Table 1.
Patient characteristics
| Characteristics | Preschool | School age |
|---|---|---|
| Number of patients | 61 | |
| Sex, male (%) | 32 (52.4) | |
| Age, y | 4.07 (3.25, 4.67) | 10.65 (8.75, 11.83) |
| Time between scans, y | 6.58 (5.08, 8.08) | |
| Respiratory subscores | ||
| %Disease | 0.7 (0, 0.98) | 1.73 (0.28, 2.86) |
| %MUPAT | 0.46 (0, 0.51) | 0.58 (0, 0.82) |
| %Bronchiectasis | 0.23 (0, 0.29) | 1.15 (0, 1.43) |
| FEV1 (%) predicted | NA | 89.93 (76.5, 97.3) |
| Quality of life (CFQ‐R score) | NA | 76.26 (67, 92) |
| Number of exacerbations | – | 0.72 (0, 1) |
| Genotype | ||
| F508 del/F508 del (%) | 61 | |
| F508 del/other (%) | 38 | |
| Other/other (%) | 2 | |
| Pancreatic insufficiency (%) | 92 | |
| Pseudomonas infection (%) ever | 28 | 42 |
| Mean courses of IV antibiotics (range) | ||
| Birth to preschool CT | 0.44 (0, 5) | 0.75 (0, 9) |
| Preschool CT to school‐age CT | ||
Note: Patient characteristics at the time of the preschool and last school‐age CT scan. Data are presented as no. (%) or mean (interquartile range).
Abbreviations: CF, cystic fibrosis; CT, computed tomography; CFQ‐R, CF quality of life revised; FEV1, forced expiratory volume 1; NA, not available.