Table 1.
Demographic and clinical findings
| Characteristic | Mean or # | ± SD or % |
|---|---|---|
| Age (yr) | 59.8 | ± 16.5 |
| Epworth Sleepiness Scale | 11.7 | ± 5.9 |
| Body mass index (kg/m2) | 30.4 | ± 6.1 |
| Hypertension | 17 | 68% |
| Hypnotics | 10 | 40% |
| Opioid use | 9 | 36% |
| Atrial fibrillation | 5 | 20% |
| Coronary artery disease | 7 | 28% |
| Diabetes mellitus | 6 | 24% |
| Stroke | 4 | 16% |
| Congestive heart failure | 2 | 8% |
| Muscular dystrophy | 1 | 4% |
| Cheyne-Stokes respiration | 1 | 4% |
For the first 3 variables, group means and standard deviations are given; for remaining variables, the number of cases and corresponding percentage of the sample are listed. n = 25.