Table 2.
Comparison of Baseline Characteristics by Withdrawal Visit Participation
| Participated in Withdrawal Visit | No | Yes | P Value |
|---|---|---|---|
| Mean (SD) | Mean (SD) | ||
| N | 40 | 44 | |
| Age, y | 41.4 (7.6) | 40.8 (7.6) | 0.622 |
| Body mass index, kg/m2 | 36.2 (7.0) | 32.8 (7.7) | 0.221 |
| Apnea hypopnea index, events/hr | 48.1 (29.8) | 32.3 (15.4) | 0.025 |
| Blood pressure | |||
| Central systolic, mm Hg | 114.5 (10.4) | 116.1 (9.1) | 0.327 |
| Brachial systolic, mm Hg | 126.3 (12.4) | 128.7 (11.2) | 0.272 |
| Diastolic, mm Hg | 77.2 (7.7) | 76.1 (8.2) | 0.498 |
| Mean, mm Hg | 94.4 (7.8) | 94.7 (7.5) | 0.868 |
| Heart rate, beats/min | 63.2 (9.2) | 64.2 (9.1) | 0.522 |
| PWVc‐f, m/sec | 6.7 (1.0) | 6.4 (1.0) | 0.390 |
| PWVc‐r, m/sec | 8.4 (1.1) | 8.3 (1.2) | 0.669 |
| AAIxHR corrected (%) | 14.6 (9.4) | 15.6 (10.1) | 0.709 |
| Maximum relative FMD (%) | 4.7 (3.0) | 4.2 (2.8) | 0.551 |
| Brachial artery diameter, mm | 4.4 (0.7) | 4.4 (0.6) | 0.907 |
| Left ventricular mass, g | 171.2 (40.4) | 160.9 (37.9) | 0.132 |
| Left ventricular ejection fraction (%) | 59.3 (4.2) | 58.9 (4.0) | 0.539 |
| Diastolic function (grade) | 1.7 (0.9) | 1.9 (0.9) | 0.286 |
| E/e’ ratio | 8.4 (1.9) | 8.5 (1.8) | 0.925 |
| Left atrial volume, mL | 61.3 (14.9) | 60.9 (13.1) | 0.929 |
| TAPSE, mm | 23.3 (2.7) | 21.6 (3.3) | 0.008 |
| Right ventricular end‐diastolic area, cm2 | 20.6 | 19.9 | 0.482 |
| Pulmonary artery systolic pressure, mm Hg | 27.6 (4.8) | 26.7 (6.0) | 0.436 |
| Systemic vascular resistance, dynes×s/cm5 | 1223.6 (237) | 1275.4 (293) | 0.579 |
AAIx indicates Aortic Augmentation Index; FMD, flow‐mediated vasodilation; PWVc‐f, carotid‐femoral pulse wave velocity; PWVc‐r, carotid‐radial pulse wave velocity; TAPSE, tricuspid annular plane systolic excursion.