Table 1. Baseline Characteristics of the Study Participantsa.
| Characteristics | PAP Not Prescribed (n = 311) | PAP Prescribed (n = 81) |
|---|---|---|
| Matching variables | ||
| Male sex | 256 (82.3) | 60 (74) |
| Age, mean (SD), y | 63.4 (11.3) | 61.6 (9.68) |
| AHI, mean (SD) | 34.2 (19.4) | 37.9 (19.3) |
| Demographics | ||
| BMI, mean (SD) | 30.1 (5.4) | 32.5 (5.8) |
| Education, y | ||
| ≤10 | 26 (8.93) | 5 (7) |
| 11-15 | 155 (53.3) | 36 (48) |
| 16-20 | 104 (35.7) | 26 (35) |
| >20 | 6 (2.06) | 8 (11) |
| Smoking status | ||
| Never | 132 (43.0) | 35 (43) |
| Current | 26 (8.47) | 4 (5) |
| Former | 149 (48.5) | 42 (52) |
| Alcohol consumption, drinks/d | ||
| 0 | 140 (49.3) | 36 (49) |
| 1-3 | 57 (20.1) | 21 (28) |
| >3 | 87 (30.6) | 17 (23) |
| Comorbidities | ||
| Hypertension | 154 (49.5) | 45 (56) |
| Diabetes | 33 (11.4) | 10 (13) |
| Prevalent CVD | 58 (19.0) | 19 (24) |
| Mortality rates | ||
| All-cause mortality | 84 (27.0) | 12 (15) |
| Cardiovascular mortality | 26 (9.5) | 1 (2) |
Abbreviations: AHI, apnea-hypopnea index; BMI, body mass index (calculated as weight in kilograms divided by height in meters squared); CVD, cardiovascular disease; PAP, positive airway pressure.
a
Unless otherwise noted, units are expressed as No. (%).