Table 2:
Clinical characteristics of the patients
| Characteristics | Total (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 impairment | 18 (41.9%) | 18 (45.0%) |
| Chronic white matter disease | 8 (18.6%) | 7 (17.5%) |
| Parkinsonism | 5 (11.6%) | 5 (12.5%) |
| Stroke | 5 (11.6%) | 4 (10.0%) |
| Traumatic brain injury | 3 (7.0%) | 2 (5.0%) |
| Ataxia | 2 (4.7%) | 2 (5.0%) |
| Epilepsy | 1 (2.3%) | 1 (2.5%) |
| Mitochondrial disease | 1 (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.