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Table 3 Univariate Factors associated with early CSA-AKI.

From: Difference between pre-operative and cardiopulmonary bypass mean arterial pressure is independently associated with early cardiac surgery-associated acute kidney injury

Predictor Odds Ratio 95% CI P-value
Male Sex 1.06 0.5-2.1 0.87
Age (per year) 1.01 0.99-1.04 0.25
Age ≥ 75 years (present) 1.7 0.8-3.5 0.15
BMI (kg/m2)(per 1 point) 1.2 0.8-3.5 < 0.0001
BMI ≥25 kg/m2 (present) 4.4 1.9-10.2 0.0007
Valve disease (present) 0.55 0.3-1.0 0.06
DM (present) 2.2 1.1-4.2 0.025
PVD (present) 1.9 0.9-3.3 0.19
HTN (present) 1.7 0.9-3.3 0.12
Delta MAP (per 1 mmHg) 1.02 0.99-1.04 0.14
Delta MAP ≥26 mmHg (present) 2.1 1.1-4.2 0.024
Flow ≥54 per mL/kg/min (present) 0.2 0.1-0.5 0.0002
pH 1.4 0.8-2.7 0.26
Pre-operative ACE inhibitor (present) 0.6 0.3-1.1 0.1
Valve Surgery (present) 0.5 0.3-1 0.07
Peak CPB-MAP 0.5 0.2-0.97 0.04
Pre-operative Systolic BP (≥111 mmHg) 2.1 0.99-4.6 0.05
Duration of CPB MAP ≤60 (per 1 min) 1.99 0.9-4.4 0.89
  1. Abbreviations: BMI = Body Mass Index; DM = Diabetes Mellitus PVD = Peripheral Vascular Disease; HTN = Hypertension; MAP = Mean Arterial Pressure; ACE = Angiotensin Converting Enzyme; CPB=Cardiopulmonary Bypass' MAP = mean arterial pressure