Table 2.
Hospitalisations for cardiovascular disease among 163 881 women with breast cancer
| Total breast cancer population | Breast cancer patients hospitalised for CVD | |
| Breast cancer patients, n (%)* | 163 881 (100.0) | 32 276 (19.7) |
| Type of breast cancer, n (%) | ||
| In situ | 12 378 (7.6) | 2144 (6.6) |
| Invasive | 151 503 (92.4) | 30 132 (93.4) |
| Calendar period of breast cancer admission, n (%)† | ||
| 1996–1999 | 39 485 (24.1) | 11 135 (34.5) |
| 2000–2003 | 44 211 (27.0) | 10.564 (32.7) |
| 2004–2007 | 45 378 (27.7) | 7687 (23.8) |
| 2008–2010 | 34 807 (21.2) | 2890 (9.0) |
| Age at breast cancer admission in years, n (%) | ||
| <50 | 36 720 (22.4) | 4155 (12.9) |
| 50–59 | 43 054 (26.3) | 6507 (20.2) |
| 60–69 | 39 144 (23.9) | 8582 (26.6) |
| 70–79 | 29 555 (18.0) | 8713 (27.0) |
| >79 | 15 408 (9.4) | 4319 (13.4) |
| Follow-up time in years | ||
| Median (IQR) | 4.3 (1.7–8.0) | 3.2 (1.1–6.6) |
| Follow-up time intervals in years, n (%) | ||
| <1 | 27 276 (16.6) | 7620 (23.6) |
| 1–4 | 64 138 (39.1) | 13 365 (41.4) |
| 5–9 | 47 665 (29.1) | 8038 (24.9) |
| >9 | 24 802 (15.1) | 3253 (6.6) |
| Interval years between breast cancer admission and CVD hospitalisation, n (%) | ||
| <1 | 8766 (5.3) | 8766 (27.2) |
| <3 | 17 485 (10.7) | 17 485 (54.2) |
| <5 | 23 273 (14.2) | 23 273 (72.1) |
*Percentage of total breast cancer population (n=163 881).
†Data on hospital admissions were available until 2010. Absolute risks of hospitalisation for CVD decrease with more recent calendar period.
CVD, cardiovascular disease.