From: Unbiased estimates of cerebrospinal fluid β-amyloid 1–42 cutoffs in a large memory clinic population
Total group (n = 688) | CSF Aβ42 cutoff <550 pg/ml | CSF Aβ 42 cutoff <615 pg/ml | |
---|---|---|---|
AD-type dementia, n (%) | 288 (42) | 236 (82) | 255 (89) |
Non-AD-type dementia, n (%) | 143 (21) | 49 (34) | 55 (38) |
SCD with follow-up available | |||
Converted to AD-type dementia, n (%) | 7 (7) | 5 (71) | 6 (86) |
Not converted to AD-type dementia, n (%) | 91 (93) | 16 (18) | 20 (22) |
MCI with follow-up available | |||
Converted to AD-type dementia, n (%) | 69 (53) | 53 (77) | 60 (87) |
Not converted to AD-type dementia, n (%) | 60 (47) | 16 (27) | 26 (43) |