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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 powerElectrical impedance tomography indexes
Anterior-to-posterior ratioCenter of ventilationCoefficient of variationGlobal inhomogeneity index
Elastic− 0.38*0.39*− 0.180.34*
Resistive− 0.39*0.41*− 0.180.43*
Total− 0.36*0.37*− 0.160.41*
  1. * P < 0.05