Table 2.

Breast complications and Grade 2-3 breast complications.

		Breast complication			Chi2	Grade 2-3 breast complication
		No	Yes	%	p	No	Yes	%	p
Number		171	58	25.3		198	31	13.5
BMI	<= 24.9	147	45	23.4	0.210	171	21	10.9	0.018
	25-29.9	18	8	30.8		20	6	23.1
	>= 30	6	5	45.5		7	4	36.4
Cup size	A-B	115	26	18.4	0.010	128	13	9.2	0.009
	C	37	21	36.2		49	9	15.5
	> C	19	11	36.7		21	9	30.0
Tobacco	No	140	39	21.8	0.018	157	22	12.3	0.206
	Yes	31	19	38.0		41	9	18.0
IBR-Type	Implant-Expander	139	46	24.9	0.030	162	23	12.4	0.001
	LDF	26	5	16.1		29	2	6.5
	LDF + implant	6	7	53.8		7	6	46.2
Implant size	<= 300	93	22	19.1	0.002	107	8	7.0	<0.0001
	> 300	44	29	39.7		53	20	27.4
Breast weight	<= 300	99	24	19.5	0.021	114	9	7.3	0.003
	> 300	72	34	32.1		84	22	20.8
Previous radiotherapy	No	148	48	24.5	0.304	173	23	11.7	0.054
	Yes	23	10	30.3		25	8	24.2
Surgeons					0.197				0.041
Incision	Peripheric	108	29	21.2	0.002	124	13	9.5	0.020
	Areolar - radial	47	18	27.7		52	13	20.0
	Previous incision	13	3	18.8		15	1	6.2
	Inversed T	3	8	72.7		7	4	36.4
NSM Type	C-NSM	103	39	27.5	0.214	121	21	17.3	0.309
	R-NSM	68	19	21.8		77	10	13.0
NSM and IBR types	C-NSM-implant	97	38	28.1	0.296	115	20	14.8	0.316
	C-NSM-LDF	6	1	14.3		6	1	14.3
	R-NSM-implant	26	11	29.7		30	7	18.9
	R-NSM-LDF	42	8	16.0		47	3	6.0

C-NSM, conventional nipple sparing mastectomy; R-NSM, robotic NSM; BMI, body mass index; IBR, immediate breast reconstruction; LDF, latissimus dorsi-flap; POLH, post-operative length of hospitalization.

Bold values statistical significant results.