Table 2.
Neuropsychological test scores at baseline
| Test | M (SD) |
|---|---|
| Trails A, time | 39.01 (12.92) |
| Trails B, time | 100.96 (52.99) |
| Letter search, time | 92.86 (25.79) |
| Letter search, errors | 1.56 (2.36) |
| Stroop test, interference trial, time | 30.88 (9.47) |
| COWA, number correct | 40.18 (12.66) |
| Grooved pegboard, dominant hand, time | 93.91 (25.05) |
| WAIS-III, Digit span, number correct | 17.46 (3.72) |
| WAIS-III, Digit symbol, number correct | 54.94 (14.46) |
Abbreviation: COWA, Controlled Oral Word Association test; WAIS-III, Wechsler Adult Intelligence Scale, 3rd edition.