Table 2.

Primary outcomes.

Characteristic	Unmatched			Matched
	SIS (n = 39a)	STRS (n = 50a)	P-value	SIS (n = 29a)	STRS (n = 29a)	P-value
Any complication	18 (46.2%)	8 (16.0%)	0.002b	12 (41.4%)	5 (17.2%)	0.043b
Recurrent SSI	9 (23.1%)	3 (6.0%)	0.028b	5 (17.2%)	2 (6.9%)	0.423
Wound breakdown	5 (12.8%)	2 (4.0%)	0.233	4 (13.8%)	1 (3.4%)	0.352
Hematoma	2 (5.1%)	2 (4.0%)	1.000	2 (6.9%)	2 (6.9%)	1
Seroma	5 (12.8%)	1 (2.0%)	0.085	2 (6.9%)	1 (3.4%)	1
Fat necrosis	6 (15.4%)	2 (4.0%)	0.131	3 (10.3%)	1 (3.4%)	0.611
Reoperation	7 (17.9%)	2 (4.0%)	0.039b	5 (17.2%)	1 (3.4%)	0.194

^an (%).

^bStatistically significant.