Start | End | |
Height cm | 140.1±12.6 | 157.4±13.5 |
Age yrs | 10.3±2.2 | 13.8±2.5 |
Weight kg | 32.9±8.3 | 45.9±11.7 |
FVC % pred Z | 96.3±16.2 | 94.2±14.7 |
FVC % pred K | 96.0±16.1 | 93.9±14.4 |
FVC % pred Q | 93.6±14.3 | 90.2±13.6 |
FVC % pred W | 98.5±15.1 | 96.5±13.9 |
FEV1 % pred Z | 89.6±20.2 | 83.2±16.8 |
FEV1 % pred K | 94.2±19.5 | 104.1±21.2 |
FEV1 % pred Q | 84.8±18.1 | 77.7±15.7 |
FEV1 % pred W | 88.7±18.9 | 81.6±16.6 |
Data are presented as mean±sd
PVC: forced vital capacity
FEV1: forced expiratory volume in one second
Z: using reference equation described in Zapletal et al. 9
K: using reference equation described in Knudson et al. 8
Q: using reference equation described in Quanjer et al. 4
W: using reference equation described in Wang et al. 6