Table V.

Multivariate analysis of select morbidity classes, mortality, and LOS between the general and regional anesthetic groups

Outcomes	General versus regional
	OR	95% CI	P value
Any morbidity
Unadjusted	1.15	0.97, 1.36	0.0982
Multivariate modela	1.12	0.93, 1.34	0.2382
Wound morbidity
Unadjusted	1.05	0.82, 1.35	0.7100
Multivariate modelb	0.96	0.73, 1.26	0.7812
Pulmonary morbidity
Unadjusted	1.28	0.83, 1.99	0.2647
Multivariate modelc	1.41	0.88, 2.26	0.1551
Cardiovascular morbidity
Unadjusted	1.28	0.75, 2.20	0.3726
Multivariate modeld	1.38	0.78, 2.43	0.2695
Operative morbidity
Unadjusted	1.17	0.97, 1.42	0.1069
Multivariate modele	1.18	0.95, 1.45	0.1306
Mortality
Unadjusted	1.00	0.62, 1.61	0.9900
Multivariate modelf	1.21	0.72, 2.02	0.4649
	Ratio days	95% CI	P value
LOS
Unadjusted	1.01	0.97, 1.06	0.6244
Multivariate modela	1.01	0.97, 1.06	0.6203

^aModel covariates for any morbidity and LOS: age, gender, race, ASA class, work RVU, preoperative sepsis, functional status, revascularization/amputation, WBC, history of COPD, platelets, rest pain/gangrene, HCT, BMI, steroid use, dyspnea, wound class, current smoker, weight loss >10%, history of CHF, preoperative renal failure, eGFR, cerebrovascular accident, transfer status, operative time.

^bModel covariates for wound: age, gender race, work RVU, revascularization/amputation, BMI, current smoker, history of PTCI, transfer status, history of COPD, platelets, WBC, return to operating room, graft failure, diabetes, operative time.

^cModel covariates for pulmonary: age, gender, race, work RVU, functional status, ASA class, preoperative sepsis, history of COPD, wound class, WBC, preoperative cerebrovascular accident, dyspnea, red blood cell count >4, HCT, diabetes, return to operating room, operative time.

^dModel covariates for cardiovascular: age, gender, race, ASA class, work RVU, functional status, WBC, HCT, platelets, revascularization/amputation, dyspnea, history of angina, history of PTCI, history of CABG, history of TIA, HTN, history of CHF, current smoker, operative time.

^eModel covariates for operative: age, gender, race, infrapopliteal bypass, graft, work RVU, history of diabetes mellitus, bleeding disorder, platelets, sepsis, revascularization/amputation, history of PTCI, wound class, BMI, current smoker, functional status, ASA class, operative time.

^fModel covariates for mortality: age, gender, race, functional status, ASA class, work RVU, WBC, dyspnea, platelets, BMI, history of CHF, dialysis, steroid use, preoperative sepsis, history of COPD, graft failure, return to operating room, operative time.