Table 1 Calculations to extract additional Vt according to predicted and measured PFTs
From: Do athletes require a higher tidal volume? An approach using predicted versus measured PFTs
|  |  | Vt to PFTs (%) | Vt to PFTs (%) | δ | VtA (ml) | VtN (ml) |
|---|---|---|---|---|---|---|
| Â | Vt Pr (ml) | FEV1 Pr | FEV1 Ms | FEV1 | FEV1 | FEV1 |
Males | 476.3 (6.1) | 10.0 (016) | 10.9 (0.13) | 0.87 (0.1) | 47.7 (5.1) | 524 (8.1) |
Females | 384.9 (6.0) | 10.4 (0.2) | 11.1 (0.16) | 0.67 (0.1) | 29.9 (4.7) | 414.8 (7.8) |
| Â | Vt Pr (ml) | FVC Pr | FVC Ms | FVC | FVC | FVC |
Males | 476.3 (6.1) | 8.35 (0.12) | 9.1 (0.1) | 0.75 (0.1) | 51.3 (5.7) | 527 (9.1) |
Females | 384.9 (6.0) | 8.9 (0.17) | 9.6 (0.14) | 0.67 (0.1) | 34.7 (5.5) | 419 (8.6) |