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Table 2 Observed and expected incidence-based mortality (/100) in 1992–2002 from breast cancers diagnosed in 1992–96 and the modelled changes in the incidence-based mortality from breast cancers diagnosed in the three five-year periods during 1972–1986 to 1992–1996, by age at diagnosis.

From: Impacts of the Finnish service screening programme on breast cancer rates

  Age group at diagnosis (years)
  40–44 45–49 50–54 55–59 60–64 65–69 40–69 50–69
Observed 0.005 0.008 0.011 0.009 0.011 0.013 0.009 0.011
Expected 1 0.004 0.006 0.010 0.010 0.012 0.012 0.009 0.011
Excess relative risk (in %)1 34 28 * 11 -7 -11 11 4 -3
  1. 1 (Observed – expected)/expected * Significant at 0.05 level