Table 4.

Postoperative Complications Adjusted For: Age, Gender, Race, Ethnicity, Insurance, Body Mass Index, Hypertension, and Operation year

	Unadjusted				Adjusted
	PR	95% CI		P-value	PR	95% CI		P-value
Acute renal failure
Laparoscopic (ref = Open)	0.69	0.51	0.93	0.016	0.78	0.58	1.05	0.098
Robotic (ref = Open)	0.23	0.06	0.94	0.041	0.27	0.07	1.08	0.065
Cardiac arrest
Laparoscopic (ref = Open)	0.44	0.32	0.61	<0.001	0.48	0.34	0.68	<0.001
Robotic (ref = Open)	0.39	0.09	1.64	0.199	0.47	0.12	1.86	0.28
Coma 24 hours
Laparoscopic (ref = Open)	0.10	0.01	0.77	0.027
Robotic (ref = Open)	0.00	0.00	0.00	<0.001
Stroke
Laparoscopic (ref = Open)	0.27	0.03	2.28	0.231
Robotic (ref = Open)	3.48	0.43	28.20	<0.001
Surgical site infection
Laparoscopic (ref = Open)	0.39	0.31	0.48	<0.001	0.39	0.31	0.49	<0.001
Robotic (ref = Open)	0.42	0.22	0.79	0.007	0.45	0.23	0.86	0.016
Myocardial infarction
Laparoscopic (ref = Open)	0.44	0.32	0.61	<0.001	0.48	0.34	0.68	<0.001
Robotic (ref = Open)	0.39	0.09	1.64	0.20	0.47	0.12	1.86	0.28
Progressive renal failure
Laparoscopic (ref = Open)	0.95	0.62	1.47	0.82	1.00	0.65	1.56	0.99
Robotic (ref = Open)	1.25	0.45	3.42	0.67	0.98	0.31	3.09	0.97
Pulmonary embolism
Laparoscopic (ref = Open)	0.38	0.23	0.64	<0.001	0.38	0.22	0.65	<0.001
Robotic (ref = Open)	0.70	0.24	2.03	0.51	0.83	0.28	2.50	0.75
Urinary tract infection
Laparoscopic (ref = Open)	0.95	0.62	1.47	0.82	1.00	0.65	1.56	0.99
Robotic (ref = Open)	1.25	0.45	3.42	0.69	0.98	0.31	3.09	0.97
Wound complication
Laparoscopic (ref = Open)	0.17	0.09	0.34	<0.001	0.20	0.10	0.40	<0.001
Robotic (ref = Open)	0.00	0.00	0.00	<0.001	0.00	0.00	0.00	<0.001