Lung function | Males | Females | ||||
---|---|---|---|---|---|---|
Enrolled sample (N = 786) Mean ± SD | Analytical sample (N = 377) Mean ± SD | P value | Enrolled sample (N = 750) Mean ± SD | Analytical sample (N = 432) Mean ± SD | P value | |
Age 10 | ||||||
 FVC (L) | 2.35 ± 0.34 | 2.37 ± 0.34 | 0.385 | 2.24 ± 0.33 | 2.24 ± 0.33 | 0.862 |
 FEV1 (L) | 2.06 ± 0.30 | 2.07 ± 0.30 | 0.405 | 2.00 ± 0.29 | 2.00 ± 0.30 | 0.991 |
 FEV1/FVC | 0.87 ± 0.06 | 0.88 ± 0.06 | 0.831 | 0.90 ± 0.05 | 0.89 ± 0.06 | 0.620 |
Age 18 | ||||||
 FVC (L) | 5.35 ± 0.72 | 5.36 ± 0.72 | 0.853 | 3.96 ± 0.53 | 3.97 ± 0.52 | 0.591 |
 FEV1 (L) | 4.61 ± 0.62 | 4.61 ± 0.63 | 0.916 | 3.47 ± 0.45 | 3.48 ± 0.45 | 0.745 |
 FEV1/FVC | 0.87 ± 0.07 | 0.86 ± 0.07 | 0.597 | 0.88 ± 0.07 | 0.88 ± 0.07 | 0.679 |
Age 26 | ||||||
 FVC (L) | 5.85 ± 0.82 | 5.88 ± 0.83 | 0.588 | 4.24 ± 0.54 | 4.25 ± 0.54 | 0.694 |
 FEV1 (L) | 4.60 ± 0.72 | 4.64 ± 0.73 | 0.582 | 3.42 ± 0.43 | 3.43 ± 0.42 | 0.894 |
 FEV1/FVC | 0.79 ± 0.72 | 0.79 ± 0.07 | 0.904 | 0.81 ± 0.06 | 0.81 ± 0.06 | 0.662 |