TABLE 1.
Baseline characteristics
| Control group (CPAP use) (n = 50) | CPAP withdrawal group (n = 50) | ||||||
| Women and men combined | Women (n = 14) | Men (n = 36) | Women and men combined | Women (n = 19) | Men (n = 31) | ||
| Age (years) [mean (SD)] | 65 (9) | 68 (6) | 63 (10) | 63 (9) | 66 (6) | 61 (10) | |
| BMI (kg/m2) [mean (SD)] | 32 (5) | 35 (6) | 31 (4) | 32 (5) | 32 (6) | 32 (4) | |
| CPAP use last month (h/night) [mean (SD)] | 6.5 (1.3) | 6.8 (1.6) | 6.4 (1.2) | 6.2 (1.3) | 6.6 (1.2) | 6.0 (1.2) | |
| CPAP use night before study start (h/night) [mean (SD)] | 6.6 (1.5) | 6.7 (1.0) | 6.6 (1.6) | 6.6 (1.5) | 6.8 (1.7) | 6.5 (1.3) | |
| Hypertension (n/total) | 33/50 | 10/14 | 23/36 | 28/50 | 11/19 | 17/31 | |
| Diabetes mellitus (n/total) | 6/50 | 2/14 | 4/36 | 8/50 | 4/19 | 4/31 | |
| Ischemic heart disease (n/total) | 6/50 | 2/14 | 4/36 | 9/50 | 1/19 | 8/31 | |
| Current smokers (n/total) | 1/50 | 0/14 | 1/36 | 4/50 | 1/19 | 3/31 | |
| Ex-smokers (n/total) | 27/50 | 8/14 | 19/36 | 22/50 | 9/19 | 13/31 | |
CPAP, continuous positive airway pressure.