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Table 5 Hazard ratios with confidence intervals from a Cox regression model with all patients

From: Duration of invasive mechanical ventilation prior to extracorporeal membrane oxygenation is not associated with survival in acute respiratory distress syndrome caused by coronavirus disease 2019

  HR (95% C.I.) p value
Pre-ECMO IMV 0.9282 (0.8792, 0.98) 0.0072
Age 1.0909 (0.8792, 1.1438) 0.0003
RESP score excluding age and IMV 0.7798 (0.8792, 1.2859) 0.3298
SOFA score excluding PaO2/FiO2 1.3092 (0.8792, 1.4904)  < 0.001
Underlying pulmonary disease 1.9651 (0.8792, 4.4373) 0.104
  1. IMV invasive mechanical ventilation, RESP respiratory ECMO survival prediction, SOFA Sequential Related Organ Failure Assessment, PaO2 partial pressure of arterial oxygen, FiO2 fraction of inspired oxygen