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Table 2 Comparison of demographic and clinical data between the two groups

From: Left ventricular function outcome after coronary artery bypass grafting, King Abdullah Medical City (KAMC)- single-center experience

VariablesGroup I (preoperative LVEF > 35), N = 76 (69%)Group II (preoperative LVEF < 35), N = 34 (31%)p value
Age > 6527 (35.5%)9 (26.5%)0.350
DM57 (75.0%)31 (91%)0.05
HTN57 (75.0%)26 (76%)0.117
Smoking32 (42.1%)12 (35.3%)0.500
Dyslipidemia42 (56.8%)15 (45.5%)0.279
CKD11 (14.5%)7 (20.6%)0.423
Obesity33 (43.4%)19 (55.9%)0.226
OLD IHD56 (73.7%)27 (79.4%)0.519
High BNP19 (55.9%)9 (75.0%)0.243
NEHA class II/III57 (75%)26 (76%)0.117
Standard Euro SCORE6 (4-8)8 (6–10)< 0.001
High TROPONIN64 (84.2%)34 (100%)0.014
High Initial SCR19 (25.0%)8 (23.5%)0.868
Dilated LV8 (10.5%)7 (20.6%)0.155
Diastolic dysfunction26 (34.1%)21 (61.7%)0.025
Dilated LA10 (13.2%)5 (14.7%)0.827
Dilated RA3 (3.9%)0 (0.0%)0.240
Dilated RV size6 (8.0%)3 (8.8%)0.885
MR19 (25.0%)12 (35.3%)0.267
TR5 (6.6%)4 (11.8%)2.688
RVD (reduced TAPSE Pre-OP)4 (5.3%)7 (20.6%)0.013
LM disease11 (14%)4 (12%)0.76
Emergent surgery2 (2.6%)2 (5.8)0.08
CABG alone59 (78%)28 (82%)
CABG + MVR17 (22%)6 (18%)
  1. AKI acute kidney injury, BMI body mass index, BNP B-natriuretic peptide, CABG coronary artery bypass grafting, CKD chronic kidney disease, DM diabetes mellitus, Euro SCORE European System for Operative Risk Evaluation, HTN hypertension, IABP intra-aortic balloon pump, IHD ischemic heart disease, LA left atrium, LM left main, LV left ventricle, LVEF left ventricular ejection fraction, MR mitral regurgitation, MVR mitral valve replacement, NEHA New York Heart Association, RA right atrium, RV right ventricle, RVD right ventricular dysfunction, S CR serum creatinine, STEMI ST-Elevation Myocardial Infarction, TAPSE tricuspid annular plan systolic excursion, TR tricuspid regurgitation