Table 1.
Characteristics of subjects included in this study
| Patients (N = 26) | Controls (N = 20) | Statistics | ||||||
|---|---|---|---|---|---|---|---|---|
| n | Mean | SD | n | Mean | SD | t/χ2 | P | |
| Age (years) | 26 | 67.6 | 9.4 | 20 | 65.4 | 6.5 | t = 0.94 | 0.35 |
| Sex (male/female) | 26 | 9/17 | 20 | 10/10 | χ 2 = 2.49 | 0.29 | ||
| Education (years) | 26 | 13.1 | 2.4 | 20 | 15.2 | 2.3 | t = −2.95 | 0.005 |
| Diagnosis (bvFTD/PPA/PNFA/CBS/PSP-F) | 26 | 15/3/4/3/1 | ||||||
| Duration of illness (years) | 26 | 3.8 | 3.5 | |||||
| MMSE | 26 | 19.3 | 9.2 | 20 | 28.7 | 1.4 | t = −5.10 | <0.001 |
| FAB | 26 | 8.7 | 4.8 | 20 | 16.6 | 1.2 | t = −7.95 | <0.001 |
| NPI (bvFTD cases only)a | 14 | 33.8 | 15.9 | |||||
| SRI (bvFTD cases only)a | 14 | 12.4 | 9.7 | |||||
| Injected radioactivity for 11C-PiB (MBq) | 26 | 539 | 43 | 20 | 518 | 64 | t = 1.36 | 0.18 |
| Injected radioactivity for 18F-florzolotau (MBq) |
26 | 188 | 6 | 20 | 187 | 6 | t = 0.52 | 0.61 |
aData for one bvFTD patient are not available.