Clinical characteristics and parameters resulting in high clinical suspicion for obstructive sleep apnoea (OSA) in patients with COPD
| Symptoms compatible with OSA, such as snoring, witnessed apnoeas, unrefreshed sleep, daytime sleepiness and nocturia |
| Obesity as measured by: |
| Body mass index (>30 kg·m−2 in males and >35 kg·m−2 in females) |
| Neck circumference (>43 cm in males and >41 cm in females) |
| Deranged blood gases |
| Persistent daytime hypoxaemia |
| Hypercapnia |
| Signs of pulmonary hypertension or right heart failure, such as peripheral oedema |
| Polycythaemia |
| Use of opioids and/or hypnotic medications |
| Comorbidities such as: |
| Resistant hypertension |
| Atrial fibrillation |
| Heart failure |
| Type 2 diabetes |
| Stroke |
| End-stage renal disease |