Table 1 Baseline characteristics
Characteristics | All (n = 252) | Cross-validation set (n = 238) | Independent test set (n = 14) |
|---|---|---|---|
Age, mean (SD), years | 73.2 (7.26) | 72.8 (7.13) | 79.1 (7.17) |
Sex, n (%) | |||
Female | 95 (37.7) | 91 (38.2) | 4 (28.6) |
Male | 157 (62.3) | 147 (61.8) | 10 (71.4) |
Education, mean (SD), years | 15.9 (2.89) | 15.9 (2.87) | 15.6 (3.46) |
Cognitive test scores | |||
MMSE, mean (SD) | 27.7 (1.80) | 27.6 (1.79) | 28.6 (1.70) |
CDRSB, mean (SD) | 1.50 (0.994) | 1.50 (0.991) | 1.50 (1.07) |
ADAS11, mean (SD) | 9.61 (4.24) | 9.64 (4.25) | 8.97 (4.20) |
ADAS13, mean (SD) | 15.4 (6.66) | 15.5 (6.67) | 14.0 (6.57) |
RAVLT immediate, mean (SD) | 35.8 (10.8) | 35.7 (10.7) | 37.9 (12.7) |
RAVLT learning, mean (SD) | 4.27 (2.65) | 4.29 (2.68) | 4.00 (2.11) |
RAVLT % forgetting, mean (SD) | 57.0 (34.7) | 57.2 (34.6) | 54.9 (38.1) |
mPACCdigit, mean (SD) | − 5.53 (4.31) | − 5.68 (4.26) | − 3.06 (4.64) |
mPACCtrailsB, mean (SD) | − 5.19 (4.09) | − 5.34 (4.05) | − 2.61 (4.11) |
FAQ, mean (SD) | 3.53 (4.51) | 3.55 (4.55) | 3.14 (3.90) |
LDELTOTAL, mean (SD) | 6.57 (4.41) | 6.36 (4.25) | 10.1 (5.70) |