Prediction of acute kidney injury following coronary artery bypass graft surgery in elderly Chinese population

Table 2 Variables and estimated coefficients by Lasso regression analysis

Variables	Coefficients
Constant	-0.167751
Age	0.001996
Hypertension	0.015928
T2DM	0.073192
Prior PCI	-0.001383
Prior CABG	0.090977
NYHA cardiac functional class III/IV	0.026491
Heart rate	0.000141
Systolic blood pressure	0.001253
eGFR	-0.000076
SCr	0.000661
UA	0.000029
BNP	0.000087
PLT	-0.000130
Triglycerides	-0.000923
ACE inhibitor/ARB	0.006850
Beta blocker	-0.034917
PPI	-0.031675
Loop diuretic	0.025012
Metformin	-0.034455
RBC transfusion	0.005728
PLT transfusion	0.159511
Plasma transfusion	0.001063
Use of IABP	0.149428
Use of ECMO	0.073207
Use of CPB	0.095614
Use of epinephrine	0.037103
Use of isoprenaline	0.053051
Use of dopamine	0.001977
Use of cephalosporin	-0.045134
Operation urine output	-0.002200
Operation total liquid intake	-0.000744

Abbreviations: AKI, acute kidney injury; T2DM, diabetes mellitus type 2; PCI, percutaneous coronary intervention; CABG, coronary artery bypass graft; NYHA, New York Heart Association; eGFR, estimated glomerular filtration rate; SCr, serum creatinine; UA, uric acid; BNP, B-type natriuretic peptide; PLT, platelet; ACE, angiotensin-converting enzyme; ARB, angiotensin receptor blocker; PPI, proton pump inhibitor; RBC, red blood cell; IABP, intra-aortic ballon pump; ECMO, extracorporeal membrane oxygenation; CPB, cardiopulmonary bypass

ISSN: 1749-8090