Table 1 Demographic data and surgical procedures
From: Acute kidney injury in septua- and octogenarians after cardiac surgery
Variable | Septuagenarians (n = 299) | Octogenarians (n = 299) | p-value |
|---|---|---|---|
Age [years] | 74 ± 2.8 | 82 ± 2.1 | < 0.001 |
Female [%] | 46 | 46 | 1.00 |
Body mass index [kg × m-2]B | 28 (25; 31) | 26 (24; 28) | < 0.001 |
COPD [%] | 8.7 | 8.4 | 0.89 |
Atrial fibrillation [%] | 13.4 | 14.4 | 0.81 |
Insulin-dependent diabetes [%] | 11 | 8.4 | 0.33 |
Ejection fraction [%] | 61 ± 13 | 59 ± 13 | 0.34 |
Logistic EuroSCORE [%]A | 8.5 (7.7 to 9.4) | 13.2 (12.1 to 14.4) | < 0.001 |
Recent myocardial infarction [%] | 24.1 | 28.4 | 0.27 |
Serum creatinine on admission [mg/dL]B | 1 (0.8; 1.2) | 1.1 (0.9; 1.3) | 0.05 |
eGFR < 60 ml × min-1 × 1.73 m-2 [%] | 34.4 | 44.0 | 0.02 |
Active smoker [%] | 6.4 | 1.6 | 0.006 |
Previous cardiac surgery [%] | 7.9 | 7.9 | 1.00 |
Isolated bypass surgery [%] | 41.1 | 41.1 | 1.00 |
Isolated valve surgery [%] | 33.1 | 33.1 | 1.00 |
Combined valve and bypass surgery [%] | 25.8 | 25.8 | 1.00 |