Fig. 1From: Prediction of acute kidney injury risk after cardiac surgery: using a hybrid machine learning algorithmDescription of the top 30 variables for prediction of AKI after cardiac surgery. Abbreviations: CCS class, Canadian Cardiovascular Society (CCS) grading of angina severity; Recent MI, Recent MI within 30Â days of surgery; NYHA class, New York Heart Association Function class; BMI, body mass index; CARE score, Cardiac Anesthesia Risk Evaluation (CARE) mortality risk score; CABG, Coronary artery bypass grafting; GFR, glomerular filtration rateBack to article page