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. Author manuscript; available in PMC: 2019 Sep 6.
Published in final edited form as: Cancer. 2018 Sep 6;124(17):3500–3509. doi: 10.1002/cncr.31638

Figure 3.

Figure 3

Figure 3

Age-adjusted incidence in DCIS and metastatic breast cancer among women 20–39 years old by age groups, SEER 1975–2015.

DCIS: ductal carcinoma in situ.

A. 20–29 years old. B. 30–39 years old.

Annual percentage changes (APC) and p values:

Among women 20–29 years old

DCIS: 1975–2015 APC 2.8 p<0.001

Metastatic: 1975–2015 APC 3.8 p<0.001

Among women 30–39 years old

DCIS: 1975–1989 APC 11.1, p<0.001; 1989–2005 APC 2.5, p=0.001; 2005–2015 APC −1.9, p=0.14. 1975–1989 vs. 1989–2005 p<0.001. 1989–2005 vs. 2005–2015 p=0.005)

Metastatic: 1975–1995 APC 0.8, p=0.22; 1995–2015 APC 3.9, p<0.001. P value for the difference <0.001