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Correlation between lung volume measured by the volumetric method and preoperative and postoperative pulmonary function
| Variable | FVC | FEV1 | ||
|---|---|---|---|---|
| r | P | r | P | |
| FLV | ||||
| Preoperative | 0.610 | 0.000 | 0.421 | 0.001 |
| Postoperative | 0.634 | 0.000 | 0.508 | 0.000 |
| TLV | ||||
| Preoperative | 0.684 | 0.000 | 0.473 | 0.000 |
| Postoperative | 0.557 | 0.000 | 0.425 | 0.001 |
FEV1, forced expiratory volume in 1 s; FLV, functional lung volume; FVC, forced vital capacity; TLV, total lung volume
