Table 1.
Selected demographic and clinical characteristics of 421 older women (≥67 years old at diagnosis) with a breast cancer diagnosis in 2009
| Characteristics | Surgery or radiation regret | P value | |
|---|---|---|---|
| No (n = 321) | Yes (n = 100) | ||
| n (%)* | n (%)* | ||
| Demographic | |||
| Age, y | |||
| Median | 72.3 | 72.0 | .46 |
| 67–74 | 228 (79.0) | 70(21.0) | |
| ≥75 | 93 (74.4) | 30 (25.6) | |
| Race | |||
| White | 287† | ≥75† | .02 |
| Black | 15 (47.2) | 13 (52.8) | |
| Hispanic/Other | 19† | ≤11† | |
| Education | |||
| ≤ High school | ≥100† | ≥35† | .005 |
| ≥ Associate or | 208 (85.4) | 51 (14.6) | |
| college degree | |||
| Unknown | ≤11† | ≤11† | |
| Household income | |||
| <$40,000/year | 132 (75.6) | 49 (24.4) | .84 |
| $40,000–60,000/year | 50 (80.0) | 14 (20.0) | |
| >$60,000/year | 83 (80.5) | 21 (19.5) | |
| Unknown | 56 (74.2) | 16 (25.8) | |
| Region | |||
| Northeast | 54 (80.4) | 18 (19.6) | .80 |
| Middle west | 87 (79.7) | 22 (20.3) | |
| South | 127 (73.1) | 48 (26.9) | |
| West | 51 (78.0) | 12 (22.0) | |
| Clinical | |||
| Body mass index | |||
| Underweight or | 104† | ≥25† | .61 |
| normal | |||
| Overweight | 96 (79.6) | 24 (20.4) | |
| Obese | 106 (73.6) | 37 (26.4) | |
| Unknown | 15† | ≤11† | |
| Charlson comorbidity | |||
| index | |||
| 0 | 215 (75.2) | 66 (24.8) | .37 |
| 1 + | 106 (75.7) | 34 (24.3) | |
| Bra cup size | |||
| A-B | 95 (77.8) | 31 (22.2) | .84 |
| C | 91 (80.5) | 25 (19.5) | |
| D+ | 85 (73.6) | 23 (26.4) | |
| Unknown | 50 (75.3) | 21 (24.7) | |
| Type of local therapy | |||
| Lump+WBI | 74† | ≥15† | .17 |
| Lump+Brachy | 72 (76.5) | 19 (23.5) | |
| Lump-alone | 60† | ≤11† | |
| Mast-alone | 56 (77.7) | 18 (22.3) | |
| Mast+RT | 59 (62.9) | 36 (37.1) | |
| Axillary surgery | |||
| Axillary dissection or | 151 (69.2) | 64 (30.8) | .02 |
| axillary surgery NOS | |||
| Sentinel lymph node | 120(86.8) | 23 (13.2) | |
| biopsy | |||
| No axillary surgery | 50 (77.1) | 13 (22.9) | |
| Endocrine therapy | |||
| No | 111 (72.1) | 45 (27.9) | .15 |
| Yes | 210 (80.8) | 55 (19.2) | |
Abbreviations: Lump-alone = lumpectomy plus endocrine therapy alone; Lump+Brachy = lumpectomy plus brachytherapy; Lump+WBI = lumpectomy plus whole-breast irradiation; Mast-alone = mastectomy alone; Mast+RT = mastectomy plus radiation therapy; NOS = not otherwise specified.
*
All percentages are weighted.
†
Cells were suppressed or data on percentages not shown to avoid compromising patient identity based on claims data in accordance with our Data Use Agreement with the Centers for Medicare and Medicaid Services.