| BMI | body mass index |
| bQOD-NS | Brief Questionnaire of Olfactory Disorder—Negative Statements |
| CF | cystic fibrosis |
| CFTR | cystic fibrosis transmembrane conductance regulator |
| ChiPSO | Children’s Personal Significance of Olfaction |
| CwCF | children with cystic fibrosis |
| ETI | Elexacaftor/Tezacaftor/Ivacaftor |
| FEV1 | forced expiratory volume in 1 s |
| FVC | forced vital capacity |
| OD | olfactory dysfunction |
| PwCF | people with cystic fibrosis |
| QoL | quality of life |
| U-Sniff | Universal Sniff Identification test |
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