Table 2:
Patient characteristics by classes in Table 1
| A N = 73 |
B N = 66 |
C N = 349 |
D N = 745 |
p-value | |
|---|---|---|---|---|---|
| Demographics | |||||
| Age | 51 61 72 | 62 73 81 | 52 62 74 | 57 69 80 | P < 0.0011 |
| Weight | 69 8 5 97 | 71 83 104 | 69 82 95 | 74 87 102 | P < 0.0011 |
| Gender: M | 62% | 64% | 59% | 60% | P = 0.922 |
| ASA Physical Status | |||||
| 2 | 1% | 12% | 5% | 19% | P < 0.0012 |
| 3 | 33% | 74% | 46% | 68% | P < 0.0012 |
| 4 | 52% | 14% | 46% | 12% | P < 0.0012 |
| 5 | 12% | 0% | 3% | 0% | P < 0.0012 |
| Disease conditions | |||||
| Cancer | 23% | 32% | 27% | 28% | P = 0.712 |
| Cerebrovascular Disease | 22% | 23% | 14% | 23% | P = 0.0062 |
| Congestive Heart Failure | 36% | 41% | 26% | 36% | P = 0.0072 |
| Pulmonary Disease | 18% | 17% | 12% | 12% | P = 0.332 |
| Chronic Renal Failure | 32% | 17% | 23% | 18% | P = 0.0182 |
| Dementia | 0% | 5% | 3% | 2% | P = 0.0112 |
| Diabetes | 40% | 30% | 35% | 36% | P = 0.712 |
| Leukemia | 0% | 2% | 2% | 2% | P = 0.62 |
| Connective Tissue Disease | 10% | 5% | 3% | 5% | P = 0.0812 |
| Lymphoma | 5% | 2% | 3% | 3% | P = 0.562 |
| MI | 19% | 15% | 12% | 15% | P = 0.452 |
| Peptic Ulcer | 4% | 5% | 3% | 5% | P = 0.822 |
| Peripheral Vascular Disease | 5% | 3% | 3% | 5% | P = 0.422 |
| Mild Liver Disease | 18% | 9% | 37% | 8% | P < 0.0012 |
| Moderate/Severe Liver Disease | 11% | 2% | 20% | 3% | P < 0.0012 |
| Charlson score | 1 4 8 | 1 3 9 | 1 4 7 | 1 3 8 | P = 0.0911 |
| Laboratory test results | |||||
| INR | 1.6 1.8 2.0 | 1.6 1.7 1.9 | 1.51.8 2.1 | 1.51.7 2.1 | P = 0.341 |
| Platelets Transfusion | 11% | 3% | 3% | 1% | P < 0.0012 |
| APTT | 95 167 233 | 128 184 244 | 66 129 224 | 160 205 251 | P < 0.0011 |
| Creatinine | 0.9 1.4 2.0 | 0.8 1.1 1.6 | 0.9 1.2 1.7 | 0.8 1.0 1.3 | P < 0.0011 |
| Hemoglobin | 8.7 10.1 11.9 | 10.8 12.9 14.0 | 8.6 9.8 11.2 | 10.9 12.3 13.6 | P < 0.0011 |
| PLT | 29% | 14% | 41% | 8% | P < 0.0012 |
| Medications | |||||
| Aspirin | 68% | 53% | 62% | 52% | P = 0.0022 |
| Clopidogrel | 8% | 8% | 3% | 4% | P = 0.0532 |
| Coumadin | 55% | 71% | 43% | 69% | P < 0.0012 |
| Heparin | 36% | 24% | 20% | 19% | P = 0.0062 |
| Planned Procedure | |||||
| ENT/Oral | 0% | 6% | 4% | 10% | P < 0.0012 |
| General | 58% | 59% | 25% | 28% | P < 0.0012 |
| Neurology | 3% | 3% | 1% | 2% | P = 0.772 |
| O/G | 1% | 2% | 1% | 4% | P = 0.0782 |
| Orthopedic | 4% | 5% | 16% | 22% | P < 0.0012 |
| Thoracic | 10% | 5% | 4% | 5% | P = 0. 242 |
| Transplatation | 19% | 2% | 37% | 2% | P < 0.0012 |
| Urology | 1% | 3% | 2% | 9% | P < 0.0012 |
| Vascular | 3% | 9% | 6% | 5% | P = 0.292 |
| Emergency | 63% | 38% | 48% | 12% | P < 0.0012 |
| ICU LOS | 1.25.1 8.4 | 0.00.0 1.8 | 0.0 1.1 2.9 | 0.0 0.0 0.0 | P < 0.0011 |
a b c represent the lower quartile a, the median b, and the upper quartile c for continuous variables. Tests used:
1
Wilcoxon test
2
Pearson test