| COPD | chronic obstructive pulmonary disease |
| FVC | forced vital capacity |
| FEV1 | forced expiratory volume in 1 s |
| FEV6 | forced expiratory volume in 6 s |
| ROC | receiver operating characteristic |
| AUROC | area under the ROC curve |
| COPD | chronic obstructive pulmonary disease |
| FVC | forced vital capacity |
| FEV1 | forced expiratory volume in 1 s |
| FEV6 | forced expiratory volume in 6 s |
| ROC | receiver operating characteristic |
| AUROC | area under the ROC curve |