Table 1 Preoperative conditions and type of surgery in the patient population
Factor | Total population | Survivors | Non-survivors | P |
|---|---|---|---|---|
N = 105 | N = 78 | N = 27 | ||
Age (years) | 74.5 (7.2) | 74.9 (6.8) | 73.5 (8.3) | 0.404 |
Weight (kgs) | 71.2 (12.9) | 70.4 (11.6) | 73.5 (16.2) | 0.290 |
Gender female | 27 (25.7) | 18 (23.1) | 9 (33.3) | 0.293 |
Left ventricle EF (%) | 26 (23–30) | 25 (23–30) | 26 (23–33) | 0.514 |
Pulmonary hypertension | 13 (12.4) | 6 (7.7) | 7 (25.9) | 0.013 |
Recent (30 days) MI | 7 (6.7) | 6 (7.7) | 1 (3.7) | 0.474 |
Unstable angina | 1 (1.0) | 1 (1.3) | 0 (0) | 0.554 |
Congestive heart failure | 29 (27.6) | 20 (25.6) | 9 (33.3) | 0.441 |
Cardiogenic shock | 6 (5.7) | 3 (3.8) | 3 (11.1) | 0.161 |
Intra-aortic balloon pump | 7 (6.7) | 4 (5.1) | 3 (11.1) | 0.283 |
Active endocarditis | 5 (4.8) | 3 (3.8) | 2 (7.4) | 0.454 |
COPD | 18 (17.1) | 15 (19.2) | 3 (11.1) | 0.335 |
Previous CVA | 10 (9.5) | 8 (10.3) | 2 (7.4) | 0.664 |
Diabetes on medication | 31 (29.5) | 22 (28.2) | 9 (33.3) | 0.615 |
Serum creatinine (mg/dL) | 1.4 (1.2–1.8) | 1.3 (1.2–1.6) | 1.7 (1.4–1.9) | 0.002 |
Serum bilirubin (mg/dL) | 0.5 (0.5–0.7) | 0.5 (0.5–0.7) | 0.5 (0.5–0.6) | 0.957 |
Hematocrit (%) | 35.8 (5.5) | 36.5 (5.3) | 34.0 (5.8) | 0.047 |
Redo surgery | 17 (16.2) | 10 (12.8) | 7 (25.9) | 0.111 |
Urgent procedure | 37 (35.2) | 28 (35.9) | 9 (33.3) | 0.810 |
Emergent procedure | 7 (6.7) | 2 (2.6) | 5 (18.5) | 0.004 |
Isolated CABG | 25 (23.8) | 22 (28.2) | 3 (11.1) | 0.074 |
CABG + mitral valve | 19 (18.1) | 16 (20.5) | 3 (11.1) | 0.274 |
CABG + aortic valve | 8 (7.6) | 5 (6.4) | 3 (11.1) | 0.427 |
Mitral + aortic valve | 5 (4.8) | 3 (3.8) | 2 (7.4) | 0.454 |
Ascending aorta/arch | 5 (4.8) | 3 (3.8) | 2 (7.4) | 0.454 |
Isolated valve | 23 (21.9) | 13 (16.7) | 10 (37.0) | 0.027 |
Others | 20 (19) | 16 (20.5) | 4 (14.8) | 0.516 |