Table 1.
Sample characteristics
| All patients, N = 241 | Previous therapy experience, n = 149 | No previous therapy experience, n = 92 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| % | Mean | ± SD | % | Mean | ± SD | % | Mean | ± SD | p-value | |
| Gender | – | – | – | – | – | – | – | – | – | 0.052 |
| Female | 30.7 | – | – | 26.2 | – | – | 38.0 | – | – | – |
| Male | 69.3 | – | – | 73.8 | – | – | 62.0 | – | – | – |
| Age (years) | – | 57.2 | 13.8 | – | 61.3 | 12.4 | – | 51.6 | 14.0 | < 0.001 |
| Body mass index (kg/m2) | – | 31.4 | 6.2 | – | 32.1 | 6.5 | – | 30.7 | 6.2 | 0.224 |
| Respiratory disturbance index | – | 15.5 | 18.6 | – | 14.1 | 19.0 | – | 22.5 | 16.7 | < 0.001 |
| Epworth Sleepiness Scale | – | 8.1 | 5.0 | – | 8.1 | 5.1 | – | 9.1 | 5.0 | 0.145 |
| Comorbidities | – | – | – | – | – | – | – | – | – | – |
| Arterial hypertension | 59.9 | – | – | 62.1 | – | – | 56.5 | – | – | 0.397 |
| Diabetes mellitus type II | 14.8 | – | – | 19.3 | – | – | 7.6 | – | – | 0.014 |
| Coronary artery disease | 11.4 | – | – | 15.2 | – | – | 5.4 | – | – | 0.022 |
| s/p myocardial infarction | 4.2 | – | – | 4.8 | – | – | 3.3 | – | – | 0.560 |
| s/p stroke | 3.4 | – | – | 4.8 | – | – | 1.1 | – | – | 0.121 |
| Current OSA treatment | – | – | – | – | – | – | – | – | – | < 0.001 |
| None | 50.7 | – | – | 20.1 | – | – | 100.0 | – | – | – |
| PAP therapy | 47.7 | – | – | 77.2 | – | – | 0.0 | – | – | – |
| Other | 1.6 | – | – | 2.7 | – | – | 0.0 | – | – | – |
N = 241
SD standard deviation, OSA obstructive sleep apnea, PAP positive airway pressure therapy, s/p status post