Table 1 Unadjusted, i.e. before matching, pre- and operative data
Variable | CECC (n=175) | MECC (n=146) | p-value |
|---|---|---|---|
Age [years] | 68.4 ± 9.74 | 67.8 ± 8.74 | 0.55 |
Age group [n; %] | |||
<59 | 32 | 25 | 0.59 |
60 -69 | 64 | 54 | |
70-79 | 56 | 54 | |
>80 | 23 | 13 | |
Male gender [n; %] | 129; 73.7% | 113; 77.3% | 0.44 |
Logistic EuroSCORE [%, 95% CI] | 16.0 (13.4 to 18.2) | 12.8 (10.9 to 14.6) | 0.07 |
Ejection fraction [%] | 50 (40; 64) | 56 (45; 70) | 0.001* |
Height [cm] | 172 (165; 176) | 172 (166; 176) | 0.65 |
Weight [kg] | 82 (73; 93) | 80 (70; 90) | 0.11 |
Atrial fibrillation, preoperative [n; %] | 9; 5.1% | 6; 4.1% | 0.66 |
COPD, preoperative [n; %] | 17; 9.7% | 9; 6.1% | 0.24 |
Inhalative β2-Mimetic use [n; %] | 5; 2.9% | 4; 2.7% | 0.94 |
Myocardial infarction preoperative [n; %] | 140; 80% | 116; 79.4% | 0.90 |
Troponin I preoperative [ng/mL)A | 5.1 (1.0 to 21) | 3.8 (0.4 to 0.7) | 0.15 |
Insulin-dependent diabetes [n; %] | 15; 8.6% | 11; 7.6% | 0.73 |
Non insulin-dpendent diabetes [n; %] | 26; 14.8% | 21; 14.3% | 1.0 |
Diabetic nephropathy [n;%] | 9, 5.1% | 5; 3.4% | 0.45 |
Serum creatinine, preoperative [mg ×dL-1] | 1.0 (0.8; 1.3) | 0.9 (0.8; 1.2) | 0.05* |
Estimated GFR < 60 mL × min-1 × 1.73 m-2 [n; %] | 63; 36% | 32; 22% | 0.006 |
No of grafts [n] | 2.95 ± 0.88 | 2.7 ± 0.80 | 0.006* |
LIMA use [n; %] | 126; 72% | 121; 83% | 0.02* |
Bypass time [min] | 96 (69; 119) | 74 (54; 93) | < 0.0001* |
Aortic cross clamp time [min] | 47 (34; 61) | 37 (27; 50) | 0.0002* |