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Table 1 Clinical characteristics during the baseline assessment

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

  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
  1. tDCS transcranial direct current stimulation