Table III.

Multivariate adjusted analysis^∗ of adverse event rates, early cohort (2005-2016) and late cohort (2017-2019).

Adverse event	Early cohort					Late cohort
	Inpatient	Outpatient	RR	95% CI	P value	Inpatient	Outpatient	RR	95% CI	P value
Any complication	5.80%	1.98%	2.57	1.24-5.34	.011	3.90%	1.38%	2.30	1.39-3.80	.001
Specific complications
Death	0.16%	0.28%	0.39	0.05-3.13	.372	0.15%	0.09%	1.31	0.17-10.12	.794
Surgical site infection	0.45%	0.28%	2.08	0.28-15.61	.476	0.54%	0.26%	2.23	0.68-7.36	.188
Wound dehiscence	0.06%	0.00%	-	-	-	0.05%	0.00%	-	-	-
Pneumonia	0.50%	0.28%	1.32	0.18-9.74	.786	0.49%	0.09%	5.12	0.80-32.74	.085
Deep vein thrombosis	0.35%	0.28%	1.14	0.14-9.04	.900	0.34%	0.09%	3.38	0.48-23.56	.219
Pulmonary embolism	0.32%	0.28%	0.90	0.12-6.92	.917	0.27%	0.00%	-	-	-
Unexpected intubation	0.18%	0.00%	-	-	-	0.23%	0.00%	-	-	-
Acute kidney injury	0.14%	0.00%	-	-	-	0.15%	0.17%	0.64	0.14-2.98	.570
Urinary tract infection	0.77%	0.28%	2.08	0.28-15.24	.472	0.20%	0.41%	0.71	0.34-1.46	.531
Stroke	0.12%	0.00%	-	-	-	0.08%	0.00%	-	-	-
Myocardial infarction	0.22%	0.00%	-	-	-	0.27%	0.17%	1.63	0.41-6.52	.492
Blood transfusion	3.34%	0.86%	3.34	1.09-10.28	.035	1.21%	0.00%	-	-	-
Sepsis	0.27%	0.00%	-	-	-	0.15%	0.00%	-	-	-
Return to the operating room	1.04%	0.28%	3.63	0.50-26.33	.202	1.44%	1.04%	1.37	0.74-2.53	.322
Readmission	2.79%	1.36%	1.85	0.69-4.96	.220	2.89%	1.82%	1.38	0.89-2.16	.146

RR, relative risk; CI, confidence interval.

Bold indicates statistical significance (P < .05).

^∗Adjusted for each of the baseline characteristics listed in Table I.