Visit | WAB-AQ (100) | WAB-Rep (66) | BNT (60) | PPVT (36) | NAT-nc (15) | Rivermead (10) | CDR-global (*) | CDR-language (*) | ADLQ (100) | NPI-Q severity (36) |
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Baseline | 68.30 | 23 | 39 | 35 | 2 | 10 | 0.5 | 2 | 34.85 | 1 |
6-month | 54.50 | 19 | 25 | 27 | 4 | 10 | 0.5 | 2 | 42.11 | 3 |
12-month | 39.80 | 5 | 22 | 32 | N/A | 8 | 0.5 | 2 | 46.67 | 6 |
18-month | 35.10 | 1 | 0 | 21 | 0 | 8 | 1 | 3 | 54.67 | 7 |
- Neuropsychological performance and functional questionnaire at each visit. WAB = Western Aphasia Battery; WAB-AQ = WAB aphasia quotient; WAB-Rep = WAB repetition subtest; BNT = Boston Naming Test; PPVT = Peabody Picture Vocabulary Test; NAT-nc = Sentence production scores on a composite of 15 noncanonical sentences from the Northwestern Anagram Test; Rivermead = Rivermead Behavioural Memory Test; CDR = Clinical Dementia Rating; ADLQ = Activities of Daily Living Questionnaire; NPI-Q severity = Neuropsychiatric Inventory-Questionnaire, sum of severity scores; N/A = not available. Higher numbers indicate better performance for the WAB-AQ, WAB-Rep, BNT, PPVT, NAT-nc, and Rivermead. * The CDR is an ordinal scale with possible values of 0, 0.5, 1, 2, or 3. Higher numbers the CDR-global (based on six cognitive domains) and CDR-language (language domain only) indicate increased impairment. Higher numbers on the ADLQ and NPI-Q indicate increased functional impairment