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Table 1 Clinical data

From: Comparison of alterations in cerebral hemoglobin oxygenation in late life depression and Alzheimer’s disease as assessed by near-infrared spectroscopy

  Controls Depression Alzheimer’s Disease Statistics Post hoc comparisons
  (n = 33) (n = 30) (n = 28) D vs AD D vs HC AD vs HC
Male:Female 11:22 9:21 10:18 χ2 = 0.22, df = 2, p = 0.90    
Age (years) 69.6 ± 5.5 71.1 ± 6.8 76.6 ± 6.9 F = 9.66 p < 0.001 p = 0.005 p = 0.603 p < 0.001
MMSE score 29.2 ± 1.2 26.6 ± 2.3 21.6 ± 4.4 F = 52.7 p < 0.001 p < 0.001 p = 0.002 p < 0.001
FAB score 16.1 ± 1.2 14.1 ± 2.7 12.0 ± 3.2 F = 20.1 p < 0.001 p = 0.008 p = 0.005 p < 0.001
CDR score 0 0.05 ± 0.2 0.8 ± 0.4 p < 0.001 p < 0.001 p = 0.065 p < 0.001
HAMD score 0.2 ± 0.8 10.7 ± 8.9 4.4 ± 7.1 F = 20.3 p < 0.001 p = 0.001 p < 0.001 p = 0.037
VFT performance 41.3 ± 7.9 33.2 ± 12.2 33.9 ± 10.1 F = 6.19 p = 0.003 p = 0.963 p = 0.006 p = 0.015
Benton Judgment of Line Orientation performance 22.6 ± 6.6 12.5 ± 4.2 13.7 ± 8.5 F = 21.6 p < 0.001 p = 0.779 p < 0.001 p < 0.001
  1. Continuous values are shown as the means ± standard deviation. Abbreviations: AD Alzheimer’s disease, CDR Clinical Dementia Rating, D depression, df degrees of freedom, FAB Frontal Assessment Battery, HAMD Hamilton Rating Scale for Depression, HC healthy controls, MMSE Mini Mental State Examination, χ2 Chi-squared value.