|
Variable
|
Descriptive statisticsa
|
|---|
|
Pathologyb
|
|
Adenosis
|
220 (55.4%)
|
|
Fibroadenoma
|
160 (40.3%)
|
|
Intraductal papilloma
|
9 (2.3%)
|
|
Other
|
8 (2.0%)
|
|
Position
|
|
Upper Outer Quadrant
|
294 (40.6%)
|
|
Upper Inner Quadrant
|
206 (28.4%)
|
|
Lower Inner Quadrant
|
92 (12.7%)
|
|
Lower Outer Quadrant
|
133 (18.3%)
|
|
Distance to skin
|
7.0 (4.0–10.0)
|
|
Distance to pectoralis muscle
|
4.0 (1.5–8.0)
|
|
Ablation power (W)
|
|
20.0
|
4 (0.6%)
|
|
30.0
|
701 (96.7%)
|
|
40.0
|
18 (2.5%)
|
|
50.0
|
2 (0.3%)
|
|
Ablation energy (J)
|
1590.0 (900.0–2970.0)
|
|
Unit energy
|
10.14 (5.70–18.43)
|
|
Complications
|
|
No
|
718 (99.0%)
|
|
Pricking
|
1 (0.1%)
|
|
Skin scalding
|
1 (0.1%)
|
|
Local erythema and swelling
|
2 (0.3%)
|
|
Fat liquefaction
|
3 (0.4%)
|
- aQualitative variables are summarized as frequency (percent) and quantitative variables are summarized as median (25th percentile – 75th percentile)
- bPathology was only recorded for 397 lesions while the other variables were recorded for all the 725 lesions
