Table 1. Demographic characteristics of study sample by levels of β-Amyloid(42).
| Total group | ⩽530 pg ml−1 Aβ42 | >530 pg ml−1 Aβ42 | |
|---|---|---|---|
| Number (%) | 129 (100) | 43 (33.3) | 86 (66.6) |
| Gender (M/F) | 56/73 | 20/23 | 36/53 |
| MMSE (mean) | 28.4 (1.6) | 28.6 (1.5) | 28.3 (1.6) |
| Age (mean) | 81.9 (3.4) | 82.5 (3.6) | 81.6 (3.3) |
| APOE4 carriera | 34 (26%) | 22 (65%) | 12 (35%) |
Abbreviations: Aβ42, amyloid β 42; F, female; M, male; MMSE, Mini Mental State Examinations.
a
P-value <0.05 using Fisher’s Exact Test comparing those with high Aβ42 (>530 pg ml−1) and low CSF Aβ42 (⩽530 pg ml−1).