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Table 2: 
Clinical characteristics of the patients
CharacteristicsTotal (n = 43)Included in Quantitative Analysis (n = 40)a
Male (%)27 (62.8%)25 (62.5%)
Age (median) (range) (yr)72 (18–86)70 (18–86)
20-Channel coil (%)19 (46.3%)17 (37.8%)
Research study (%)12 (27.9%)11 (24.4%)
Study indication
 Cognitive impairment18 (41.9%)18 (45.0%)
 Chronic white matter disease8 (18.6%)7 (17.5%)
 Parkinsonism5 (11.6%)5 (12.5%)
 Stroke5 (11.6%)4 (10.0%)
 Traumatic brain injury3 (7.0%)2 (5.0%)
 Ataxia2 (4.7%)2 (5.0%)
 Epilepsy1 (2.3%)1 (2.5%)
 Mitochondrial disease1 (2.3%)1 (2.5%)
  • ↵a Three subjects were excluded from the FreeSurfer quantitative analysis due to large structural changes and/or severe motion artifact resulting in failure of the automated FreeSurfer longitudinal processing stream.