Table 2.
Baseline Neuropsychological Characteristics by Cognitive Domain after Multiple Imputation N=135.
| Neuropsychological Domains (missing data prior to multiple imputation) |
Pooled Descriptive Statistics | |||
|---|---|---|---|---|
| Mean | SD | z- score |
z-score SD |
|
| Global Cognition | −0.5 | 1.3 | ||
| MMSE* Total (2 missing) | 27.2 | 2.7 | −0.5 | 1.9 |
| Dementia Rating Scale (DRS) Total (24 missing) | 129.2 | 13.1 | −0.6 | 1.2 |
| Attention | 0.3 | 0.7 | ||
| WA1S-III+ Forward Digit Span (25 missing) | 6.3 | 1.5 | 0.1 | 1.1 |
| DRS Attention Total (14 missing) | 35.5 | 2.5 | 0.4 | 0.8 |
| Executive Function | −0.4 | 0.6 | ||
| DRS Initiation/Perseveration (19 missing) | 31.5 | 6.1 | −0.8 | 1.1 |
| DRS Conceptualization (13 missing) | 34.6 | 4.1 | −0.2 | 0.9 |
| Stroop Color/Word Interference++(30 missing) | 2.7 | 6.6 | 0.3 | 0.7 |
| WAIS-III Backward Digit Span (25 missing) | 4.0 | 1.2 | −0.3 | 1.0 |
|
Controlled Oral Word Association Test (FAS) Total (14 missing) |
28.6 | 13.3 | −1.0 | 1.1 |
| Processing Speed | −1.5 | 0.7 | ||
| Stroop Word Total++(26 missing) | 84.0 | 15.5 | −1.2 | 0.7 |
| Stroop Color Total++(30 missing) | 53.5 | 12.6 | −1.7 | 0.7 |
| Visuoconstruction | −0.6 | 0.8 | ||
| DRS Construction (20 missing) | 5.2 | 1.4 | −0.6 | 0.8 |
| Immediate Memory (Learning) | −1.5 | 1.3 | ||
|
Hopkins Verbal Learning Test- Revised (HVLT-R) Immediate Recall (11 missing) |
19.3 | 6.2 | −1.5 | 1.3 |
| Delayed Memory (Retention) | −0.9 | 1.1 | ||
| HVLT-R Delayed Recall (14 missing) | 5.8 | 3.3 | −1.6 | 1.5 |
| DRSMemory (13 missing) | 22.4 | 3.1 | −0.2 | 1.2 |
| Language | −0.8 | 1.2 | ||
| Animal Naming Test Total (12 missing) | 15.4 | 5.5 | −0.5 | 1.3 |
*
MMSE=MiniMental State Examination
+
Wechsler Adult Intelligence Scales – Third Edition
++
Age Corrected raw score