Table 4. Demographic, anthropometric data, and clinical parameters of the CPAP patient cohort (N = 231).
| Mean/n | SD/%N | |
|---|---|---|
| Age (years) | 52.01 | ±13.61 |
| Gender (male) | 167 | 72.3% |
| Body-mass index (kg/m2) | 32.72 | ±7.39 |
| Obesity (BMI > 30) | 154 | 66.7% |
| Neck circumference (cm) | 42.64 | ±5.11 |
| Hypertension | 150 | 64.9% |
| AHIs ≥ 30/h | 157 | 67.9% |
| Mean AHI | 44.39 | ±26.13 |
| Epworth sleepiness score ESS (0-24) | 11.38 | ±5.19 |
| Sleepiness (ESS ≥ 11) | 127 | 54.9% |
The values in Table 4 represent means (accompanied by standard deviation σ), or counts n (accompanied by percentage % of total N). Hypertension is defined as systolic blood pressure of ≥ 140 mmHg or diastolic blood pressure ≥ 90 mmHg.