Table 5. Five-year relative survival rate of female patients with breast cancer in Korea (1993–2018).

Factor		Year of diagnosis
		1993–1995	1996–2000	2001–2005	2006–2010	2011–2015	2014–2018
Age group (yr)
	< 45	80.3	85.1	89.2	91.8	93.3	93.9
	45–60	80.0	83.9	90.0	92.2	93.6	94.2
	> 60	73.3	78.7	83.9	87.7	90.3	90.9
Stage group
	Localized	-	-	-	97.8	98.6	98.8
	Regional	-	-	-	89.7	91.6	92.4
	Distant	-	-	-	41.1	40.7	40.3
	Unknown	-	-	-	88.4	84.0	84.0