Characteristics of the studied population
| Total population n=312 | ‘High-risk’ subgroup n=116 | |
|---|---|---|
| Male; % | 50.32 | 72.41 |
| Age (years); mean±SD | 61.16±10.71 | 61.55±10.81 |
| 40–60 years; % | 50.00 | 48.28 |
| 60–85 years; % | 50.00 | 51.72 |
| BMI, kg/m2; mean±SD | 26.19±4.60 | 27.49±5.10 |
| AHI, n/h; median (IQR) | 13.85 (4.50–27.10) | 16.85 (6.95–30.95) |
| AHI categories; n (%) | ||
| AHI<5/h | 80 (25.6) | 23 (19.8) |
| AHI 5–15/h | 80 (25.6) | 30 (25.9) |
| AHI 15–30/h | 78 (25.0) | 31 (26.7) |
| AHI ≥30/h | 74 (23.7) | 32 (27.6) |
| ODI 3%, n/h; median (IQR) | 13.1 (4.6–24.6) | 17.65 (6.80–27.95) |
| ODI 4%, n/h; median (IQR) | 5.75 (1.35–14.7) | 9.00 (2.65–18.40) |
AHI, apnoea–hypopnoea index; BMI, body mass index; ‘high-risk’ for OSA, subjects with an Epworth Sleepiness Scale score of >10 and/or a STOPBANG score of ≥3/8; ODI, oxygen desaturation index; OSA, obstructive sleep apnoea.