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. Author manuscript; available in PMC: 2022 Jul 1.
Published in final edited form as: Ann Thorac Surg. 2020 Oct 13;112(1):206–213. doi: 10.1016/j.athoracsur.2020.07.060

Table 4.

Stratified Cox proportional hazards model for 5-year overall survival.

Hazard ratio (95% CI) P value
Nighttime 1.798 (1.079-2.995) 0.024
Recipient age (per year) 1.020 (0.986-1.055) 0.247
Male recipient 0.846 (0.374-1.911) 0.688
LAS (per unit) 1.002 (0.979–1.026) 0.884
Restrictive lung disease 0.571 (0.242-1.349) 0.201
Ischemic time (per minute) 1.000 (0.986–1.014) 0.964
Hypertension 0.840 (0.341-2.070) 0.705
Single lung transplant 3.319 (0.460-23.965) 0.234
Preoperative ECMO/MV 1.384 (0.284-6.733) 0.687
Donor age 1.020 (0.986-1.055) 0.247
Operation after 2009 0.378 (0.159-0.897) 0.027

Abbreviations: CI, confidence interval; ECMO, extracorporeal membrane oxygenation; LAS, lung allocation score; MV, mechanical ventilation.