Table 3. Characteristics Associated with Survival and Overall Mortality at 30 Days After Surgery for Intestinal Obstruction.

Preoperative Variable	Alive at 30 Days (N= 308) %	Dead at 30 Days (N=68) %	P-value
Age
<65	46.1	41.2	0.51
65-74	27.9	33.8
75-84	22.7	19.1
85+	3.3	5.9
Sex, male	48.1	63.2	0.03
Race, white	76.9	91.1	0.04
Comorbid Disease:
HTN (requiring medication)	53.9	48.5	0.43
Diabetes	14.0	14.7	0.85
Chronic Obstructive Pulmonary Disease	12.0	22.1	0.05
Myocardial Infarction	0	0	1.0
Congestive Heart Failure	1.0	5.9	0.02
Peripheral Vascular Disease	1.2	1.7	0.58
Renal failure	3.2	5.9	0.29
Dialysis	0.6	1.5	0.45
Preoperative Clinical Characteristics:
Prehospital Location (Home)	90.5	75.0	<0.01
Independent Functional Status	76.9	47.8	<0.001
Do Not Resuscitate Order	4.0	6.8	0.32
Chemotherapy use	38.6	30.5	0.30
Steroid use	8.1	7.4	1.0
Transfusions	2.3	4.4	0.40
Smoking status	15.9	25.0	0.08
ASA Class >3	28.2	48.5	<0.01
Body Mass Index			0.24
<18.5	14.3	7.4
18.5-<25	46.4	45.6
25+	39.3	47.1
Ascites	14.0	29.4	<0.01
Bleeding disorder	18.2	22.1	0.50
Dyspnea at rest	2.3	16.2	<0.001
Impaired Sensorium	2.0	13.6	<0.001
Pneumonia	2.8	11.9	<0.01
Sepsis	5.8	16.2	<0.01
Septic Shock	3.6	7.4	0.18
Postoperative Events:
Any Complication	40.9	72.1	<0.001
Respiratory Complication	14.3	44.1	<0.001
Hematologic Complication	13.0	19.1	0.183
Wound Complication	14.0	8.8	0.32
On Ventilator >48 hours	2.3	11.8	0.002
Urologic Complication	5.2	11.8	0.06
Deep Venous Thrombosis	5.2	4.4	1.0
Pulmonary Embolus	1.3	2.9	0.30
Cardiac Complication	0.6	11.8	<0.001
Neurologic Complication	0	2.9	0.03
Fail to Rescue	0	72.1	<0.001
Unplanned Reoperation	8.9	0	0.07
Unplanned Readmission	9.3	33.3	0.900
Length of stay days (Median IQR)	12(8-18)	12.5(7.5-19.0)	0.92*

^*Wilcoxon Rank-Sum test

IQR=Interquartile Range