Table 1.
Variability of repeated measurements with same devices | PulmoEIT100 (%) | PulmoVista500 (%) | p |
---|---|---|---|
TV/SVC | 18.0 ± 12.0 | 17.7 ± 13.7 | 0.92 |
Volume-impedance correlation | 0.6 ± 1.0 | 0.5 ± 0.4 | 0.21 |
Ventral to global ratio | 5.6 ± 11.2 | 4.3 ± 4.6 | 0.47 |
Right lung to global ratio | 2.0 ± 3.0 | 1.4 ± 1.6 | 0.17 |
GI | 4.1 ± 5.4 | 2.8 ± 2.5 | 0.16 |
CoV | 2.5 ± 6.4 | 1.7 ± 1.9 | 0.44 |
RVD | 24.5 ± 24.3 | 25.1 ± 25.1 | 0.90 |
TV tidal impedance variation, SVC impedance variation during SVC maneuver, GI the global inhomogeneity index, CoV center of ventilation, RVD regional ventilation delay.