Table 2 Crude age-specific breast cancer (BC) incidence rate ratios (IRRs) and incidence-based mortality rate ratios (IBMRRs) with 95% confidence intervals in Turku (TKU) in comparison with the rest of Finland (RoF) and Helsinki (HEL)
Incidence | BC-related risk of mortality by year of diagnosis | BC-related risk of mortality by year of death | |
|---|---|---|---|
TKU vs RoF | |||
40–49 | |||
1976–1986 | 1.20* (1.01–1.44) | 1.24 (0.93–1.65) | 1.48 (0.97–2.25) |
1987–2009 | 1.16** (1.06–1.27) | 0.90 (0.71–1.16) | 1.08 (0.77–1.53) |
50–59 | |||
1976–1986 | 1.18* (1.00–1.38) | 1.08 (0.85–1.37) | 1.13 (0.86–1.49) |
1987–2009 | 1.13*** (1.06–1.22) | 1.06 (0.86–1.30) | 0.89 (0.71–1.11) |
60–74 | |||
1976–1986 | 1.26*** (1.12–1.41) | 1.09 (0.90–1.32) | 1.02 (0.84–1.24) |
1987–2009 | 1.29*** (1.22–1.38) | 0.94 (0.79–1.11) | 0.98 (0.83–1.16) |
75–84 | |||
1976–1986 | 1.28** (1.08–1.51) | 1.05 (0.79–1.40) | 1.21 (0.97–1.50) |
1987–2009 | 1.03 (0.93–1.14) | 0.77 (0.59–1.00) | 0.86 (0.71–1.05) |
TKU vs HEL | |||
40–49 | |||
1976–1986 | 0.88 (0.72–1.07) | 0.85 (0.62–1.17) | 1.04 (0.65–1.67) |
1987–2009 | 0.98 (0.89–1.09) | 0.83 (0.63–1.09) | 0.98 (0.66–1.44) |
50–59 | |||
1976–1986 | 0.77** (0.65–0.91) | 0.75* (0.58–0.98) | 0.90 (0.66–1.22) |
1987–2009 | 0.97 (0.89–1.05) | 0.82 (0.65–1.03) | 0.83 (0.66–1.07) |
60–74 | |||
1976–1986 | 0.87* (0.76–0.98) | 0.84 (0.68–1.04) | 0.68*** (0.55–0.85) |
1987–2009 | 0.92* (0.86–0.99) | 0.64*** (0.53–0.77) | 0.65*** (0.54–0.78) |
75–84 | |||
1976–1986 | 0.87 (0.72–1.05) | 0.89 (0.65–1.22) | 0.89 (0.69–1.13) |
1987–2009 | 0.77*** (0.69–0.86) | 0.64** (0.47–0.85) | 0.67*** (0.54–0.84) |