Table 1. Patients’ data.

Characteristics	Values
Total No. of patients	23
Total No. of breasts	46
Average age, years [range]
Group A	42.1 [38–54]
Group B	49.1 [40–63]
Average BMI (kg/m2) [range]
Group A	23.05 [19.47–27]
Group B	31.5 [28.7–43.1]
Diabetes
Yes	2
No	21
Smoking habit
Yes	4
No	19
ASA
1
Group A	9
Group B	1
2
Group A	8
Group B	5
3	0
Indication for surgery
BRCA1	6
BRCA2	8
PTEN	1
P53	1
Family history	3
Biopsy-confirmed high-risk	4
Average nipple-to-sternal notch distance (SD) [range]
Group A	24.3 (3.2) [19–29.4]
Group B	29.8 (3.6) [26–35]
Mean hospital stay (SD) [range]	2.5 (0.8) [2–4]
Average follow-up, months (SD) [range]	18.4 (3.2) [12–31]
Breast shape
Large ptotic breasts	6
Normally shaped breasts	17
Duration of complete procedure (min)
Group A	215.5 [165–315]
Group B	250 [195–340]
Mastectomy specimen weight (g)
Group A
Right breast [range]	250.2 [110–450]
Left breast [range]	238.5 [100–463]
Group B
Right breast [range]	679.2 [512–850]
Left breast [range]	688.5 [500–943]
Average permanent implant volume (cc) [range]
Group A	295.5 (50.0) [250–350]
Group B	415.5 (55.5) [375–500]
Breast implant profile (No)
Round	14
Anatomical	32
Incision mastectomy pattern (No of breasts)
IMF [average length, cm (range)]	34 [5.3 (4.5–6)]
Wise pattern	12
NAC graft No. of breasts	2
NAC flap No. of breasts	10

BMI, body mass index; ASA, American Society of Anesthesiologists; SD, standard deviation; NAC, nipple-areola-complex.