Early intravenous unfractionated heparin and outcome in acute lung injury and acute respiratory distress syndrome – a retrospective propensity matched cohort study

Table 3 Conditional logistic regression of mortality of patients with acute lung injury matched using propensity score

	Mortality rate (No. deaths/total No. of patients)	OR (95% CI)	p
Heparin use¹ (28-day mortality)	30 (50/164)	1.22 (0.79/1.90)	0.36
Heparin use¹ (90-day mortality)	39 (64/164)	1.08 (0.73/1.59)	0.71

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