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Table 1 Baseline characteristics of the patients according to gender

From: Gender differences in outcomes following isolated coronary artery bypass grafting: long-term results

Patients’ Characteristics Male (N = 5976) % Female (N = 1332) % p-value Standardized differences
<=70 year 3684 61.6 555 41.7 <.0001 −0.408
70-80 year 2255 37.7 699 52.5 <.0001 0.3
>80 year 264 4.4 124 9.3 <.0001 0.194
BMI > =30: obesity 1244 20.8 297 22.3 0.2309 0.036
Unstable angina 459 7.7 123 9.2 0.0583 0.056
Ejec. fraction < =30 % 166 2.8 25 1.9 0.0624 −0.06
Ejec. fraction 30 %-50 % 1550 25.9 304 22.8 0.0182 −0.073
Previous myocardial infarction 1804 30.2 417 31.3 0.4221 0.024
Serum Creatinine > =2 mg/dl 158 2.6 30 2.3 0.4142 −0.025
Diabetes 1788 29.9 481 36.1 <.0001 0.132
Systolic PA pressure > 60 mmHg 7 0.1 1 0.1 0.6746 −0.014
Chronic pulmonary disease 352 5.9 54 4.1 0.0082 −0.085
NYHA III-IV 628 10.5 154 11.6 0.261 0.034
Extracardiac arteriopathy 1396 23.4 306 23 0.7624 −0.009
Neurological dysfunction disease 109 1.8 31 2.3 0.2255 0.035
Previous cardiac surgery 137 2.3 16 1.2 0.0119 −0.083
Single-vessel disease 572 9.6 169 12.7 0.0007 0.099
Double-vessel disease 2328 39 527 39.6 0.6805 0.012
Triple-vessel disease 3076 51.5 636 47.7 0.0139 −0.075
Previous PCI 934 15.6 212 15.9 0.7947 0.008
Previous CABG 112 1.9 9 0.7 0.0019 −0.107
EuroScore: 0-4 3385 56.6 441 33.1 <.0001 −0.487
EuroScore: 5-6 1214 20.3 376 28.2 <.0001 0.185
EuroScore: 7-9 739 12.4 339 25.5 <.0001 0.339
EuroScore: > = 10 171 2.9 90 6.8 <.0001 0.183
OPCABG 483 8.1 114 8.6 0.5801 0.017
  1. BMI body mass index, LVEF left ventricular ejection fraction, NYHA New York Health Association, PCI percutaneous coronary intervention, CABG coronary artery bypass grafting, OPCABG Off-pump coronary artery bypass grafting