Journal of Cancer Epidemiology / 2013 / Article / Tab 2

Research Article

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 groupYearsAAPCaLCLbUCLc

0–291999–20080.0%−6.9%7.5%
30–391999–2008−1.9%−3.7%0.0%
40–491999–20080.3%−1.6%2.2%
50–591999–20082.3%0.8%3.7%
60–691999–20083.6%1.2%6.0%
70+1999–20085.1%1.2%9.2%
Overall1999–20082.3%1.5%3.0%

0–292009–2015−0.2%−4.7%4.6%
30–392009–20151.0%0.9%1.1%
40–492009–20151.8%1.0%2.6%
50–592009–20151.8%−0.7%4.5%
60–692009–20150.5%−1.5%2.5%
70+2009–20151.1%−1.2%3.4%
Overall2009–20151.4%−0.2%3.1%

Average 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.

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