Table 2.

Number of women, median overall and relative survival in months and 5-year relative survival in percentage (95% confidence interval) for women diagnosed with de novo stage IV breast cancer in the SEER-11 areas by grouped age and year at diagnosis

Median (in months)
YearAge, yNOverallRelative survival5-y relative survival (95% CI)10-y relative survival (95% CI)
1992–199415–4943022.222.318% (14%–21%)10% (8%–14%)
1992–199450–6477718.419.115% (13%–18%)8% (6%–11%)
1992–199465–745981617.615% (12%–18%)7% (5%–10%)
1992–199475–8444210.110.916% (12%–20%)7% (4%–11%)
1992–199485+1683.84.16% (2%–13%)4% (0%–16%)
1992–1994All ages2,41515.716.715% (14%–17%)8% (7%–9%)
1995–199915–4989424.524.724% (21%–27%)11% (9%–13%)
1995–199950–641,32120.320.621% (18%–23%)10% (8%–12%)
1995–199965–7497814.415.217% (15%–20%)6% (5%–8%)
1995–199975–8479910.411.813% (10%–16%)7% (5%–10%)
1995–199985+2924.75.516% (10%–23%)8% (2%–21%)
1995–1999All ages4,28416.517.719% (17%–20%)8% (8%–9%)
2000–200415–491,3072929.329% (26%–31%)14% (12%–16%)
2000–200450–642,27024.625.124% (23%–26%)11% (10%–13%)
2000–200465–741,31918.920.320% (18%–23%)8% (6%–10%)
2000–200475–841,14210.311.415% (13%–18%)8% (6%–10%)
2000–200485+4365.77.214% (9%–20%)9% (3%–19%)
2000–2004All ages6,47419.821.122% (21%–23%)10% (9%–11%)
2005–201215–492,74838.438.736% (34%–38%)
2005–201250–644,8612929.725% (24%–27%)
2005–201265–742,46823.324.524% (22%–26%)
2005–201275–841,820121418% (16%–21%)
2005–201285+86568.213% (9%–17%)
2005–2012All ages12,76225.226.926% (25%–27%)
  • Abbreviation: CI, confidence interval.