Table 1.
Summary of patient characteristics by use of LTFU clinic
| Variable | All patients N =41 |
No LTFU clinic N =18 |
LTFU clinic N =23 |
p value | |||
|---|---|---|---|---|---|---|---|
| N | % | N | % | N | % | ||
| Stage at diagnosis | 0.87 | ||||||
| 1a | 2 | 5.4 | 1 | 6.7 | 1 | 4.6 | |
| 2a | 25 | 67.6 | 9 | 60.0 | 16 | 72.7 | |
| 2b | 5 | 13.5 | 2 | 13.3 | 3 | 13.6 | |
| 3a | 2 | 5.4 | 1 | 6.7 | 1 | 4.6 | |
| 4b | 3 | 8.1 | 2 | 13.3 | 1 | 4.6 | |
| Missing | 4 | 3 | 1 | ||||
| Radiation field | 0.0004 | ||||||
| Involved field/mini-mantle | 17 | 41.5 | 10 | 55.6 | 7 | 30.4 | |
| Mantle | 19 | 46.3 | 3 | 16.7 | 16 | 69.6 | |
| Chest radiation, unsp field | 5 | 12.2 | 5 | 27.8 | 0 | 0.0 | |
| Chemotherapy | 0.57 | ||||||
| No | 3 | 7.3 | 2 | 11.1 | 1 | 4.4 | |
| Yes | 38 | 92.7 | 16 | 88.9 | 22 | 95.7 | |
| Doxorubicin | 1.00 | ||||||
| No | 2 | 5.1 | 1 | 6.3 | 1 | 4.4 | |
| Yes | 37 | 94.9 | 15 | 93.8 | 22 | 95.7 | |
| Missing | 2 | 2 | 0 | ||||
| BMT | 0.57 | ||||||
| No | 38 | 92.7 | 16 | 88.9 | 22 | 95.7 | |
| Yes | 3 | 7.3 | 2 | 11.1 | 1 | 4.4 | |
| Recurrence | 0.68 | ||||||
| No | 34 | 82.9 | 14 | 77.8 | 20 | 87.0 | |
| Yes | 7 | 17.1 | 4 | 22.2 | 3 | 13.0 | |
| Sign family Hx of BrCa | 0.38 | ||||||
| No | 32 | 84.2 | 13 | 76.5 | 19 | 90.5 | |
| Yes | 6 | 15.8 | 4 | 23.5 | 2 | 9.5 | |
| Missing | 3 | 1 | 2 | ||||
| Family Hx of CV disease | 0.09 | ||||||
| No | 13 | 34.2 | 3 | 17.7 | 10 | 47.6 | |
| Yes | 25 | 65.8 | 14 | 82.4 | 11 | 52.4 | |
| Missing | 3 | 1 | 2 | ||||
| Tobacco use | 0.41 | ||||||
| No | 30 | 73.2 | 12 | 66.7 | 18 | 78.3 | |
| Yes | 11 | 26.8 | 6 | 33.3 | 5 | 21.7 | |
| Alcohol use | 0.96 | ||||||
| No | 11 | 28.2 | 5 | 27.8 | 6 | 28.6 | |
| Yes | 28 | 71.8 | 13 | 72.2 | 15 | 71.4 | |
| Missing | 2 | 0 | 2 | ||||
| Hyperlipidemia | 0.08 | ||||||
| No | 31 | 75.6 | 11 | 61.1 | 20 | 87.0 | |
| Yes | 10 | 24.4 | 7 | 38.9 | 3 | 13.0 | |
| Hypertension | 0.64 | ||||||
| No | 36 | 87.8 | 15 | 83.3 | 21 | 91.3 | |
| Yes | 5 | 12.2 | 3 | 16.7 | 2 | 8.7 | |
| Diabetes | 1.00 | ||||||
| No | 40 | 97.6 | 18 | 100.0 | 22 | 95.7 | |
| Yes | 1 | 2.4 | 0 | 0.0 | 1 | 4.4 | |
| Hypothyroid | 0.44 | ||||||
| No | 21 | 51.2 | 8 | 44.4 | 13 | 56.5 | |
| Yes (all tx induced) | 20 | 48.8 | 10 | 55.6 | 10 | 43.5 | |
| Provider | 0.12 | ||||||
| PCP | 28 | 68.3 | 10 | 55.6 | 18 | 78.3 | |
| Onc | 13 | 31.7 | 8 | 44.4 | 5 | 21.7 | |
| Cardiovascular disease | 0.72 | ||||||
| No | 29 | 72.5 | 14 | 77.8 | 15 | 68.2 | |
| Yes | 11 | 27.5 | 4 | 22.2 | 7 | 31.8 | |
| Breast cancer | 0.20 | ||||||
| No | 38 | 95.0 | 16 | 88.9 | 22 | 100.0 | |
| Yes | 2 | 5.0 | 2 | 11.1 | 0 | 0.0 | |
| Missing | 1 | 0 | 1 | ||||
| Breast biopsies | 1.00 | ||||||
| No | 28 | 70.0 | 13 | 72.2 | 15 | 68.2 | |
| Yes | 12 | 30.0 | 5 | 27.8 | 7 | 31.8 | |
| Missing | 1 | 0 | 1 | ||||
| Other cancer | 1.00 | ||||||
| No | 37 | 92.5 | 17 | 94.4 | 20 | 90.9 | |
| Yes | 3 | 7.5 | 1 | 5.6 | 2 | 9.1 | |
| Missing | 1 | 0 | 1 | ||||
| N | Median (min, max) | N | Median (min, max) | N | Median (min, max) | ||
| Age at diagnosis | 41 | 29.0 (12–58) | 18 | 36.5 (22–58) | 23 | 24.0 (12–52) | 0.001 |
| Year of diagnosis | 41 | 2001 (1993–2009) | 18 | 2001.5 (1993–2009) | 23 | 2001 (1993–2009) | 0.69 |
| Last follow-up (year) | 41 | 2014 (2010–2014) | 18 | 2014(2011–2014) | 23 | 2014 (2010–2014) | 0.65 |
| Radiation dose | 26 | 3570 (2040–4500) | 5 | 3570 (3060–3600) | 21 | 3570 (2040–4500) | 0.97 |