Trends in Breast Cancer Incidence Rates by Age and Stage at Diagnosis in Gharbiah, Egypt, over 10 Years (1999–2008)
Table 3
Average annual percent change (AAPC) in breast cancer incidence rates/100,000 person-years by summary stage and age group and predictions for breast cancer caseloads, years 2009–2015.
Stage
Age group
Years
AAPCa
LCLb
UCLc
Localized
0–29
1999–2008
−2.7%
−16.2%
13%
30–39
1999–2008
−1.3%
−6.4%
4.1%
40–49
1999–2008
5.8%
2.4%
9.3%
50–59
1999–2008
3.1%
−1.8%
8.3%
60–69
1999–2008
9.4%
3.5%
15.7%
70+
1999–2008
18.2%
−1.7%
42.0%
Overall
1999–2008
5.5%
3.1%
8.0%
Regional
0–29
1999–2008
−0.5%
−11.1%
11.4%
30–39
1999–2008
−0.9%
−3.9%
2.3%
40–49
1999–2008
−0.7%
−3.4%
2.0%
50–59
1999–2008
3.8%
1.2%
6.4%
60–69
1999–2008
4.7%
1.8%
7.7%
70+
1999–2008
6.6%
−2.5%
16.6%
Overall
1999–2008
2.6%
1.0%
4.3%
Distant
0–29
1999–2008
−45.7%
−76.2%
23.8%
30–39
1999–2008
−11.3%
−19.6%
−2.1%
40–49
1999–2008
−5.4%
−10.2%
−0.2%
50–59
1999–2008
−2.2%
−9.4%
5.5%
60–69
1999–2008
−4.9%
−11.4%
2.1%
70+
1999–2008
3.8%
−8.6%
18.0%
Overall
1999–2008
−4.0%
−8.2%
0.4%
Localized
0–29
2009–2015
0.0%
0.0%
0.0%
30–39
2009–2015
0.9%
0.1%
1.7%
40–49
2009–2015
2.1%
1.9%
2.4%
50–59
2009–2015
2.9%
2.5%
3.2%
60–69
2009–2015
1.0%
0.6%
1.4%
70+
2009–2015
2.2%
0.9%
3.5%
Overall
2009–2015
1.3%
1.2%
1.4%
Regional
0–29
2009–2015
1.5%
0.5%
2.5%
30–39
2009–2015
1.0%
0.8%
1.2%
40–49
2009–2015
2.0%
1.9%
2.2%
50–59
2009–2015
2.7%
2.6%
2.8%
60–69
2009–2015
1.1%
0.9%
1.3%
70+
2009–2015
1.6%
1.0%
2.3%
Overall
2009–2015
1.3%
1.3%
1.4%
Distant
0–29
2009–2015
0.0%
0.0%
0.0%
30–39
2009–2015
0.0%
0.0%
0.0%
40–49
2009–2015
2.1%
1.3%
3.0%
50–59
2009–2015
2.4%
1.7%
3.2%
60–69
2009–2015
2.3%
0.8%
3.8%
70+
2009–2015
2.3%
0.2%
4.5%
Overall
2009–2015
1.4%
1.2%
1.7%
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.