From: Discordant amyloid-β PET and CSF biomarkers and its clinical consequences
Total | SCD | MCI | AD dementia | Non-AD dementia | |
---|---|---|---|---|---|
N (%) | 768 | 194 (25) | 127 (17) | 309 (40) | 138 (18) |
Discordant, cut-off < 813 ng/L (%)* | 97 (13) | 30 (15) | 17 (13) | 28 (9) | 22 (16) |
CSF+/PET− (%) | 65 (67) | 20 (67) | 9 (53) | 17 (61) | 19 (86) |
Discordant, excl. ± 5% cut-off (%) | 75 (11) | 27 (15) | 14 (12) | 15 (5) | 19 (15) |
Discordant, excl. ± 10% cut-off (%) | 56 (9) | 20 (12) | 10 (10) | 13 (5) | 13 (11) |