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Table 3 Differences between optimal PEEP based on ODCL, GI and Cdyn

From: The global inhomogeneity index assessed by electrical impedance tomography overestimates PEEP requirement in patients with ARDS: an observational study

  ARDS p-value Correlation (r) Control p-value Correlation (r)
ODCL - GI −6.2 (3.3) < 0.001* 0.535 −4.6 (3.8) < 0.001* 0.030
ODCL - Cdyn 0.6 (2.1) 0.161 0.711 −0.1 (2.2) 0.826 0.526
GI - Cdyn 6.8 (3.1) < 0.001* 0.622 4.5 (4.4) 0.001* 0.110
  1. Data are presented as means ±SD. ODCL, balance between alveolar overdistension and collapse; GI, global inhomogeneity index; Cdyn, dynamic respiratory system compliance; ARDS, acute respiratory distress syndrome; r, Pearson’s correlation coefficient (*p < 0.05)