| ppfev1 | Percent predicted FEV1 for latest exam | FEV1占预测值百分比 |
| ppfvc | Percent predicted FVC for latest exam | FVC占预测值百分比 |
| ppratio | Percent predicted FEV1/FVC for latest exam | FEV1/FVC占预测值百分比 |
| ppfef | Percent predicted FEF25-75 for latest exam | FEF25-75占预测值百分比 |
| ppfefrat | Percent predicted FEF25-75/FVC for latest exam | FEF25-75/FVC占预测值百分比 |
| meanfev1 | Mean FEV1 from two exams | FEV1均值 |
| meanfvc | Mean FVC from two exams | FVC均值 |
| meanratio | Mean FEV1/FVC from two exams | FEV1/FVC均值 |
| Fev1slope | Longitudinal slope of FEV1 | FEV1纵向斜率 |
| fefslope | Longitudinal slope of FEV25-75 | FEV25-75纵向斜率 |