Table 6.

Complication Rates Across Risk Categories

	Sample size, n (%a)	Complication, %	P-value
Low Risk (0 points)
Abdomen	3981 (62.75%)	9.44%	.924
Breast	27,502 (84.69%)	2.28%	< .001
Combined	1911 (76.96%)	9.37%	Reference
Medium Risk (1-3 points)
Abdomen	2233 (35.20%)	13.61%	.235
Breast	4746 (14.61%)	5.60%	< .001
Combined	559 (22.51%)	15.56%	Reference
High Risk (4-7 points)
Abdomen	130 (2.05%)	23.07%	.307
Breast	227 (0.70%)	15.42%	.046
Combined	13 (0.53%)	38.46%	Reference

^aRefers to the percentage of each procedure within a given risk category, ie, the percentage of all breast procedures that are classified as low, medium, or high-risk.