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Table 1 List of tests conducted at each visit

From: Effect of home-based transcranial direct current stimulation (tDCS) on cognitive function in patients with mild cognitive impairment: a study protocol for a randomized, double-blind, cross-over study

Phase Screening Treatment I Washout Treatment II Follow-up
Day 0 1 14 28 42 56
Visit S1 T1 T2 T3 T4 F1
Visual recognition task   O O O O O
Neuropsychological testa   O O O O O
Basal symptom and sign O O O O O O
Vital signb O O O O O O
Questionnaired   O O O O O
Concomitant medication check O O O O O O
Adverse event check   O O O O O
  1. aNeuropsychological tests: CERAD, letter number sequencing, spatial span
  2. bSitting systolic/diastolic blood pressure, pulse, and temperature were measured
  3. cCGI: not measured at screening
  4. dQuestionnaires for investigator, subject, and guardian were administered for efficacy assessment
  5. For investigator: MARDRS/HAMD/HAMA
  6. For subject: STAI/PSQI/Hand Function Rating Scale
  7. For guardian: NPI