Table 2.
Descriptive Statistics of Global Cognition, Three Domains of Cognition, and Short Physical Performance Battery (SPPB)
| Variable | Mean ± Standard Deviation |
|---|---|
| Global memory and cognition | |
| Memory Impairment Screen score | 6.44 ± 1.34 |
| Mini-Mental State Examination score | 26.35 ± 2.70 |
| Specific cognitive domains | |
| Attention (raw score) | |
| Star task (# correct) | 15.68 ± 0.64 |
| Digit Forward Span (score) | 5.78 ± 1.61 |
| Part 1 Tracking (# correct) | 21.14 ± 5.38 |
| Verbal memory (raw score) | |
| Word recognition (# correct) | 5.34 ± 0.94 |
| Word recall (# correct) | 1.95 ± 1.15 |
| Itemized recall (# correct) | 3.44 ± 1.43 |
| Executive function (raw score) | |
| Go/No Go task (# correct) | 7.48 ± 2.98 |
| Reverse Digit Span (score) | 3.64 ± 2.25 |
| Part 2 Tracking (#correct) | 17.81 ± 8.12 |
| SPPB | 9.24 ± 2.55 |