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

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

	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
Creatinine^a			−0.196	0.046
HBP^a	−0.297	0.031

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.

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