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Table 5 Relative survival ratio by age for the 2492 Asian breast cancer patients treated with breast-conserving therapy (1989–2012)

From: Age exerts a continuous effect in the outcomes of Asian breast cancer patients treated with breast-conserving therapy

Age group 5-year cumulative survival rate (%) 5-year RSR [%(95% CI)]
Observed Expected
≤ 40 94.3 99.7 94.6 (91.2–96.8)
41–50 96.7 99.2 97.4 (95.7–98.6)
51–60 96.9 98.1 98.8 (96.6–100.1)
> 60 92.3 93.0 99.2 (94.1–102.5)
  1. RSR relative survival ratio