Table 1 Results of Univariate Analysis
Survived Past 30 Days | Mortality Within 30 Days | ||
|---|---|---|---|
Characteristic † | n = 2205 | n = 49 | Pvalue |
Age, yr, mean (SD) | 65.52 (10.1) | 70.84 (8.8) | 0.0002 |
Sex | 0.2907 | ||
Male | 1654 (75.0%) | 33 (67.3%) | |
Female | 551 (25.0%) | 16 (32.7%) | |
Height, m, mean (SD) | 1.72 (0.1) | 66.77 (4.23) | 0.0126 |
Weight, kg, mean (SD) | 88.9 (20.0) | 85.5 (29.7) | 0.1737 |
BMI, mean (SD) | 30.1 (6.3) | 29.0 (8.4) | 0.0372 |
Emergency | 0.0087 | ||
ASA Classification | 0.0712 | ||
Class I | 1 (0.0%) | 0 (0.0%) | |
Class II | 10 (0.5%) | 0 (0.0%) | |
Class III | 661 (30.0%) | 5 (10.2%) | |
Class IV | 1519 (69.0%) | 43 (87.8%) | |
Class V | 10 (0.5%) | 1 (2.0%) | |
Dyspnea | 0.0017 | ||
None | 1229 (55.7%) | 20 (40.8%) | |
With exertion | 842 (38.2%) | 19 (38.8%) | |
At rest | 134 (6.1%) | 10 (20.4%) | |
History of MI | 707 (32.1%) | 28 (57.1%) | 0.0004 |
History of CHF | 175 (7.9%) | 9 (18.4%) | 0.0176 |
History of PCI | 667 (30.2%) | 19 (38.8%) | 0.2602 |
Previous Cardiac Surgery | 68 (3.1%) | 4 (8.2%) | 0.1120 |
Hypertension Requiring Medication | 1820 (82.5%) | 45 (91.8%) | 0.1305 |
History of Revascularization/Amputation for PVD | 101 (4.6%) | 6 (12.2%) | 0.0311 |
Rest Pain/Gangrene | 14 (0.6%) | 4 (8.2%) | <0.0001 |
Acute Renal Failure | 9 (0.4%) | 2 (4.1%) | 0.0090 |
Functional Status | 0.0002 | ||
Independent | 2047 (92.8%) | 40 (81.6%) | |
Partially Dependent | 129 (5.9%) | 5 (10.2%) | |
Totally Dependent | 29 (1.3%) | 4 (8.2%) | |
Do Not Resuscitate | 10 (0.5%) | 2 (4.1%) | 0.0139 |
Coma >24 Hours | 1 (0.0%) | 1 (2.0%) | 0.0268 |
Chemotherapy Within 30 Days of Surgery | 2 (0.1%) | 1 (2.0%) | 0.0849 |
Transfusion >4 Units pRBCs Within 72 Hours of Surgery | 6 (0.3%) | 2 (4.1%) | 0.0013 |
Systemic Sepsis | < 0.0001 | ||
None | 2094 (96.6%) | 45 (91.8%) | |
SIRS | 66 (3.0%) | 3 (6.1%) | |
Sepsis | 7 (0.3%) | 0 (0.0%) | |
Septic Shock | 1 (0.0%) | 1 (2.0%) | |
Preoperative Sodium, mean (SD) | 138.1 (3.0) | 136.5 (3.4) | 0.0012 |
Preoperative BUN, mean (SD) | 18.7 (9.7) | 24.0 (10.7) | < 0.0001 |
Preoperative Creatinine, mean (SD) | 1.14 (0.8) | 1.30 (0.8) | 0.0026 |
Preoperative Hematocrit, mean (SD) | 39.1 (5.1) | 37.3 (5.0) | 0.0191 |
Preoperative Albumin, mean (SD) | 3.83 (0.5) | 3.49 (0.7) | 0.0001 |
Preoperative AST, mean (SD) | 31.4 (30.4) | 40.7 (47.8) | 0.1024 |
Preoperative PT, mean (SD) | 12.5 (2.61) | 14.2 (3.6) | < 0.0001 |
Preoperative INR, mean (SD) | 1.1 (0.1) | 1.2 (0.3) | 0.0045 |
Preoperative PTT, mean (SD) | 36.6 (17.3) | 41.4 (21.1) | 0.0148 |
Units of pRBCs Given Intraoperatively, mean (SD) | 1.4 (1.8) | 2.7 (2.9) | 0.0043 |
Duration Patient in Room, min, mean (SD) | 345.3 (83.6) | 373.2 (111.0) | 0.1329 |