From: Preoperative anemia increases mortality and postoperative morbidity after cardiac surgery
Preoperative anemia (n = 1,856) | Control group (n = 5,882) | P | |
---|---|---|---|
Age (years ± SD) | 69 ± 10.6 | 64.5 ± 11.6 | <0.0001 |
Hemoglobin level (g/dl ± SD) | 11.5 ± 1.1 | 14.3 ± 1.1 | <0.0001 |
Female, n (%) | 517 (27.9) | 1419 (24.1) | <0.001 |
NYHA III-IV class, n (%) | 809 (43.6) | 1826 (31) | <0.0001 |
Diabetes, n (%) | 424 (22.8) | 703 (12) | <0.0001 |
Diabetes, n (%) | 424 (22.8) | 703 (12) | <0.0001 |
Hypertension, n (%) | 1306 (70.4) | 3910 (66.5) | 0.002 |
Chronic Pulmonary disease, n (%) | 293 (15.8) | 661 (11.2) | <0.0001 |
Renal failure, n (%) | 85 (4.6) | 42 (0.7) | <0.0001 |
Extracardiac arteriophaty, n (%) | 222 (12) | 429 (7.3) | <0.0001 |
Previous cardiac operations, n (%) | 128 (6.9) | 330 (5.6) | 0.046 |
Preoperative EF (%), n (%) | <0.0001 | ||
Good | 1296 (69.8) | 4579 (77.8) | |
Fair | 439 (23.7) | 1114 (18.9) | |
Poor | 121 (6.5) | 189 (3.2) | |
Recent MI, n (%) | 479 (25.8) | 987 (16.8) | <0.0001 |
Emergency, n (%) | 78 (4.2) | 90 (1.5) | <0.0001 |
Cardiac procedures | <0.0001 | ||
CABG, n (%) | 1075 (57.9) | 3775 (64.2) | |
Single valve surgery (n, %) | 319 (17.2) | 935 (15.9) | |
Combined procedures (n, %) | 372 (20) | 655 (11.1) | |
Aortic surgery, n (%) | 90 (4.8) | 217 (3.7) |