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Table 3 Multivariate logistic regression analysis for the risk factors of postoperative AKI

From: Preoperative hidden renal dysfunction add an age dependent risk of progressive chronic kidney disease after cardiac surgery

  Age < 65 years Age ≥ 65 years
OR 95% CI P value OR 95% CI P-value
Age 1.030 1.012–1.078 <  0.01 1.108 1.017–1.230 <  0.01
Gender (male) 2.451 1.890–3.378 <  0.01 2.125 1.435–4.160 <  0.01
BMI     1.078 1.011–1.146 0.023
Hypertension 1.389 1.028–1.785 0.022    
Aorta surgery 1.809 1.088–2.847 0.013    
CPB time 1.010 1.006–1.013 <  0.01    
eGFR ≥90 mL/min/1.73 m2 Reference    
60 ≤ eGFR < 90 mL/min/1.73 m2 1.729 0.764–3.021 0.257    
eGFR < 60 mL/min/1.73 m2 1.326 1.078–2.897 <  0.01    
Intraoperative hypotension 3.338 1.204–6.016 <  0.01 2.013 1.034–3.145 <  0.01
LCOS 2.834 1.124–4.576 < 0.01 2.126 1.018–3.896 < 0.01
  1. Abbreviations: BMI body mass index, CPB cardiopulmonary bypass, eGFR estimated glomerular filtration rate, LCOS low cardiac output syndrome