TABLE 1.

The annual percent change (APC) and average annual percent change (AAPC) of breast cancer cases and age-standardized incidence for women in Hong Kong, Shanghai, and whites and blacks in Los Angeles during 1988–2012.

City	Segments	Cases		ASIR
United States, LA: White	Trend 1	1988–2001	0.9 (0.4,1.3)*	1988–2000	0.3 (−0.2,0.8)
	Trend 2	2001–2004	−2.1 (−10.2,6.6)	2000–2003	−3.4 (−10.8,4.6)
	Trend 3	2004–2012	0.8 (−0.1,1.7)	2003–2012	−0.6 (−1.3,0.2)
	AAPC (95% CI)	1988–2012	0.3 (0.1,0.5)*	1988–2012	−0.6 (−0.9,−0.4)*
United States, LA: Black	Trend 1	1988–1995	3.2 (1.7,4.7)*	1988–1995	1.9 (0.5,3.4)*
	Trend 2	1995–2012	0.9 (0.6,1.3)*	1995–2012	−0.4 (−0.7,−0.0)*
	AAPC (95% CI)	1988–2012	1.4 (1.1,1.6)*	1988–2012	0.1 (−0.2,0.4)
China, Shanghai	Trend 1	1988–1990	11.6 (−2.1,27.1)	1988–1998	1.8 (0.6,3.0)*
	Trend 2	1990–1994	−1.5 (−7.3,4.7)	1998–2001	8.4 (−5.4,24.1)
	Trend 3	1994–2004	5.6 (4.5,6.6)*	2001–2012	0.9 (0.1,1.8)*
	Trend 4	2004–2012	2.4 (1.4,3.4)*	—	—
	AAPC (95% CI)	1988–2012	3.8 (3.5,4.2)*	1988–2012	2.5 (2.1,2.9)*
China, Hong Kong	Trend 1	1988–2012	5.5 (5.2,5.7)*	1988–2008	2.0 (1.7,2.2)*
	Trend 2	—	—	2008–2012	4.7 (2.0,7.4)*
	AAPC (95% CI)	1988–2012	5.5 (5.2,5.7)*	1988–2012	2.2 (2.0,2.5)*

*p < 0.05.