| Factor loadings |
---|
Component 1 | Component 2 | Component 3 |
---|
RAVLT-I | 0.777 | −0.477 | |
N1 | −0.762 | | |
MMSE | 0.737 | −0.320 | |
REM | 0.734 | | −0.515 |
N3 | 0.729 | | |
RAVLT-D | 0.715 | −0.475 | |
Aβ42, pg/ml | 0.675 | −0.393 | |
TST | 0.600 | | |
P-tau pg/ml | | 0.823 | |
T-tau pg/ml | −0.393 | 0.819 | |
Age | | 0.548 | |
REML | | | 0.664 |
WASO | | | 0.641 |
SL | | 0.328 | 0.599 |
- Note. 1 The table represents the loads of each variable in each of the three factors extracted by PCA. Loads < 0.30 are not presented. Factor loadings over .40 appear in italics
- Abbreviations: MMSE Mini-Mental State Examination, T-tau total tau, P-tau phosphorylated tau, Aβ42 β-amyloid42, RAVLT-I Immediate Recall – Rey Auditory Verbal Learning Test, RAVLT-D Differite Recall – Rey Auditory Verbal Learning Test, TST total sleep time, LREM REM sleep latency, N1 stage 1 of non-REM sleep, N3 stage 3 of non-REM sleep, REM REM sleep, WASO wakefulness after sleep onset, SL sleep onset latency