Table 2.
Selected Baseline, 2004, or Breast Cancer Characteristics in Participants With Unilateral Breast Cancer Between 1986 and 2003 Who Responded to the 2004 Follow-Up Survey
| Characteristic | % of Women
|
||
|---|---|---|---|
| Without Lymphedema or Arm Symptoms (n = 708) | Diagnosed Lymphedema (n = 104) | Arm Symptoms Without Lymphedema (n = 475) | |
| Age at baseline, years | |||
| Mean | 61.0 | 60.5 | 61.1 |
| SE | 0.2 | 0.4 | 0.2 |
| Age at breast cancer diagnosis, years | |||
| Mean | 71.0 | 70.8 | 71.1 |
| SE | 0.2 | 0.5 | 0.3 |
| Time since breast cancer diagnosis, years | |||
| Mean | 8.1 | 7.8 | 8.2 |
| SE | 0.2 | 0.5 | 0.2 |
| BMI | |||
| Baseline, ≥ 25 kg/m2 | 60.3 | 78.9 | 65.9 |
| 2004, ≥ 25 kg/m2 | 59.1 | 80.4 | 64.5 |
| Comorbidity index* | 55.1 | 60.6 | 59.6 |
| Tumor size (SEER), mm | |||
| < 10 | 31.9 | 23.1 | 27.4 |
| 10-20 | 34.2 | 41.4 | 39.6 |
| > 20 | 23.6 | 27.9 | 21.9 |
| Unknown | 10.3 | 7.7 | 11.2 |
| Cancer stage (SEER) | |||
| In situ | 13.2 | 5.8 | 14.6 |
| Local | 58.4 | 58.3 | 57.4 |
| Regional/distant | 12.0 | 21.4 | 15.1 |
| Unknown | 16.4 | 14.6 | 12.9 |
| Surgery (SEER) | |||
| No surgery | 1.0 | 0.8 | 0.6 |
| Lumpectomy | 34.6 | 31.6 | 36.7 |
| Simple mastectomy | 2.9 | 3.6 | 4.8 |
| Radical mastectomy | 61.5 | 64.0 | 57.9 |
| No. of nodes examined (SEER)† | |||
| Mean | 10.3 | 13.3 | 11.8 |
| SE | 0.3 | 0.8 | 0.4 |
| Positive lymph nodes (SEER)† | 11.7 | 21.2 | 16.9 |
| Radiation treatment (2004 follow-up) | |||
| Ever to axilla | 7.9 | 13.5 | 11.8 |
| Ever to breast | 32.9 | 41.4 | 32.8 |
| Ever received chemotherapy (2004 follow-up) | 9.8 | 22.1 | 11.2 |
| Ever received tamoxifen (2004 follow-up) | 43.8 | 55.8 | 42.7 |
Abbreviations: BMI, body mass index; SEER, Surveillance, Epidemiology, and End Results.
*
Derived from baseline and follow-up questionnaires; participants with a history of hypertension, heart disease, and/or diabetes.
†
No. of nodes only available since 1988; women diagnosed with unilateral breast cancer during or after 1988 (n = 1,209) are included (participants without lymphedema or arm symptoms, n = 666; participants with lymphedema, n = 94; participants with arm symptoms without diagnosed, n = 449).