| Group according to sleep apnea severity | Examined | Controls | Total | Significance | (N = 68) | (N = 76) | (N = 144) |
| Parameter | | | | | Age (years ± SD) | 47.88 ± 6.07 | 47.62 ± 6.97 | 46.94 ± 9.00 | NS | Gender (male/female) | 58/10 | 38/38 | 96/48 | | Education level (grammar/high school/university) | 3/7/12 | 25/33/18 | 43/70/31 | NS | Body mass index (BMI, kg/m2) | 35.34 ± 7.31 | 34.95 ± 8.27 | 31.90 ± 6.61 | F = 807.33, DF = 3.140, | Leptin (ng/mL) m/f | 11.36 ± 1.97 22.78 ± 3.28 | 4.39 ± 2.17 11.44 ± 3.23 | 10.39 ± 2.53 14.55 ± 3.11 | F = 5.66, DF = 3.140, | Adiponectin (ng/mL) m/f | 8.06 ± 0.97 11.14 ± 2.03 | 8.8 ± 1.44 13.71 ± 3.63 | 8.19 ± 2.44 11.43 ± 3.69 | NS | Glucose (mmol/l) | 5.31 ± 0.65 | 5.75 ± 1.55 | 5.52 ± 1.28 | NS | C reactive protein (mg/l, mean ± SE) | 3.86 ± 1.27 | 3.74 ± 0.39 | 3.39 ± 0.25 | NS | Cholesterol (mmol/l, mean ± SD) | 5.19 ± 0.63 | 5.74 ± 1.18 | 5.57 ± 1.11 | NS | HDL (mmol/l, mean ± SE) | 0.95 ± 0.04 | 1.37 ± 0.07 | 1.18 ± 0.04 | F = 8.94, DF = 3.140, | LDL (mmol/l, mean ± SE) | 3.23 ± 0.17 | 3.27 ± 0.12 | 3.44 ± 0.08 | F = 2.76, DF = 3.140, | Triglycerides (mmol/l, mean ± SE) | 2.68 ± 0.35 | 1.86 ± 0.13 | 2.24 ± 0.12 | F = 7.64, DF = 3.140, p = 0.009 | Cholesterol/HDL ratio (mean ± SE) | 6.02 ± 0.33 | 4.64 ± 0.18 | 5.27 ± 0.18 | F = 8.035, DF = 3.140, | Triglycerides/HDL ratio | 3.32 ± 0.48 | 1.62 ± 0.15 | 2.41 ± 0.19 | F = 7.71, DF = 3.140, | AIP | 0.52 | 0.21 | 0.38 | F = 8.01, DF = 3.140, | HDL/LDL ratio (mean ± SE) | 0.32 ± 0.03 | 0.43 ± 0.04 | 0.38 ± 0.02 | NS | AHI per hour (mean ± SE) | 12.23 ± 5.49 | 2.95 ± 0.12 | 12.16 ± 1.31 | F = 29.44, DF = 3>140, | ODI per hour (mean ± SE) | 14.35 ± 4.51 | 2.78 ± 0.13 | 11.08 ± 1.24 | F = 25.64, DF = 3.140, | Total brain volume (cm3, mean ± SE) | 1441.19 ± 32.31 | 1403.37 ± 18.85 | 1398.96 ± 13.16 | NS | MoCA score (mean ± SD) | 24.23 ± 3.14 | 25.53 ± 3.20 | 25.28 ± 3.04 | F = 2.72, DF = 3.140, |
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