Table 1.
Baseline Patient Characteristics
| Variables | All (n=804) | OSA (n=403) | Non‐OSA (n=401) | P Value |
|---|---|---|---|---|
| Demographics | ||||
| Age, y | 57.5±10.2 | 57.7±10.2 | 57.2±10.2 | 0.501 |
| Male | 664 (82.6) | 342 (84.9) | 322 (80.3) | 0.088 |
| Height, cm | 168.5±7.4 | 168.7±7.4 | 168.3±7.5 | 0.477 |
| Weight, kg | 76.0±12.2 | 78.8±12.4 | 73.0±11.3 | <0.001 |
| BMI, kg·m−2 | 26.7±3.6 | 27.7±3.5 | 25.8±3.4 | <0.001 |
| Waist‐to‐hip ratio | 0.98 (0.95–1.02) | 0.99 (0.96–1.02) | 0.98 (0.94–1.01) | <0.001 |
| Neck circumference, cm | 40 (38–42) | 41 (39–43) | 40 (37–41) | <0.001 |
| Systolic BP, mm Hg | 125 (115–138) | 126 (115–140) | 125 (116–137) | 0.563 |
| Diastolic BP, mm Hg | 74 (70–84) | 75 (70–85) | 73 (68–82) | 0.012 |
| Medical history | ||||
| Diabetes mellitus | 248 (30.8) | 121 (30.0) | 127 (31.7) | 0.613 |
| Hypertension | 530 (65.9) | 275 (68.2) | 255 (63.6) | 0.165 |
| Hyperlipidemia | 210 (26.1) | 107 (26.6) | 103 (25.7) | 0.780 |
| Family history of premature CAD | 59 (7.3) | 28 (7.0) | 31 (7.1) | 0.700 |
| Previous stroke | 76 (9.5) | 41 (10.2) | 35 (8.7) | 0.484 |
| Previous myocardial infarction | 118 (14.7) | 61 (15.1) | 57 (14.2) | 0.712 |
| Previous PCI | 141 (17.5) | 83 (20.6) | 58 (14.5) | 0.022 |
| Previous CABG | 11 (1.4) | 9 (2.2) | 2 (0.5) | 0.034 |
| Smoking | 0.973 | |||
| No | 288 (35.8) | 145 (36.0) | 143 (35.7) | |
| Current | 406 (50.5) | 202 (50.1) | 204 (50.9) | |
| Previous | 110 (13.7) | 56 (13.9) | 54 (13.5) | |
Data are presented as mean±SD, median (first quartile, third quartile), or n (%). BMI indicates body mass index; BP, blood pressure; CABG, coronary artery bypass grafting; CAD, coronary artery disease; PCI, percutaneous coronary intervention; OSA, obstructive sleep apnea.