Table 2.

Multivariate for major complication

Major complication	Odds ratio	95%CI low	95% CI high	p Value
Age	1.033	1.018	1.048	<.001
Surgical Invasiveness  Score	1.064	1.038	1.089	<.001
Gender	0.622	0.396	0.977	.039
Chronic obstructive  pulmonary disease	2.179	1.157	4.100	.016
Hypertension	1.685	1.059	2.680	.028
Previous cardiac  history	2.440	1.423	4.182	.001
Diagnosis: Trauma	5.290	3.236	8.648	.001
Diagnosis: Infection	3.740	1.946	7.185	<.001