Changes in cerebral glucose metabolism after 3 weeks of noninvasive electrical stimulation of mild cognitive impairment patients

Table 1 Clinical characteristics during the baseline assessment

	Real tDCS group, mean (SD)	Sham tDCS group, mean (SD)	p value	Mann–Whitney U test
Age (years)	74.75 (7.47)	73.12 (4.25)	0.60	U = 30.50, p = 0.87
Education (years)	8.06 (4.93)	5.56 (2.41)	0.22	U = 19.50, p = 0.19
Mini-Mental State Examination	26.75 (1.58)	25.12 (2.74)	0.16	U = 18.50, p = 0.16
Clinical Dementia Scale	0.25 (0.26)	0.50 (0.26)	0.08	U = 18.00, p = 0.16
Gender (male/female)	3/5	2/6	χ² = 2.25 p = 0.13	χ² = 2.25, p = 0.13
Hopkins Verbal Learning Test	4.37 (3.42)	3.12 (3.22)	0.46	U = 25.00, p = 0.50

ISSN: 1758-9193