Table 1.
Baseline characteristics of nonsleepy and sleepy OSA patients
| Nonsleepy OSA, n = 122 | Sleepy OSA, n = 155 | Total, N = 277 | P Value | |
|---|---|---|---|---|
| Age, y | 66.2 (60.4–71.4) | 62.0 (57.5–68.0) | 63.9 (58.9–69.5) | 0.001 |
| Female sex | 22 (18.0) | 17 (11.0) | 39 (14.1) | 0.09 |
| BMI, kg/m2 | 27.9 (25.7–30.2) | 29.0 (26.3–32.2) | 28.9 (25.9–31.3) | 0.01 |
| Obesity | 34 (27.9) | 64 (41.3) | 98 (35.4) | 0.02 |
| Current smoker | 22 (18.0) | 27 (17.4) | 49 (17.7) | 0.89 |
| AHI | 23.7 (18.0–36.6) | 27.9 (18.7–40.2) | 26.0 (18.4–37.7) | 0.09 |
| ODI | 13.6 (9.1–21.7) | 15.8 (8.8–27.4) | 15.1 (8.8–23.5) | 0.02 |
| % of nighttime spent with oxygen saturation < 90% | 1.3 (0.3–5.3) | 2.5 (0.4–7.9) | 1.8 (0.3–6.7) | 0.05 |
| ESS score | 6.0 (3.0–8.0) | 11.0 (10.0–14.0) | 10.0 (6.0–12.0) | <0.001 |
| Treated HTN | 84 (68.9) | 89 (57.4) | 173 (62.5) | 0.05 |
| History of AF | 15 (12.3) | 29 (18.7) | 44 (15.9) | 0.15 |
| AMI at baseline | 65 (53.3) | 76 (49.0) | 141 (50.9) | 0.48 |
| CABG at baseline | 33 (27.0) | 40 (25.8) | 73 (26.4) | 0.82 |
| Previous PCI or CABG | 27 (22.1) | 31 (20.0) | 58 (20.9) | 0.67 |
| DM | 34 (27.9) | 39 (25.2) | 73 (26.4) | 0.61 |
| CPAP hours/night at 1 montha | 3.9 (2.2–6.2) | 5.2 (3.0–6.4) | 4.9 (2.5–6.3) | 0.06 |
Abbreviations: AF, atrial fibrillation; AHI, apnea‐hypopnea index; AMI, acute myocardial infarction; BMI, body mass index; CABG, coronary artery bypass grafting; DM, diabetes mellitus; ESS, Epworth Sleepiness Scale; HTN, hypertension; IQR, interquartile range; MI, myocardial infarction; ODI, oxygen desaturation index; OSA, obstructive sleep apnea; PCI, percutaneous coronary intervention.
Data are presented as n (%) or median (IQR).
a
Data available for n = 105 nonsleepy and n = 147 sleepy patients.