Trends in Breast Cancer Incidence Rates by Age and Stage at Diagnosis in Gharbiah, Egypt, over 10 Years (1999–2008)

Table 2

Average annual percent change (AAPC) in breast cancer incidence rates/100,000 person-years by age group and year of diagnosis, 1999–2008, and predictions for breast cancer caseloads, years 2009–2015.

Age group	Years	AAPC^a	LCL^b	UCL^c
0–29	1999–2008	0.0%	−6.9%	7.5%
30–39	1999–2008	−1.9%	−3.7%	0.0%
40–49	1999–2008	0.3%	−1.6%	2.2%
50–59	1999–2008	2.3%	0.8%	3.7%
60–69	1999–2008	3.6%	1.2%	6.0%
70+	1999–2008	5.1%	1.2%	9.2%
Overall	1999–2008	2.3%	1.5%	3.0%
0–29	2009–2015	−0.2%	−4.7%	4.6%
30–39	2009–2015	1.0%	0.9%	1.1%
40–49	2009–2015	1.8%	1.0%	2.6%
50–59	2009–2015	1.8%	−0.7%	4.5%
60–69	2009–2015	0.5%	−1.5%	2.5%
70+	2009–2015	1.1%	−1.2%	3.4%
Overall	2009–2015	1.4%	−0.2%	3.1%

aAverage annual percent change.
^bLower confidence limit (95% confidence interval).
^cUpper confidence limit (95% confidence interval).
Results in bold are statistically significant at the alpha 0.05 level.