Table 2.
Results of univariate and multivariable logistic regression analyses.
| Variable | Univariate logistic regression | Multivariable logistic regression | |||
| OR (95% CI) | P-value | OR (95% CI) | P-value | ||
| CABG: coronary artery bypass graft; CI: confidence interval; OR: odds ratio; STS: Society of Thoracic Surgeons. | |||||
| Age, yrs | 1.079 (1.056-1.103) | < 0.001 | 1.080 (1.051-1.109) | < 0.001 | |
| Female | Reference | ||||
| Male | 0.452 (0.329-0.617) | < 0.001 | 0.447 (0.305-0.656) | < 0.001 | |
| Body mass index, kg/m2 | 0.980 (0.956-1.003) | 0.096 | |||
| Source of admission | |||||
| Transfer from other facility | Reference | ||||
| Elective | 0.198 (0.128-0.304) | < 0.001 | 0.258 (0.153-0.433) | < 0.001 | |
| Inpatient | 0.727 (0.423-1.246) | 0.247 | 1.081 (0.578-2.021) | 0.807 | |
| Race | |||||
| Other | Reference | ||||
| White | 0.805 (0.529-1.135) | 0.405 | |||
| STS score, % | 1.130 (1.092-1.170) | < 0.001 | 1.037 (0.996-1.080) | 0.079 | |
| Procedure approach | |||||
| Non-transfemoral | Reference | ||||
| Transfemoral | 0.367 (0.254-0.531) | < 0.001 | 0.436 (0.278-0.684) | < 0.001 | |
| Anesthesia | |||||
| Conscious sedation | Reference | ||||
| General anesthesia | 3.986 (2.288-7.543) | < 0.001 | 1.891 (0.984-3.632) | 0.056 | |
| Dyslipidemia | 0.775 (0.567-1.062) | 0.111 | 0.671 (0.455-0.989) | 0.044 | |
| History of permanent pacemaker | 1.723 (1.145-2.567) | 0.008 | 2.241 (1.355-3.706) | 0.002 | |
| History of cerebrovascular accident | 1.566 (0.984-2.454) | 0.054 | 1.598 (0.914-2.793) | 0.100 | |
| History of CABG | 0.538 (0.341-0.822) | 0.006 | 0.486 (0.283-0.833) | 0.009 | |
| Chronic liver disease | 2.466 (1.028-5.795) | < 0.038 | 4.143 (1.415-12.126) | 0.009 | |
| Vascular complication | 4.276 (2.216-8.425) | < 0.001 | 2.113 (0.925-4.826) | 0.076 | |
| Number of complications | |||||
| 0 | Reference | ||||
| 1 | 2.463 (1.782-3.407) | < 0.001 | 2.493 (1.685-3.689) | < 0.001 | |
| ≥ 2 | 4.410 (2.479-7.853) | < 0.001 | 3.778 (1.844-7.74) | < 0.001 | |