Relation between change in tidal volume (Vt) and change in pressure swing (Ptot) by analysis of covariance for the total group
| Relation between ΔVt and ΔPtot | Coefficient | p value |
|---|---|---|
| Intercept (β0) | 0.97 | 0.000 |
| Group (β1) | −0.42 | 0.208 |
| ΔPtot (β2) | 0.09 | 0.161 |
| ΔPtot × group (β3) | −0.10 | 0.254 |
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No significant relation was found in the total group nor in one group compared with the other.









