Table 1.
Controls | AD spectrum | P‐value | |||
---|---|---|---|---|---|
CN Aβ− N = 94 | CN Aβ+ N = 55 | MCI Aβ+ N = 136 | AD dementia N = 15 | ||
Age | 72.9 (5.88)d | 72.9 (6.00)d | 71.6 (6.54)d | 77.9 (7.22)a , b , c | 0.003 |
Gender (f/m) | 41/53 | 34/21c | 56/80b | 5/10 | 0.047 |
Education | 16.9 (2.37) | 16.2 (2.67) | 16.2 (2.61) | 15.5 (2.70) | 0.099 |
ApoE4 (pos/neg) | 81/13b , c , d | 30/25a , d | 51/85a | 2/13a , b | < 0.001 |
ADNI‐MEM | 1.18 (0.56)c , d | 1.17 (0.68)c , d | 0.18 (0.61)a , b , d | −0.83 (0.33)a , b , c | < 0.001 |
MMSE | 29.2 (1.07)c , d | 29.1 (0.88)c , d | 27.8 (1.81)a , b , d | 22.5 (1.81)a , b , c | < 0.001 |
AV45 global SUVR | 0.74 (0.03) | 0.91 (0.10) | 0.97 (0.11) | 1.05 (0.07) | < 0.001 |
Time between AV45 visits | 2.16 (0.59)b , c , d | 2.33 (0.85)a , c , d | 2.12 (0.50)a , b , d | 2.00 (0.03)a , b , c | 0.098 |
CSF sTREM2 | 4,163 (2,086) | 3,701 (2,007) | 4,317 (2,212) | 4,640 (2,599) | 0.270 |
CSF total tau | 220 (78.3)c , d | 268 (107)c , d | 333 (132)a , b | 381 (118)a , b | < 0.001 |
CSF p‐tau181 | 19.3 (7.11)b , c , d | 25.8 (11.4)a , c , d | 32.9 (14.4)a , b | 39.1 (12.9)a , b | < 0.001 |
Number of participants with tau PETe | 14 | 14 | 26 | 0 |
Sig. (P < 0.05) different from CN AB−.
Sig. (P < 0.05) different from CN AB+.
Sig. (P < 0.05) different from MCI AB+.
Sig. (P < 0.05) different from AD dementia.
Tau PET had to be obtained maximum 3 years after the last joint AV45 PET/CSF sTREM2 assessment.