Infant details at time of lung function test
| Infants with CF (n=71) | Healthy controls (n=54) | Δ (95% CI) CF – controls | p Value | |
| Age at test*, weeks | 11.4 (2.3) | 12.2 (2.0) | –0.82 (–1.59 to –0.06) | 0.043 |
| Weight, kg | 5.32 (0.84) | 6.05 (0.78) | –0.73 (–1.02 to –0.45) | <0.001 |
| Weight, z-score† | –0.75 (1.08) | 0.06 (1.93) | –0.81 (–1.17 to –0.45) | <0.001 |
| Length, cm | 59.2 (2.7) | 61.6 (2.3) | –2.4 (–3.3 to –1.7) | <0.001 |
| Length, z-score† | –0.14 (1.04) | 0.72 (0.86) | –0.86 (–1.19 to –0.52) | <0.001 |
| Body mass index | 15.1 (1.6) | 15.9 (1.4) | –0.8 (–1.3 to –0.3) | 0.005 |
| Body mass index, z-score† | –0.94 (1.08) | –0.47 (0.98) | –0.47 (–0.84 to –0.10) | 0.013 |
| Change in weight z-score (3 month – birth) | –0.42 (1.06) | 0.05 (1.00) | –0.46 (–0.83 to –0.10) | 0.014 |