|
PATIENT CHARACTERISTICS
|
|
Age at diagnosis
|
60.8
|
60.2
|
0.055
|
0 %
|
|
Menopausal at diagnosis
| | |
0.150
|
6.4 %
|
|
Yes
|
297 (81 %)
|
794 (84 %)
| | |
|
No
|
71 (19 %)
|
151 (16 %)
| | |
|
BMI
|
24.8
|
25.8
|
<0.001
|
3.2 %
|
|
HRT use at diagnosis
| | |
<0.001
|
5.1 %
|
|
No
|
280 (75 %)
|
802 (84 %)
| | |
|
Yes
|
93 (25 %)
|
156 (16 %)
| | |
|
Oral contraceptive use
| | |
0.145
|
3.1 %
|
|
No
|
78 (21 %)
|
239 (24 %)
| | |
|
Yes
|
300 (79 %)
|
742 (76 %)
| | |
|
Parity
| | | | |
|
Nulliparous
|
61 (15 %)
|
158 (16 %)
|
0.997
|
2.2 %
|
|
Number of births, parous women
|
2.13
|
2.14
|
0.816
|
0 %
|
|
Age at first birth, parous women
|
25.7
|
25.4
|
0.341
|
0 %
|
|
Family history of breast cancer (first degree)
| | |
0.029
|
7.8 %
|
|
No
|
284 (77 %)
|
762 (82 %)
| | |
|
Yes
|
84 (23 %)
|
162 (18 %)
| | |
|
MAMMOGRAPHIC CHARACTERISTICS
|
|
Time (months) from measure to diagnosis
|
15.3 (median)
|
24.6 (median)
|
<0.001
| |
|
Mammographic percent density
|
23.5 (median)
|
17.6 (median)
|
<0.001
| |
|
TUMOR CHARACTERISTICS
|
n (%) or mean
|
n (%) or mean
| | |
|
Tumor size, mm
|
19.5
|
15.6
|
<0.001
|
7.3 %
|
|
Lymph node metastasis
| | |
<0.001
|
0.4 %
|
|
No
|
356 (91 %)
|
960 (96 %)
| | |
|
Yes
|
37 (9 %)
|
45 (4 %)
| | |
|
Tumor grade, Elston
| | |
<0.001
|
42 %
|
|
1
|
35 (16 %)
|
147 (25 %)
| | |
|
2
|
109 (50 %)
|
323 (54 %)
| | |
|
3
|
75 (34 %)
|
127 (21 %)
| | |
|
ER status
| | |
<0.001
|
27 %
|
|
Negative
|
57 (19 %)
|
72 (10 %)
| | |
|
Positive
|
239 (81 %)
|
659 (90 %)
| | |
|
PR status
| | |
0.002
|
28 %
|
|
Negative
|
109 (38 %)
|
201 (28 %)
| | |
|
Positive
|
181 (62 %)
|
520 (72 %)
| | |
