Table 4.

Multivariate Logistic Regression for Postoperative Complications Associated With Extended Length of Hospital Stay in the National Surgical Quality Improvement Program Population

Variable	P	OR	95% CI
Superficial incisional infection	0.002	1.629	1.196	2.22
Deep incisional infection	0.9904	0.997	0.617	1.612
Organ/space infection	0.6259	0.872	0.502	1.513
Pneumonia	<0.0001	4.351	3.88	4.881
Unplanned intubation	0.0001	1.803	1.338	2.43
Pulmonary embolism	<0.0001	1.891	1.428	2.503
Progressive renal insufficiency	<0.0001	2.339	1.629	3.359
Acute renal failure	<0.0001	7.782	5.423	11.169
Urinary tract infection	<0.0001	2.538	2.268	2.84
Myocardial infarction	<0.0001	2.289	1.898	2.762
Blood transfusion	<0.0001	1.247	1.16	1.34
DVT	0.0003	1.561	1.227	1.985
Sepsis	0.0002	1.498	1.207	1.859
Septic shock	0.0617	0.704	0.488	1.017
Stroke	<0.0001	3.573	2.747	4.648
Return to the operating room	<0.0001	2.48	2.13	2.888
On ventilator greater than 48 hours	<0.0001	3.701	2.559	5.352

CI = confidence interval, OR = odds ratio

Bold indicates P<0.05.