GLI 2012 | ECSC/ERS | NHANES III | |
Males | |||
FEV1 L | 3.45±0.69 | 3.28±0.64 | 3.42±0.72 |
FVC L | 4.41±0.78 | 4.14±0.69 | 4.49±0.77 |
FEV1/FVC | 0.78±0.02 | 0.77±0.03 | 0.76±0.03 |
Females | |||
FEV1 L | 2.49±0.51 | 2.30±0.54 | 2.50±0.53 |
FVC L | 3.12±0.58 | 2.72±0.58 | 3.19±0.57 |
FEV1/FVC | 0.80±0.02 | 0.78±0.03 | 0.79±0.03 |
Data are presented as mean±sd. GLI: Global Lung Initiative; ECSC: European Community for Steel and Coal; ERS: European Respiratory Society; NHANES: National Health and Nutrition Examination Survey; FEV1: forced expiratory volume in 1 s; FVC: forced vital capacity. All differences between predicted values are highly significant (p<0.0001).