| BE | Bronchiectasis |
| BMI | Body mass index |
| BSI | Bronchiectasis Severity Index |
| COPD | Chronic obstructive pulmonary disease |
| FEF25–75 | Forced expiratory flow between 25% and 75% of FVC |
| FEV1 | Forced expiratory volume in the 1st second |
| FVC | Forced vital capacity |
| HFNT | High-flow nasal therapy |
| ICS | Inhaled corticosteroids |
| LABA | Long-acting beta2-agonist |
| LAMA | Long-acting muscarinic antagonist |
| mMRC | modified Medical Research Council |
| SGRQ | Saint George Respiratory Questionnaire |
| SpO2 | Peripheral blood oxygen saturation |
| VAS | Visual analog scale |
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