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Table 2 Logistic regression of risk factors for AonC.

From: Effect of angiography timing on acute kidney injury after cardiac surgery in patients with preoperative renal dysfunction

 

Univariate analysis

 

Multivariate analysis

 

OR

95%CI

P value

 

OR

95%CI

P value

Male

1.449

1.109–1.893

0.007

 

1.903

1.213–2.984

0.005

Age

1.007

0.990–1.025

0.402

    

BMI

1.004

0.960–1.050

0.857

    

Interval

0.928

0.899–0.957

0.001

 

0.931

0.873–0.993

0.03

0-2d

1.602

1.147–2.237

0.008

 

2.161

1.094–4.270

0.026

3-6d

1.618

1.134–2.309

0.006

 

3.291

1.622–6.677

0.001

≥7d

Reference

   

Reference

  

Contrast volume

0.997

0.992–1.003

0.305

    

Contrast volume eGFR ratio

0.949

0.844–1.068

0.384

    

Hypertension

1.332

1.021–1.739

0.035

 

1.232

0.769–1.972

0.489

DM

1.133

0.809–1.587

0.467

    

NYHA grade 3–4

1.044

0.780–1.398

0.770

    

LVEF

0.982

0.966–0.998

0.03

 

0.980

0.956–1.005

0.052

Hemoglobin

0.987

0.979–0.995

0.001

 

0.986

0.972–1.001

0.056

Albumin

0.938

0.903–0.976

0.001

 

0.919

0.869–1.023

0.199

BUN

0.998

0.967–1.030

0.907

    

Serum creatinine

1.001

0.998–1.003

0.642

    

eGFR

0.988

0.975–1.001

0.075

    

15 ≤ eGFR < 30 ml/min/1.73m2

1.048

0.582–1.884

0.877

   

0.536

30 ≤ eGFR < 45 ml/min/1.73m2

1.448

1.041–2.013

0.028

   

0.053

45 ≤ eGFR < 60 ml/min/1.73m2

Reference

   

Reference

  

Uric acid

1.001

1.000-1.002

0.088

    

CPB duration

1.003

1.000-1.007

0.087

    

Cross-clamp duration

1.007

1.00-1.013

0.039

 

1.009

1.000-1.017

0.040

Combined surgery

2.749

1.587–4.762

< 0.001

 

2.882

0.865–6.776

0.346

  1. AonC: Acute kidney injury superimposed on chronic kidney disease; BMI: Body Mass Index; BUN: Blood Urea Nitrogen; CABG: Coronary artery bypass grafting; CPB: Cardiopulmonary bypass; DM: Diabetes mellitus; eGFR: Estimated glomerular filtration rate, calculated by CKD-EPI formulae; LVEF: Left ventricular ejection fraction; NYHA: New York Heart Association, NS: not significant
  2. † Interval refers to the time between contrast exposure and cardiac surgery