Structural lung disease extent as detected by computed tomography (CT) scans at annual review by age group
| <2 years | 2–5 years | >5 years | ||||
| OR (95% CI) | p-value | OR (95% CI) | p-value | OR (95% CI) | p-value | |
| Total CT score | −0.10 (−1.58–1.38) | 0.89 | 1.73 (−0.55–4.00) | 0.14 | 5.14 (1.46–8.83) | 0.01# |
| Bronchiectasis score | 0.03 (−0.30–0.35) | 0.86 | 0.80 (−0.05–1.65) | 0.07 | 1.57 (0.04–3.11) | 0.04# |
| Air trapping score | 0.90 (0.19–1.62) | 0.01# | 1.50 (0.72–2.29) | 0.001 | 1.53 (0.37–2.68) | 0.01# |
| Bronchial wall thickening score | −0.92 (−1.82– −0.01) | 0.04# | −0.46 (−1.50–0.58) | 0.39 | 1.14 (−0.33–2.60) | 0.13 |
| Mucus plugging score | 0.00 (−0.10–0.09) | 0.93 | −0.15 (−0.46–0.17) | 0.36 | 0.42 (−0.26–1.11) | 0.23 |
OR: odds ratio. #: p<0.05.