Table 2.
Comparison of patients according to the sleep apnea severity
| Parameter | Patients without obstructive sleep apnea (n = 145) | Mild sleep apnea (n = 74) | Moderate sleep apnea (n = 35) | Severe sleep apnea (n = 12) | p for trend |
|---|---|---|---|---|---|
| Age (years) | 55.9 ± 11.4 | 59.6 ± 8.5 | 59.9 ± 7.2 | 58.6 ± 6.9 | 0.12 |
| Systolic blood pressure (mmHg) | 130.9 ± 16.7 | 133.2 ± 16.6 | 132.1 ± 18.3 | 131.7 ± 15.1 | 0.88 |
| Diastolic blood pressure (mmHg) | 79.7 ± 10.7 | 82.8 ± 10.7 | 80.9 ± 12.9 | 79.6 ± 12.1 | 0.31 |
| Body mass index (kg/m2) | 28.7 ± 4.4 | 30.1 ± 5.5 | 31.3 ± 4.6 | 34.4 ± 6.3 | 0.001 |
| Male sex | 88 (60.7%) | 55 (74.3%) | 24 (68.6%) | 6 (50.0%) | 0.56 |
| Heart failure | 1 (0.7%) | 0 (0.0%) | 0 (0.0%) | 2 (16.7%) | 0.008 |
| Arterial hypertension | 100 (69.0%) | 55 (74.3%) | 32 (91.4%) | 10 (83.3%) | 0.012 |
| Diabetes mellitus | 11 (7.6%) | 4 (5.4%) | 7 (20.0%) | 5 (41.7%) | 0.001 |
| Stroke or peripheral thromboembolism | 8 (5.5%) | 9 (12.2%) | 4 (11.4%) | 2 (16.7%) | 0.029 |
| Vascular disease | 11 (7.6%) | 7 (9.5%) | 8 (22.9%) | 3 (25.0%) | 0.005 |