Table 1.
Baseline characteristics
| Variables | OSA (n = 618) |
|---|---|
| Male (%) | 549 (89) |
| Age, year | 61.7 ± 12.2 |
| BMI, kg/m2 | 27. 2 ± 4.9 |
| Usage years of CPAP, year | 7.5 ± 4.0 |
| Smoking status, n (%) | |
| Current smoker | 99 (16) |
| Former smoker | 269 (44) |
| Nonsmoker | 250 (41) |
| Frequency of alcohol consumption, n (%) | |
| ≥ 3 times/wk | 148 (24) |
| 1–2 times/wk | 97 (16) |
| < 1 times/wk | 58 (9) |
| Rarely or nevever | 315 (51) |
| History of congestive heart failure | 29 (5) |
| History of ischemic heart disease | 45 (7) |
| Prior stroke/TIA | 31 (5) |
| Chronic kidney disease above stage3b | 28 (5) |
| eGFR(Cr), mL/min/1.73m2 | 71.0 ± 16.0 |
| Artrial fibrillation | 60 (10) |
| Hypertension | 300 (49) |
| Type 2 diabetes | 112 (18) |
| Dyslipidemia | 206 (33) |
| Chronic obstructive pulmonary disease | 156 (25) |
| Pacemaker implanted | 7 (1) |
| QRS duration on ECG,ms | 89.7 ± 13.8 |
| Central nervous system agents | 45 (7) |
Data are presented as n (%) or average ± SD
BMI, body mass index; CPAP, continuous positive airway pressure; TIA, transient ischemic attack; ECG, electrocardiogram