Table 1.
Descriptive characteristics of the lvPPA groups classified based on FDG-PET pattern
| Temporal (n=15) Mean (SD) |
Temporoparietal (n=16) Mean (SD) |
Parietal (n=22) Mean (SD) |
p | |
|---|---|---|---|---|
| Age at onset | 63.67 (8.40) | 64.60 (10.77) | 60.91 (7.12) | 0.40 |
| Age at evaluation | 67.20 (7.84) | 67.44 (10.59) | 63.95 (8.18) | 0.40 |
| Illness duration | 6.97 (3.37) | 4.67 (3.74) | 4.77 (3.01) | 0.10 |
| Education | 16.00 (2.73) | 14.63 (2.28) | 15.23 (2.52) | 0.32 |
| WRAT-R SS | 90.47 (7.78) | 85.19 (18.06) | 87.55 (18.46) | 0.66 |
| MMSE | 24.27 (4.18) | 20.47 (6.61) | 21.77 (10.41) | 0.42 |
| PiB-PET SUVR Ratio | 2.09 (0.26) | 2.20 (0.24) | 2.17 (0.25) | 0.46 |
| Gender (M/F) | 5/10 | 8/8 | 12/10 | 0.43* |
| APOE4 allele (% present) | 61% | 64% | 47% | 0.79* |
Note:
*
= Chi-Sqaure, WRAT SS: Wide Range Achievement Test Scaled Score, MMSE: Mini mental status examination; PiB-PET SUVR: Pittsburgh Compound B PET cortical-to-cerebellar (SUVR) ratio; APOE: Apopoliprotein