Table 2.

Adjusted hazard ratio for dying from breast cancer in 5 years among female breast cancer patients 20–39 years old by stage, SEER 1975–2015 (N=38,776).

	Adjusted hazard ratio (95% Confidence Interval)
	All	Localized	Regional	Metastatic	Invasive Breast Cancer
Sample Size	38,776	17,586	15,354	2,281	35,221
1975–1979	Reference	Reference	Reference	Reference	Reference
1980–1984	0.98(0.90–1.08)	0.94(0.79–1.13)	0.98(0.86–1.10)	0.89(0.68–1.16)	0.99(0.90–1.09)
1985–1989	0.86(0.79–0.95)	0.74(0.61–0.88)	0.94(0.83–1.06)	0.88(0.68–1.14)	0.91(0.83–0.99)
1990–1994	0.69(0.63–0.76)	0.61(0.50–0.73)	0.72(0.64–0.82)	0.87(0.67–1.13)	0.74(0.67–0.81)
1995–1999	0.54(0.49–0.60)	0.44(0.36–0.54)	0.57(0.50–0.65)	0.60(0.46–0.78)	0.59(0.53–0.65)
2000–2004	0.45(0.40–0.49)	0.33(0.26–0.42)	0.40(0.35–0.46)	0.56(0.44–0.73)	0.49(0.44–0.54)
2005–2009	0.37(0.33–0.41)	0.24(0.19–0.31)	0.31(0.27–0.36)	0.38(0.30–0.49)	0.40(0.36–0.45)
2010–2015	0.37(0.32–0.41)	0.26(0.19–0.35)	0.31(0.26–0.37)	0.29(0.22–0.37)	0.39(0.35–0.44)

Adjusted hazard ratio: hazard ratio for dying from breast cancer in 5 years, controlling for age at diagnosis and race.