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Patient Characteristics
| Demographics | N (% or interquartile range) |
|---|---|
| Female | 7 (28) |
| Age, median (years) | 6.7 (3.4) |
| Weight, median (kilograms) | 22.2 (11.4) |
| Patient Groups | |
| Patients with cystic fibrosis (CF) | 6 (24) |
| Normal breath sounds, without CF | 9 (36) |
| Wheeze onlya | 5 (20) |
| Crackles ± wheezea | 5 (20) |
apatients in these groups were diagnosed with lower respiratory tract infection, asthma or preschool wheeze
