Table 2.
Demographic characteristics and raw cognitive test performance scores of sample (N=165).
| Characteristic | Mean (SD) / Median (range) |
|---|---|
| Age (years) | 75.5 (5.9) |
| Sex (% Female) | 37 |
| Education (years) | 13.9 (3.0) |
| Race (% White) | 94.5 |
| Past stroke or transient ischemic attack (%) | 12.7 |
| Medical comorbidities (Charlson Comorbidity Index)c | 1.0 (0 – 5) |
| Body Mass Indexc | 28.8 (17.2 – 52.9) |
| Geriatric Depression Scalea,c | 2.0 (0 – 20) |
| Mini-Mental Status Examinationb | 27.7 (1.6) |
| Rey Complex Figure Long Delay Free Recall | 14.1 (6.0) |
| Boston Naming Test (BNT)c | 55.0 (22 – 60) |
| Animal Fluency total | 18.2 (5.0) |
| HVLT-R Delayed Recall total | 7.3 (2.5) |
| Judgment of Line Orientation (JOLO) total | 20.7 (5.6) |
| Trail Making Test – Part A (time to completion)c | 46.0 (22 – 213) |
| Trail Making Test – Part B (time to completion)c | 109.0 (51 – 301) |
| Trail Making Test – B-Ac | 63.0 (−2 – 256) |
| Digit Span Test – Forward total | 9.5 (1.9) |
| Digit Span Test – Backward total | 6.1 (2.4) |
| Digit Span Test Total | 15.54 (3.77) |
a
Maximum = 30 (worst).
b
Maximum = 30 (best).
c
Median (range) reported for variables not normally distributed.