| OSA | Obstructive Sleep Apnoea |
| AHI | Apnoea and Hypopnoea Index |
| EV | Vascular Diseases |
| HBP | High Blood Pressure |
| CPAP | Continuous Positive Airway Pressure |
| BMI | Body Mass Index |
| PG | Respiratory Polygraphy |
| PSG | Polysomnography |
| T90% | Percentage of time with peripheral oxygen saturation ≤ 90% |
| ID3 | Oxygen Desaturation Index or number of drops in peripheral oxygen saturation ≥ 3%/h of recording |
| HR | Heart Rate |
| SpO2 | Peripheral Oxygen Saturation |
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