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Table 2 Five- and nine-year breast cancer-specific survival in the pre-and post-program group and screening group

From: Improved breast cancer survival following introduction of an organized mammography screening program among both screened and unscreened women: a population-based cohort study

  5-year 9-year
Group Survival 95% CI Survival 95% CI
Pre-program group 0.76 0.75 to 0.77 0.66 0.65 to 0.67
Post-program group 0.80 0.79 to 0.81 0.72 0.70 to 0.74
Screening group 0.91 0.90 to 0.92 0.84 0.80 to 0.88
  1. CI = confidence interval.