at baseline assessment.

	Injury location			Motor evoked potential
	Cortical	Subcortical	p	Present	Absent	p
N	23	33	–	29	27	–
Age (years)*	8.1 (1.7)	7.5 (1.9)	0.48	8.0 (2.0)	7.8 (2.1)	0.71
Active tDCS	7.3 (1.6)	7.1 (1.1)	0.23	7.6 (1.6)	7.9 (1.9)	0.75
Sham tDCS	7.5 (1.8)	7.8 (1.1)	0.76	8.1 (1.3)	7.6 (2.2)	0.81
GMFCS (I/II/III)**	1/10/12	4/13/16	0.51	3/14/12	2/9/16	0.46
Active tDCS	0/5/5	3/10/10	0.48	1//10/8	1/4/9	0.47
Sham tDCS	1/5/7	1/3/6	0.91	2/4/4	1/5/7	0.94
Hemiparetic/Diparetic**	2/21	3/30	0.92	4/25	1/26	0.80
Active tDCS	1/9	2/21	0.40	3/16	1/13	0.41
Sham tDCS	1/12	1/9	0.84	1/9	0/13	0.37
6MWT (m)*	252.4 (62.7)	241.4 (70.2)	0.54	261.3 (98.4)	249.9 (80.2)	0.45
Active tDCS	242.3 (25.1)	250.5 (57.8)	0.98	261.2 (20.6)	242.3 (25.1)	0.30
Sham tDCS	227.9 (40.8)	251.0 (49.9)	0.06	249.4 (43.3)	227.7 (40.8)	0.25
Gait speed (m/s)*	0.58 (0.17)	0.55 (0.12)	1.0	0.61 (0.13)	0.54 (0.12)	0.04
Active tDCS	0.54 (0.07)	0.57 (0.05)	0.53	0.55 (0.06)	0.54 (0.007)	0.05
Sham tDCS	0.51 (0.16)	0.48 (0.11)	0.03	0.48 (0.07)	0.48 (0.06)	0.08
Gait profile score (°)*	11.3 (2.1)	12.1 (2.9)	0.23	11.9 (3.1)	11.2 (1.7)	0.30
Active tDCS	11.8 (0.6)	11.5 (1.0)	0.06	11.2 (0.5)	11.2 (0.6)	0.28
Sham tDCS	11.3 (0.6)	11.3 (1.0)	0.61	10.9 (0.6)	10.9 (0.7)	0.33
MEP (mV)*	1.5 (0.5)	1.6 (0.4)	0.42	1.6 (0.7)	–	–
Active tDCS	0.9 (0.6)	0.8 (0.7)	0.78	1.3 (0.2)	–	–
Sham tDCS	0.7 (0.4)	0.7 (0.6)	0.93	1.2 (0.3)	–	–
Active tDCS (%)	10 (43.7%)	23 (69.6%)		19 (65.5%)	14 (51.8%)

Legend: GMFCS, gross motor function classification system; tDCS, transcranial direct current stimulation; 6MWT (m), six-minute walk test; MEP, motor evoked potential. *Data expressed as mean and standard deviation. Analyses performed with unpaired t-test. **Numbers indicate frequency (n) of children in each group. Analyses performed with Chi-square.