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Table 2 Univariate Analysis of Risk Factors for the Overall Cohort

From: Risk factors analysis of acute kidney injury following open thoracic aortic surgery in the patients with or without acute aortic syndrome: a retrospective study

Variable Odds Ratio 95% Confidence Interval P Value
Age (y) 1.01 0.99–1.02 0.6
Sex, male 1.48 0.95–2.28 0.08
Weight 1.02 1.01–1.04 0.006
Hypertension 2.07 1.38–3.10 < 0.001
Preoperative platelet 1.00 0.99–1.00 0.006
Preoperative lymphocyte 0.64 0.46–0.88 0.007
Preoperative monocyte 3.76 2.02–7.00 < 0.001
Preoperative neutrophil 1.16 1.08–1.23 < 0.001
NLR 1.17 1.10–1.25 < 0.001
LMR 0.88 0.81–0.96 0.003
Preoperative urinary protein + or ++ 2.43 1.30–4.53 0.005
Marfan syndrome 0.25 0.09–0.70 0.008
Aortic dissection 2.67 1.77–4.04 < 0.001
Standford type-A aortic dissection 2.80 1.84–4.24 < 0.001
Intraoperative fresh frozen plasma use 1.00 1.00–1.00 0.01
Involving the aortic arch 2.66 1.76–4.02 < 0.001
Involving the descending aorta 3.03 1.97–4.67 < 0.001
CPB duration 1.01 1.01–1.02 < 0.001
DHCA or MHCA 2.72 1.80–4.11 < 0.001
Aortic cross-clamp time 1.02 1.01–1.02 < 0.001
Operation time 1.63 1.41–1.89 < 0.001
Combined valvular surgery 0.43 0.28–0.64 < 0.001
  1. Abbreviations: NLR Neutrophil to Lymphocyte Ratio, LMR Lymphocyte to Monocyte Ratio, SCr Serum Creatinine, CPB Cardiopulmonary Bypass, DHCA Deep Hypothermia and Circulatory Arrest, MHCA Median Hypothermia and Circulatory Arrest