Table 1. Patient baseline characteristics.
| Control (30) | CPAP-withdrawal (29) | |
|---|---|---|
| Age (SD) | 59.2 (9.2) | 62.1 (10.3) |
| BMI (SD) | 34.3 (6.3) | 35.1 (7.3) |
| Males : Females (n : n) | 25 : 5 | 23 : 6 |
| Epworth Sleepiness Score (SD) | 6.5 (3.7) | 6.6 (3.5) |
| ODI on CPAP (SD) | 2.6 (2.4) | 3.9 (3.8) |
| ODI during 4 nights preliminary CPAP withdrawal (SD) | 33.4 (14.4) | 38.7 (16.2) |
| Morning laboratory systolic blood pressure (mmHg) | 133.5 (14.2) | 125.9 (14.6) |
| Morning laboratory diastolic blood pressure (mmHg) | 83.6 (13.0) | 80.8 (9.8) |
| Morning laboratory heart rate (beats/min) | 68.7 (8.9) | 68.3 (9.33) |
| On statins (n,%) | 14 (47) | 11 (38) |
| On anti-hypertensive drugs (n,%) | 17 (57) | 14 (48) |
| Smoking status (never : ex-smoker : current smoker) | 14 : 9 : 7 | 10 : 15 : 4 |
SD = standard deviation, BMI = body mass index (kg/m2), ODI = overnight oxygen desaturation index (events/hour), CPAP = continuous positive airway pressure.