Research Article
Evaluating Surveillance Breast Imaging and Biopsy in Older Breast Cancer Survivors
Table 3
Women's characteristics and ultrasound/MRI rates for each surveillance window.
|
| Surveillance windows | |
| 24 months | 42 months | 60 months | 78 months |
| | Numerator (): number women who have an event | 98 | 46 | 30 | 17 | Denominator (): number of women in surveillance window
| 1219 | 895 | 619 | 363 | | Overall rate (%) | 8.0% | 5.1% | 4.8% | 4.7% |
| | Characteristic | Rate % | Rate % | Rate % | Rate % |
| | Age at diagnosis (years) | | | | | | 65–69 |
11.1
|
5.6
|
6.7
|
4.7
| | 70–74 |
9.2
|
5.6
|
6.8
|
5.7
| | 75–79 |
6.2
|
4.3
|
1.5
|
6.0
| | 80+ |
5.4
|
6.4
|
3.9
|
6.1
| | Stage at diagnosis | | | | | | I |
8.9
|
5.6
|
5.8
|
6.8
| | DCIS |
7.3
|
6.3
|
5.3
|
4.4
| | IIA |
7.7
|
4.0
|
1.8
|
4.4
| | IIB |
7.7
|
6.7
|
12.5
|
0.0
| | III |
10.8
|
4.4
|
0.0
|
0.0
| | Primary therapy | | | | | | Mastectomy |
8.8
|
4.9
|
3.8
|
4.4
| | Breast conserving surgery with radiation |
7.0
|
7.8
|
7.7
|
9.3
| | Breast conserving surgery |
9.4
|
8.3
|
10.4
|
11.1
| | Unknown/other |
6.0
|
2.8
|
6.7
|
4.8
| | Family history of breast cancer | | | | | | No |
8.8
|
5.8
|
5.3
|
4.9
| | Yes |
7.4
|
4.7
|
4.9
|
7.1
| | Unknown |
0.0
|
0.0
|
0.0
| NA | | Comorbidities | | | | | | 0 |
8.6
|
5.5
|
4.7
|
4.3
| | 1 |
7.3
|
5.7
|
6.7
|
6.4
| | 2+ |
9.1
|
4.9
|
5.6
|
18.2
| | Education | | | | | | High school |
8.3
|
4.6
|
1.8
|
8.8
| | High school/GED |
6.7
|
5.3
|
5.7
|
4.4
| | Some college |
9.9
|
5.9
|
6.4
|
6.3
| | College+ |
9.5
|
6.0
|
6.1
|
6.0
| | Unknown |
8.3
|
4.8
|
1.6
|
3.2
|
|
|
