Table 2.
Naming and Word Comprehension Performance: accuracy and naming errors.
| Test Measures | bvFTD | SD | Statistic | p value | |
|---|---|---|---|---|---|
| Accuracy data | |||||
| Graded naming | Correct/30 mean (SD) | 11.2 (7.4) | 1.0 (1.8) | t = 9.9 | p < .001 |
| Manchester Naming | Total correct/40 | 33.0 (8.8) | 16.0 (12.0) | t = 7.2 | p < .001 |
| Biological/20 | 16.0 (5.1) | 6.9 (6.1) | t = 7.3 | p < .001 | |
| Non-Biological/20 | 17.0 (4.1) | 9.7 (6.4) | t = 5.9 | p < .001 | |
| Word-picture match | Total correct/40 | 38.4 (5.3) | 32.4 (11.0) | t = 2.8 | p = .008 |
| Biological/20 | 19.2 (2.6) | 15.3 (6.0) | t = 3.2 | p = .003 | |
| Non-Biological/20 | 19.2 (2.8) | 18.0 (4.1) | t = 1.7 | p = .099 | |
| Manchester Naming Test Errors (66 bvFTD and 31 SD) | |||||
| Total number of errors | Mean (SD) Range |
7.0 (8.8) 0–40 |
24 (12) 3–40 |
t = −7.0 | p < .001 |
| Error breakdown: mean percentage of total (SD) | Semantic | 25.0% (25) | 23.4% (19.5) | U = 991.5, z = −.25 | p = .80 |
| Superordinate | 2.9% (7.5) | 7.5% (11.9) | U = 698.5, z = −3.14 | p = .002 | |
| Associative | 2.8% (10.2) | 26.9% (22.8) | U = 285.5, z = −6.70 | p < .001 | |
| Misidentification | 5.5% (13.0) | 2.0% (3.1) | U = 957.0, z = −.66 | p = .513 | |
| Omission | 12.7% (22.6) | 27.0% (18.2) | U = 508.5, z = −4.25 | p < .001 | |
| Acceptable | 51.1% (36.0) | 13.3% (11.1) | U = 350.5, z = −5.28 | p < .001 | |
| Graded Naming Errors (57 bvFTD) | |||||
| Total errors | Mean (SD) | 18.4 (7.2) | – | ||
| Percentage of total errors (SD) | Semantic | 15.6% (12.6) | – | ||
| Superordinate | 4.6% (6.3) | – | |||
| Associative | 31.5% (20.3) | – | |||
| Misidentification | 7.0% (7.0) | – | |||
| Omission | 24.3% (16.8) | – | |||
| Acceptable | 16.9% (13.1) | – | |||