Table 1 Baseline of patients in PEA and Control group
|  | PEA group (n = 89) | Control group (n = 89) | P-value |
|---|---|---|---|
Age (years) | 65.1 ± 4.6 | 66.2 ± 4.5 | 0.118 |
Female patients (%) | 24 (27.0) | 27 (30.3) | 0.740 |
BMI (kg/m2) | 25.8 ± 3.2 | 25.8 ± 2.6 | 0.908 |
Medical history | |||
 Hypertension (%) | 19 (21.3) | 30 (33.7) | 0.185 |
 Diabetes (%) | 13 (14.6) | 21 (23.6) | 0.181 |
 Renal insufficiency (%) | 2 (2.2) | 5 (5.6) | 0.444 |
 Cerebral infarction (%) | 10 (11.2) | 6 (6.7) | 0.443 |
 Smoking (%) | 29 (32.6) | 27 (30.3) | 0.875 |
 Preoperative ejection fraction (%) | 59.2 ± 3.3 | 58.8 ± 3.7 | 0.536 |
 Euro Score | 7.61 ± 2.14 | 7.79 ± 2.34 | 0.453 |
Number of heart bypasses | 4.10 ± 0.45 | 4.11 ± 0.44 | 0.465 |