Table 4.

Odds ratio for probability of complication with point estimates (pt. estimate) and 95 % confidence limits (95 % conf. limit)

Effect	Pt. estimate	95 % Conf. limit	p value
Age	1.012	1.008–1.016	<0.0001
Elective	0.679	0.592–0.779	<0.0001
Female	0.857	0.758–0.969	0.0137
Laparoscopic	0.451	0.399–0.511	<0.0001
Alcohol abuse	1.713	1.025–2.862	0.0400
Deficiency anemia	1.186	0.990–1.421	0.0645
Chronic lung disease	1.286	1.117–1.481	0.0005
Depression	0.972	0.792–1.193	0.7878
Diabetes	0.959	0.781–1.777	0.6895
Diabetes w/complications	0.960	0.462–1.997	0.9136
Liver disease	0.731	0.434–1.231	0.2391
Electrolyte disorder	2.613	2.231–3.061	<0.0001
Obesity	1.040	0.855–1.267	0.6933
Renal failure	1.298	0.932–1.807	0.1231
Peptic ulcer disease	0.657	0.208–2.072	0.4731
Weight loss/malnutrition	2.752	2.131–3.553	<0.0001
Race—Black vs. White	1.305	0.919–1.852	0.1371
Race—Hispanic vs. White	1.186	0.917–1.534	0.1933
Race—unknown/other vs. White	1.019	0.888–1.168	0.7928