TABLE 1.
Demographics, clinical profiles, and social cognition measures.
| AD (N = 18) | PD (N = 19) | FTD (N = 10) | HC (N = 10) | p-value | |
| Age (years) | 70.56 ± 10.4 | 70.26 ± 9.1 | 65.5 ± 9.2 | 62.5 ± 5.5 | 0.121 |
| Gender (f/m) | 11/7 | 3/16 | 2/8 | 6/4 | 0.01 |
| TorCA Cum % | 59.2 ± 17a,c | 76.7 ± 13a,b | 61.1 ± 17a | 91.8 ± 3b,c,d | < 0.001∗ |
| CDR SoB | 4.5 ± 2a | 2.9 ± 2a | 4.0 ± 3a | 0.0 ± 0b,c,d | < 0.001∗ |
| TASIT EET | 8 ± 2 | 9 ± 2 | 7.3 ± 3 | 11 ± 2 | 0.008 |
| BIS | 18.6 ± 6 | 20.4 ± 5 | 16.6 ± 3 | 17.9 ± 4 | 0.231 |
| IRI-PT | 19.6 ± 6a | 21.0 ± 7a | 14.7 ± 9a | 28.6 ± 4b,c,d | 0.001∗ |
| IRI-EC | 25.0 ± 6 | 26.6 ± 7 | 21.2 ± 8 | 28.1 ± 5 | 0.148 |
| RSMS-EX | 18.4 ± 7 | 18.0 ± 6 | 10.9 ± 8 | 19.9 ± 7 | 0.028 |
| RSMS-SP | 22.0 ± 5 | 20.6 ± 8 | 14.4 ± 10 | 24.4 ± 7 | 0.033 |
| SNQ total | 17.1 ± 2 | 18.2 ± 2 | 15.1 ± 3 | 19.1 ± 2 | 0.008 |
∗Bonferroni correction for multiple comparison, significant if p < 0.006. ap < 0.05 compared to HC. bp < 0.05 compared to AD. cp < 0.05 compared to PD. dp < 0.05 compared to FTD.