Table 3. Association between technique of breast reconstruction and SSI occurrence, in groups I and II and overall, by Chi-square test.

	SSI (n)
	Group I (n = 94)		Group II (n = 92)		Overall (n = 186)
Technique	Yes	No	Yes	No	Yes	No
Tissue expander / Prosthesis	4	49	2	58	6	107
Latissimus dorsi flap	1	3	1	4	2	7
TRAM flap	1	12	-	6	1	18
Local or regional flaps	-	24	-	21	-	45
SSI—Yes vs. No (Chi-square test)	p = 0.249		p = 0.148		p = 0.041