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| |
Unilateral or partial mastectomy
|
Bilateral mastectomy
|
p-value
|
|---|
|
Age
|
|
≤ 50 (n = 151)
|
70 (46.4%)
|
81 (53.6%)
|
<0.05
|
|
> 50 (n = 69)
|
43 (62.3%)
|
26 (37.7%)
|
<0.05
|
|
Race
|
|
Caucasian (n = 189)
|
98 (51.9%)
|
91 (48.1%)
|
NS
|
|
African American (n = 14)
|
4 (28.6%)
|
10 (71.4%)
|
NS
|
|
Other (n = 3)
|
1 (33.3%)
|
2 (66.7%)
|
NS
|
|
Unknown (n = 14)
|
10 (71.4%)
|
4 (28.6%)
|
NS
|
|
Laterality
|
|
Unilateral (n = 208)
|
112 (53.8%)
|
96 (46.2%)
|
<0.05
|
|
Bilateral (n = 12)
|
1 (8.3%)
|
11 (91.7%)
|
<0.05
|
|
Histology
|
|
DCIS (n = 24)
|
13 (54.2%)
|
11 (45.8%)
|
NS
|
|
IDC (n = 181)
|
91 (50.3%)
|
90 (49.7%)
|
NS
|
|
ILC (n = 13)
|
9 (69.2%)
|
4 (30.8%)
|
NS
|
|
Other (n = 2)
|
0 (0.0%)
|
2 (100%)
|
NS
|
|
Grade
|
|
Grade 1 (n = 13)
|
7 (53.8%)
|
6 (46.2%)
|
NS
|
|
Grade 2 (n = 58)
|
29 (50.0%)
|
29 (50.0%)
|
NS
|
|
Grade 3 (n = 140)
|
71 (50.7%)
|
69 (49.3%)
|
NS
|
|
Unknown (n = 9)
|
6 (66.7%)
|
3 (33.3%)
|
NS
|
|
Triple negative breast cancer
|
|
Yes (n = 80)
|
34 (42.5%)
|
46 (57.5%)
|
<0.05
|
|
No (n = 92)
|
43 (46.7%)
|
49 (53.3%)
|
NS
|
|
Unknown (n = 48)
|
36 (75.0%)
|
12 (25.0%)
|
<0.05
|
|
Overall TNM Stage
|
|
In-situ (n = 24)
|
13 (54.2%)
|
11 (45.8%)
|
NS
|
|
Stage I (n = 79)
|
50 (63.3%)
|
29 (36.7%)
|
<0.05
|
|
Stage II (n = 83)
|
39 (47.0%)
|
44 (53.0%)
|
NS
|
|
Stage III (n = 34)
|
11 (32.4%)
|
23 (67.6%)
|
<0.05
|
- Percentages within parenthesis represent proportions within their respective rows
-
NS Not significant
