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Table 1 Demographic and baseline characteristics

From: Intra-aortic balloon pump does not influence cerebral hemodynamics and neurological outcomes in high-risk cardiac patients undergoing cardiac surgery: an analysis of the IABCS trial

VariableIABP
n = 34
CG
n = 33
p-value
Gender, male27 (79.4%)24 (72.7%)0.520
Age, years64 ± 864 ± 100.750
LVEF (%)40 [36–42]40 [33–45]0.455
EuroSCORE6 [4–7]5 [3–6]0.158
Risk factors
 Previous cardiac surgery, n00
 Previous myocardial infarction, n (%)31 (91.2%)24 (72.7%)0.049
 Hypertension, n (%)26 (76.5%)27 (81.8%)0.427
 Peripheral vascular disease, n (%)5 (14.7%)2 (6.1%)0.197
 COPD, n (%)1 (2.9%)1 (3%)1.000
 Current smoking, n (%)8 (23.5%)8 (24.2%)0.945
 Previous smoking < 6 months, n (%)14 (41.2%)18 (54.5%)0.273
 Dyslipidemia, n (%)19 (55.9%)27 (81.8%)0.022
 Diabetes, n (%)16 (47.1%)17 (51.5%)0.715
 Atrial fibrillation, n (%)3 (8.8%)2 (6.1%)1.000
 Previous stroke, n (%)4 (11.8%)1 (3.0%)0.356
 Hepatic disease, n (%)00
 Obesity (BMI > 30) n (%)3 (8.8%)7 (21.2%)0.186
 Left coronary trunk lesion > 50%, n (%)10 (29.4%)11 (33.3%)0.729
 Valve disease, n (%)6 (17.6%)3 (9.1%)0.476
Medication
 Beta-blocker, n (%)25 (73.5%)29 (87.9%)0.138
 ACE inhibitor, n (%)23 (67.6%)27 (81.8%)0.183
 Acetylsalicylic acid, n (%)26 (76.5%)28 (84.8%)0.539
 Vitamin K antagonist, n (%)1 (2.94%)2 (6.1%)0.614
  1. Values are n (%), population mean ± SD or median [interquartile range]. IABP intra-aortic balloon pump, CG control group, LVEF left ventricular ejection fraction, BMI body mass index, ACE angiotensin-converting enzyme, CABG coronary artery bypass graft, CPB cardiopulmonary bypass, COPD chronic obstructive pulmonary disease