Table 6.
CERAD-NB scores of patients with nonfluent/agrammatic variant PPA: mean scores, standard deviations, minimum and maximum scores for nonfluent/agrammatic variant PPA and AD groups and group-wise comparisons of the differences with the Mann-Whitney U test
| CERAD-NB subtest (maximum score) | Nonfluent/agrammatic variant PPA, mean±SD (range) | n | AD, mean±SD (range) | n | p (2-tailed) |
|---|---|---|---|---|---|
| Verbal Fluency (animals) | 11.2±6.1 (4–23) | 14 | 14.0±5.7 (2–26) | 90 | 0.089 |
| Boston Naming Test (15) | 9.2±3.4 (2–15) | 14 | 10.5±3.1 (1–15) | 90 | 0.168 |
| MMSE (30) | 22.7±3.1 (9–28) | 14 | 22.7±4.0 (8–30) | 88 | 0.664 |
| Word List Learning (30) | 12.1±5.1 (0–20) | 14 | 13.8±4.9 (0–26) | 90 | 0.325 |
| Constructional Praxis (11) | 8.6±2.7 (2–11) | 13 | 8.7±2.1 (4–11) | 89 | 0.930 |
| Word List Delayed Recall (10) | 3.7±1.8 (0–6) | 14 | 2.5±2.0 (0–8) | 89 | 0.269 |
| Word List Delayed Recall Savings, % (100) | 58.3±22.5 (0–86) | 13 | 42.7±30.8 (0–100) | 88 | 0.066 |
| Word List Recognition (20) | 16.8±2.8 (11–20) | 13 | 16.1±2.7 (8–20) | 90 | 0.379 |
| Word List Discriminability (10) | 6.8±2.8 (1–10) | 13 | 6.1±2.7 (0–10) | 88 | 0.361 |
| Word List Recognition, % (100) | 83.8±13.9 (55–100) | 13 | 80.5±13.5 (40–100) | 90 | 0.379 |
| Total Recall (30) | 19.9±3.8 (15–26) | 13 | 18.6±4.1 (8–28) | 89 | 0.321 |
| Constructional Praxis: Delayed Recall (11) | 6.7±3.6 (0–11) | 12 | 3.9±3.2 (0–11) | 89 | 0.013 |
| Constructional Praxis: Savings, % (100) | 73.6±30.1 (0–100) | 12 | 43.9±34.5 (0–100) | 89 | 0.007 |
| Clock Drawing (6) | 3.5±2.1 (1–6) | 13 | 3.7±2.1 (0–6) | 90 | 0.714 |
| Memory Total Score (41) | 26.2±6.2 (17–37) | 12 | 22.5±6.3 (10–39) | 88 | 0.095 |
| Memory Index, % (100) | 67.1±17.9 (30–95) | 11 | 49.9±22.4 (0–93) | 86 | 0.027 |
| Total Score (100) | 49.3±15.6 (29–79) | 12 | 55.5±14.9 (15–95) | 88 | 0.126 |