Table 4 The characteristics of the patients in PMCI and SMCI

Age, years

65.04 ± 8.66

62.84 ± 8.36

0.302

Male, n (%)

13 (52%)

5 (26.32%)

0.138

Edu, years

10.12 ± 4.43

7.68 ± 5.18

0.084

MMSE, scores

22.28 ± 4.02

22.05 ± 4.27

0.721

CSF t-tau, pg/ml

152.97 ± 78.86

97.60 ± 32.74

0.004

CSF p-tau, pg/ml

103.64 ± 62.79

52.36 ± 28.39

0.004

CSF Aβ40, pg/ml

6822.7 ± 2590.69

6993.4 ± 2496.10

0.602

CSF Aβ42, pg/ml

362.7 ± 203.10

540.2 ± 345.81

0.064

CSF Aβ42/40 ratio

0.054 ± 0.02

0.07 ± 0.03

0.005