Table 5.

Risk Factors for Perioperative Mortality after Posterior Thoracic and Lumbar Spine Fusion –Comorbidities and Surgical Indications (Model 2)

	Odds Ratio	Lower -95%CI	Upper -95%CI	P-Value
Comorbidity
Alcohol Abuse	0.828	0.446	1.54	0.552
Chronic Lung Disease	1.107	0.878	1.396	0.39
Congestive Heart Failure	3.781	2.9	4.93	<0.0001
Uncomplicated Diabetes Mellitus	1.609	1.184	2.186	0.002
Complicated Diabetes Mellitus	1.141	0.654	1.991	0.642
Liver Dysfunction	3.026	1.718	5.331	<0.0001
Coagulopathy	5.041	3.88	6.548	<0.0001
Neurologic Disorders	2.523	1.832	3.474	<0.0001
Obesity	0.646	0.38	1.096	0.105
Peripheral Vascular Disease	1.112	0.643	1.924	0.705
Renal Disease	2.906	1.872	4.509	<0.0001
Pulmonary Circulatory Disease	8.608	5.933	12.489	<0.0001
Cardiac Valvular Disorders	1.236	0.862	1.772	0.25
Electrolyte/Fluid Abnormalities	2.334	1.894	2.876	<0.0001
Metastatic Cancer	1.715	0.956	3.077	0.07
Weight Loss	3.155	2.17	4.588	<0.0001
Surgical Indication
Spinal Stenosis*	1.226	0.872	1.724	0.241
Scoliosis*	3.308	2.22	4.928	<0.0001
Spondylolisthesis*	1.374	0.836	2.257	0.21
Traumatic Indications*	9.55	7.073	12.894	<0.0001
Oncologic Indicatiuons*	9.672	5.565	16.81	<0.0001
Other Indications*	4.159	3.059	5.655	<0.0001
Multiple Indications*	0.792	0.589	1.063	0.12

^*Degenerative disc disease was used as reference.