Research Article
Evaluating Surveillance Breast Imaging and Biopsy in Older Breast Cancer Survivors
Table 4
Women's characteristics and biopsy rates for each surveillance window.
|
| Surveillance windows | | 24 months | 42 months | 60 months | 78 months |
| Numerator (): number women who have an event
| 103 | 76 | 46 | 34 | Denominator (): number of women in
surveillance window
| 1219 | 895 | 619 | 363 | | Overall rate (%) | 8.4% | 8.5% | 7.4% | 9.4% |
| | Characteristic | Rate % | Rate % | Rate % | Rate % |
| | Age at diagnosis (years) | | | | | | 65–69 |
10.2
|
9.6
|
9.3
|
10.3
| | 70–74 |
10.0
|
12.0
|
5.7
|
13.8
| | 75–79 |
7.0
|
4.8
|
7.7
|
6.0
| | 80+ |
5.0
|
5.2
|
6.7
|
2.0
| | Stage at diagnosis | | | | | | I |
8.7
|
8.9
|
7.4
|
8.7
| | DCIS |
7.3
|
5.8
|
8.9
|
11.8
| | IIA |
6.2
|
7.4
|
4.6
|
8.8
| | IIB |
15.4
|
20.0
|
8.3
|
7.1
| | III |
10.8
|
4.4
|
20.0
|
16.7
| | Primary therapy | | | | | | Mastectomy |
9.6
|
9.0
|
6.7
|
8.4
| | Breast conserving surgery with radiation |
8.0
|
10.9
|
13.2
|
14.0
| | Breast conserving surgery |
4.3
|
4.8
|
8.3
|
18.5
| | Unknown/other |
3.6
|
4.2
|
3.3
|
4.8
| | Family history of breast cancer | | | | | | No |
8.3
|
9.3
|
7.7
|
7.6
| | Yes |
8.6
|
6.4
|
6.8
|
14.1
| | Unknown |
14.3
|
0.0
|
0.0
| NA | | Comorbidities | | | | | | 0 |
7.7
|
7.7
|
7.0
|
7.2
| | 1 |
9.4
|
9.8
|
7.6
|
15.9
| | 2+ |
10.6
|
11.1
|
11.1
|
18.2
| | Education | | | | | | High school |
6.6
|
8.1
|
5.3
|
14.7
| | High school/GED |
8.8
|
8.2
|
7.0
|
7.4
| | Some college |
8.8
|
7.8
|
10.7
|
12.7
| | College+ |
7.7
|
7.0
|
6.8
|
9.5
| | Unknown |
10.2
|
15.7
|
4.9
|
3.2
|
|
|
