Table 1 Demographics of participants in the study. PPA, primary progressive aphasia; svPPA, semantic variant; nfv, nonfluent variant; lv, logopenic variant. N, number of participants. Values are shown as mean (standard deviation)
Controls | svPPA | nfvPPA | lvPPA | |
|---|---|---|---|---|
N | 19 | 11 | 13 | 12 |
Age at CSF | 63.5 (6.9) | 60.5 (5.9) | 67.0 (6.3) | 66.7 (6.3) |
Sex (% male) | 47.4 | 54.5 | 53.8 | 50.0 |
Disease duration at CSF | N/A | 4.6 (2.0) | 4.5 (1.9) | 3.6 (2.2) |
Aβ42 | 999.9 (235.4) | 879.7 (259.5) | 845.6 (318.3) | 439.8 (159.4) |
Total tau | 325.7 (93.3) | 355.7 (152.9) | 405.8 (184.7) | 1206 (555.4) |
Total tau/Aβ42 ratio | 0.3 (0.1) | 0.4 (0.1) | 0.5 (0.3) | 3.2 (2.2) |