Evaluating Surveillance Breast Imaging and Biopsy in Older Breast Cancer Survivors

Table 1

Characteristics of 1219 women with a personal history of breast cancer in the New Hampshire Mammography Network (NHMN) and enrolled in Medicare (1998–2006).

Women's characteristics	𝑁 (%)
Age at diagnosis (years)*
65–69	342 (28.1)
70–74	380 (31.2)
75–79	258 (21.2)
80+	239 (19.6)
Stage at diagnosis
I	675 (55.4)
DCIS	233 (19.1)
IIA	209 (17.2)
IIB	65 (5.3)
III	37 (3.0)
Primary therapy^£
Mastectomy	832 (68.3)
Breast conserving surgery with radiation	187 (15.3)
Breast conserving surgery	117 (9.6)
Unknown/other	83 (6.8)
Family history of breast cancer
No	875 (71.8)
Yes	337 (27.6)
Unknown	7 (0.6)
Comorbidities
0	801 (65.7)
1	286 (23.5)
2+	132 (10.8)
Year of diagnosis
1998	114 (9.4)
1999	189 (15.5)
2000	209 (17.2)
2001	176 (14.4)
2002	166 (13.6)
2003	186 (15.3)
2004	179 (14.7)
Education
<High school	121 (9.9)
High school/ged	434 (35.6)
Some college	283 (23.2)
College or post-college graduate	273 (22.4)
Unknown	108 (8.9)
Race
White	1210 (99.3)
Nonwhite	9 (0.7)

*Mean age in years (±SD) =74 (±6); Median =73 IQR: 69–77.
^£Primary therapy given within 6 months after diagnosis.