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Table 4 Linear regression analysis of outcomes for ventilator-free days/nonpulmonary organ failure-free days in patients with ALI/ARDS

From: Increased plasma levels of heparin-binding protein in patients with acute respiratory distress syndrome

  Ventilator-free days Nonpulmonary organ failure-free days
  Standardized coefficient (β) Pvalue Standardized coefficient (β) Pvalue
APACHE II score    −0.566 0.022
LIS −0.428 0.027   
PO2/FiO2 0.575 0.018   
Creatininea    −0.196 0.046
HBPa −0.297 0.031   
  1. ALI, acute lung injury; APACHE, Acute Physiology and Chronic Health Evaluation; ARDS, acute respiratory distress syndrome; HBP, heparin-binding protein; LIS, Lung Injury Score; PO2/FiO2, ratio of arterial oxygen partial pressure and inspiratory oxygen fraction. aLog-transformed to achieve a normal distribution.