Table 1.
Patient demographic and clinical characteristics (n=289)
| Characteristic | No. (%)a |
|---|---|
| Local therapy | |
| Lump+WBI | 108 (37.4) |
| Lump+Brachy | 103 (35.6) |
| Lump alone | 78 (27.0) |
| Age, years | |
| Median (range) | 72 (67–87) |
| 67–74 | 200 (57.5) |
| ≥75 | 89 (42.5) |
| Patient-reported race | |
| White | 250 (86.7) |
| Non-white | 39 (13.3) |
| Charlson Comorbidity Index | |
| 0 | 197 (68.5) |
| 1 | 71 (24.8) |
| 2+ | 21 (6.6) |
| Patient-reported baseline BMI | |
| Underweight / Normal | 93 (35.7) |
| Overweight | 77 (21.9) |
| Obese | 103 (34.8) |
| Unknown | 16 (7.7) |
| Patient-reported current bra cup size | |
| A-B | 89 (31.0) |
| C | 88 (31.4) |
| D+ | 81 (25.8) |
| Unknown | 31 (11.8) |
| Axillary surgery | |
| Axillary dissection/axillary surgery NOS | 94 (36.2) |
| Sentinel lymph node biopsy | 126 (45.7) |
| No axillary surgery | 69 (18.0) |
| Patient-reported endocrine therapy | |
| No | 95 (39.5) |
| Yes | 194 (60.5) |
| Chemotherapy | |
| No | 254 (84.7) |
| Yes | 35 (15.3) |
| Region | |
| Northeast | 50 (22.2) |
| Midwest | 68 (20.8) |
| South | 119 (39.3) |
| West or unknown | 51 (17.7) |
| Patient-reported education | |
| High school or less | 95 (32.9) |
| Associate degree | 97 (33.6) |
| College or higher | 82 (28.4) |
| Unknown | 15 (5.2) |
| Patient-reported current household income | |
| <$40K | 120 (44.5) |
| $40–60K | 45 (12.5) |
| >$60K | 67 (22.8) |
| Unknown | 57 (20.2) |
| Has smoked 100 cigarettes in lifetime | |
| No | 154 (53.8) |
| Yes | 119 (40.0) |
| Unknown | 16 (6.2) |
Abbreviations: Lump+WBI = lumpectomy plus whole-breast irradiation; Lump+Brachy = lumpectomy plus brachytherapy; Lump alone = lumpectomy plus endocrine therapy alone; NOS = not otherwise specified.
a
All percentages are weighted percentages except for local therapy; weights accounted for differential selection and response rates.