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Annals of Intensive Care

Table 5 Spearman’s coefficient of rank correlation between electrical impedance tomography indexes and breathing power performed over all the data points

From: Low-pressure support vs automatic tube compensation during spontaneous breathing trial for weaning

Breathing power

Electrical impedance tomography indexes

Anterior-to-posterior ratio

Center of ventilation

Coefficient of variation

Global inhomogeneity index

Elastic

− 0.38*

0.39*

− 0.18

0.34*

Resistive

− 0.39*

0.41*

− 0.18

0.43*

Total

− 0.36*

0.37*

− 0.16

0.41*

  1. * P < 0.05
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