Differential impacts of clinical, anatomical, and procedural factors on early and late mortality following open thoracoabdominal aortic repair: a retrospective observational study.

In multivariable analyses, older age (odds ratio [OR], 2.12; 95% confidence interval [CI], 1.49–3.19; P < 0.001), low surgical volume (OR, 5.90; 95% CI, 2.10–17.01; P < 0.001), and high CPB time (OR, 1.13; 95% CI, 1.08–1.18; P < 0.001) were identified as significant independent predictors of early mortality, while blood hemoglobin level showed marginal significance (OR, 0.79; 95% CI, 0.54–0.99; P = 0.054).

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For instance, age, hemoglobin level, and renal function showed significant or modestly significant impacts on long-term mortality throughout the follow-up period (stable proportional hazards function).

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