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Table 3 Multivariate analysis of patient characteristics possibly contributing to postoperative cardiopulmonary complications

From: Pulmonary arterial enlargement predicts cardiopulmonary complications after pulmonary resection for lung cancer: a retrospective cohort study

Variable Category Odds ratio 95 % CI P value
PA/A ratio Lowest REF 1.5–3.5 0.0002
0.1-point increase 2.3
Age (years) Lowest REF 1.1–1.3 0.03
1-year increase 1.2
Cardiopulmonary comorbidity - REF 0.7–11.6 0.2
+ 2.5
  1. CI confidence interval, PA/A ratio pulmonary-artery-to-aorta ratio, REF reference parameter