Table 3.
Outcomes and logistic regression ORs for primary and secondary outcomes
| Outcome | Regional only N = 688 Number (%) |
General only N = 8039 Number (%) | Standardized difference | Adjusted* OR for regional only (95% c.i.) | P† |
|---|---|---|---|---|---|
| Patency | 573 (93.2) | 6390 (91.5) | 0.063 | 1.16 (0.83 to 1.63) | 0.378 |
| Major reintervention on the bypass | 18 (2.6) | 332 (4.1) | −0.084 | 0.71 (0.43 to 1.16) | 0.173 |
| Major amputation (transtibial/proximal) | 6 (0.9) | 132 (1.6) | −0.069 | 0.60 (0.26 to 1.39) | 0.237 |
| Unplanned readmission | 105 (15.3) | 1104 (13.7) | 0.043 | 1.19 (0.95 to 1.50) | 0.126 |
| Non-home discharge | 120 (17.5) | 1673 (20.9) | −0.086 | 0.74 (0.59 to 0.93) | 0.009 |
| Composite (morbidity and mortality) | 100 (14.5) | 1250 (15.6) | −0.028 | 1.10 (0.87-1.39) | 0.429 |
| Death | 7 (1.0) | 88 (1.1) | −0.008 | 0.76 (0.34-1.70) | 0.505 |
| Bleeding requiring transfusion or procedure | 76 (11.1) | 1010 (12.6) | −0.047 | 1.12 (0.0.86-1.46) | 0.409 |
| Pneumonia | 8 (1.2) | 76 (1.0) | 0.021 | 1.34 (0.62 to 2.90) | 0.452 |
| Arterial and venous thromboembolism‡ | 26 (3.8) | 267 (3.3) | 0.025 | 1.12 (0.73 to 1.72) | 0.605 |
*Covariates adjusted for were age, bleeding disorder, severe chronic obstructive pulmonary disease, smoking status, renal failure, functional status, diabetes, total operating time, year of surgery, high-risk physiological and anatomical risk factors as defined by National Surgical Quality Improvement Program, and procedure type. †Multivariable logistic regression. ‡Myocardial infarction, stroke, venous thromboembolism.