Table 2.

Unadjusted Post-operative Complications, Mortality and Resource Utilization

	Benign (n, %)	MBO (n, %)	P Value
Complications
Any Complication	571 (26.6)	38 (44.2)	<0.001
Major Complication	330 (15.4)	17 (19.8)	0.270
Cardiac Arrest	21 (1.0)	1 (1.2)	0.865
Myocardial Infarction	19 (0.9)	0 (0.0)	0.381
Cardiac Arrhythmia	80 (3.7)	4 (4.7)	0.658
Stroke	9 (0.4)	0 (0.0)	0.547
Unplanned Intubation	64 (3.0)	5 (5.8)	0.137
Pulmonary Embolus	18 (0.8)	0 (0.0)	0.394
Acute Renal Failure	46 (2.1)	3 (3.5)	0.404
Deep Vein Thrombosis	42 (2.0)	2 (2.3)	0.809
Superficial SSI	106 (4.9)	10 (11.6)	0.006
Deep SSI	32 (1.5)	0 (0.0)	0.254
Organ Space SSI	53 (2.5)	2 (2.3)	0.933
Pneumonia	98 (4.6)	9 (10.5)	0.012
Urinary Tract Infection  (Symptomatic)	31 (1.4)	0 (0.0)	0.262
Urinary Tract Infection  (Catheter Associated)	39 (1.8)	0 (0.0)	0.207
Sepsis	92 (4.3)	4 (4.7)	0.870
Severe Sepsis	86 (4.0)	5 (5.8)	0.406
Clostridium difficile	38 (1.8)	1 (1.2)	0.673
CLABSI	7 (0.3)	0 (0.0)	0.673
Anastomotic Leak	31 (1.4)	0 (0.0)	0.262
Mortality	105 (4.9)	19 (22.1)	<0.001
Resource Utilization
Intra-operative  Transfusion	65 (3.0)	14 (16.3)	<0.001
Post-operative  Transfusion	124 (5.8)	11 (12.8)	0.007
Readmission 30 Days	271 (12.6)	16 (18.6)	0.104
Reoperation 30 Days	180 (8.4)	10 (11.6)	0.290
Extended LOS	466 (21.7)	31 (36.0)	0.002

Note: SSI, surgical site infection; CLABSI, central line-associated blood stream infection; LOS, length of stay