| Abbreviation | Definition |
| AHI | Apnea–Hypopnea Index |
| BMI | Body Mass Index |
| CAD | Coronary Artery Disease |
| CHD | Coronary Heart Disease |
| CI | Confidence Interval |
| CPAP | Continuous Positive Airway Pressure |
| CV | Cardiovascular |
| CVD | Cardiovascular Disease |
| DM | Diabetes Mellitus |
| HF | Heart Failure |
| HR | Hazard Ratio |
| HTA | Hypertension Arterial |
| I2 | Heterogeneity Index |
| NOS | Newcastle–Ottawa Scale |
| OSA | Obstructive Sleep Apnea |
| PI | Prediction Interval |
| PRISMA | Preferred Reporting Items for Systematic Reviews and Meta-Analyses |
| PSG | Polysomnography |
| RCT | Randomized Controlled Trial |
| RR | Relative Risk |
| SDB | Sleep-Disordered Breathing |
| SMD | Standardized Mean Difference |