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Table 2 Univariate logistic regression analysis of risk factors for CS-AKI

From: Role of elevated red cell distribution width on acute kidney injury patients after cardiac surgery

  Before Propensity Matching After Propensity Matching
OR 95%CI P-value OR 95%CI P-value
Age 1.030 1.027–1.034 <  0.001 0.999 0.993–1.005 0.782
Male 1.825 1.680–1.994 <  0.001 0.869 0.754–1.002 0.754
BMI 1.066 1.051–1.081 <  0.001 1.063 1.037–1.090 < 0.001
HTN 1.588 1.452–1.736 <  0.001 1.117 0.956–1.305 0.164
DM 1.305 1.145–1.487 <  0.001 1.095 0.860–1.395 0.46
Pre-operative coronary angiography 1.421 1.313–1.553 <  0.001 0.826 0.717–0.952 0.08
Hb 1.004 1.001–1.007 <  0.001 0.997 0.993–1.001 0.093
WBC 1.019 1.002–1.042 <  0.001 0.990 0.958–1.022 0.533
Plt 0.996 0.996–0.997 0.633 0.997 0.996–0.998 0.601
Elevated RDW 1.497 1.419–1.578 <  0.001 1.192 1.126–1.262 < 0.001
BUN 1.178 1.147–1.193 <  0.001 1.036 0998–1.076 0.064
Scr 1.015 1.013–1.017 <  0.001 1.002 0.998–1.006 0.325
eGFR 0.989 0.987–0.991 0.002 0.999 0.996–1.002 0.004
UA 1.003 1.003–1.004 <  0.001 1.002 1.001–1.003 < 0.001
Alb 0.954 0.941–0.965 <  0.001 0.986 0.996–1.006 0.162
CPB time (every 30 min) 1.498 1.439–1.559 <  0.001 1.490 1.385–1.603 < 0.001
ACC time (every 20 min) 1.295 1.248–1.343 <  0.001 1.253 1.176–1.336 < 0.001
  1. AKI acute kidney injury, BMI body mass index, HTN hypertension, DM diabetes mellitus, Hb hemoglobin, WBC white blood cell, Plt platelet, RDW red cell distribution width, BUN blood urea nitrogen, Scr serum creatinine, eGFR estimated glomerular filtration rate, SUA serum uric acid, CPB cardiopulmonary bypass, ACC Aortic cross-clamp