Table 4 Baseline characteristics of FHS patients (N = 324).
From: Decoding information about cognitive health from the brainwaves of sleep
Female (N = 159) | Male (N = 165) | |
|---|---|---|
Age, years, mean ± SD | 61.8 ± 1.9 | 61.8 ± 1.5 |
Education group | ||
HS, did not graduate, n (%) | 7 (4.4%) | 3 (1.8%) |
HS graduate, n (%) | 53 (33.3%) | 53 (32.1%) |
Some college, n (%) | 43 (27.0%) | 48 (29.1%) |
College graduate, n (%) | 56 (35.2%) | 61 (37.0%) |
ESS, median [IQR] | 6.0 [3.3, 9.0] | 7.0 [5.0, 11.0] |
AHI, median [IQR] | 2.8 [1.0, 8.3] | 8.3 [2.8, 14.2] |
Normal (< 5), n (%) | 100 (62.9%) | 73 (44.2%) |
Mild sleep apnea (5 ≤ AHI < 15), n (%) | 42 (26.4%) | 54 (32.7%) |
Moderate sleep apnea (15 ≤ AHI < 30), n (%) | 14 (8.8%) | 26 (15.8%) |
Severe sleep apnea (AHI ≥ 30), n (%) | 3 (1.9%) | 11 (6.7%) |
Total Sleep Time, median [IQR] | 6.7 [6.0, 7.3] | 6.2 [5.7, 6.9] |
Sleep Efficiency, median [IQR] | 0.9 [0.8, 0.9] | 0.9 [0.8, 0.9] |
REM Latency, median [IQR] | 1.2 [1.0, 1.9] | 1.1 [0.8, 1.7] |
%N1, median [IQR] | 3.9 [2.3, 5.5] | 4.6 [3.1, 6.5] |
%N2, median [IQR] | 52.6 [46.4, 60.0] | 60.1 [53.4, 65.4] |
%N3, median [IQR] | 21.6 [14.7, 29.3] | 12.6 [7.8, 19.8] |
%REM, median [IQR] | 21.1 [17.2, 24.4] | 20.5 [16.9, 23.9] |
WASO, median [IQR] | 47 [27.8, 72.0] | 39 [28.0, 68.6] |
