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. Author manuscript; available in PMC: 2011 May 1.
Published in final edited form as: Ann Thorac Surg. 2010 May;89(5):1555–1562. doi: 10.1016/j.athoracsur.2010.01.060

Table 5.

Multivariate Cox Proportional Hazards Model for Independent Predictors of BOS

Variable Hazard Ratio 95% Confidence Interval p Valuea
High Pao2 (≥ 75th percentile or ≥ 509 mm Hg) 1.38 1.11-1.73 0.005a
Donor old age (≥ 60 years old) 1.16 1.002-1.33 0.047a
Donor history of myocardial infarction 1.79 1.00-3.19 0.05
Donor active pulmonary infection 1.04 0.88-1.23 0.63
Donor traumatic cause of death 1.0 0.87-1.14 0.97
HLA mismatch 1.08 0.98-1.18 0.14
Current tobacco use (< 6 months from donation) 1.33 1.18-1.49 <0.0001a
a

Significance p < 0.05

BOS = bronchiolitis obliterans syndrome; HLA = human leukocyte antigens; Pao2 = partial pressure of oxygen in arterial blood.