Table 1.
Deaths from cardiovascular disease among 163 881 women with breast cancer
| Total breast cancer population | Breast cancer patients who died from CVD | Breast cancer patients who died from breast cancer | |
| Breast cancer patients, n (%)* | 163 881 (100) | 9115 (5.6) | 37 187 (22.7) |
| Type of breast cancer, n (%) | |||
| In situ | 12 378 (7.6) | 483 (5.3) | 607 (1.6) |
| Invasive | 151 503 (92.4) | 8632 (94.7) | 36 580 (98.4) |
| Calendar period of breast cancer admission, n (%)† | |||
| 1996–1999 | 39 485 (24.1) | 3540 (38.8) | 12 698 (34.1) |
| 2000–2003 | 44 211 (27.0) | 2936 (32.2) | 10 946 (29.4) |
| 2004–2007 | 45 378 (27.7) | 1825 (20.0) | 8882 (23.9) |
| 2008–2010 | 34 807 (21.2) | 814 (8.9) | 4661 (12.5) |
| Age at breast cancer admission in years, n (%) | |||
| <50 | 36 720 (22.4) | 121 (1.3) | 8777 (23.6) |
| 50–59 | 43 054 (26.3) | 481 (5.3) | 8664 (23.3) |
| 60–69 | 39 144 (23.9) | 1613 (17.7) | 7985 (21.5) |
| 70–79 | 29 555 (18.0) | 3640 (39.9) | 7111 (19.1) |
| >79 | 15 408 (9.4) | 3260 (35.8) | 4650 (12.5) |
| Follow-up time in years | |||
| Median (IQR) | 8.5 (5.3–12.7) | 6.3 (3.3–10.0) | 3.1 (1.2–6.2) |
| Follow-up time intervals in years, n (%) | |||
| <1 | 10 256 (6.3) | 692 (7.6) | 8044 (21.6) |
| 1–4 | 26 054 (15.9) | 2921 (32.0) | 16 897 (45.4) |
| 5–9 | 61 602 (37.6) | 3232 (35.5) | 8664 (23.3) |
| >9 | 65 969 (40.3) | 2270 (24.9) | 3582 (9.6) |
| Interval years between breast cancer admission and death, n (%) | |||
| <5 | 36 301 (54.4) | 5052 (55.4) | 24 941 (67.0) |
| 5–9 | 18 912 (28.4) | 2686 (29.5) | 8664 (23.3) |
| >9 | 11 403 (17.1) | 1377 (15.1) | 3582 (9.6) |
*Percentage of total breast cancer population (n=163 881).
†Data on cause of death were available until 2015. Absolute risks of death from CVD decrease with more recent calendar period.
CVD, cardiovascular disease.