Breast Cancer Epidemiology and Survival Analysis of Shenyang in Northeast China: A Population-Based Study from 2008 to 2017

Table 10

Survival rates of two common breast cancer histological types in urban Shenyang from 2008 to 2013.

Survival time (Years)	Invasive ductal carcinoma (4288 cases)			Invasive lobular carcinoma (199 cases)
	Number at risk	Rates %	95% CI	Number at risk	Rates %	95% CI
1	4097	95.55	(94.93–96.17)	195	97.99	(96.04–99.94)
2	3894	90.81	(89.95–91.67)	187	93.97	(90.66–97.28)
3	3695	86.17	(85.14–87.20)	182	91.46	(87.58–95.34)
4	3535	82.44	(81.30–83.58)	174	87.44	(82.84–92.04)
5	3405	79.41	(78.20–80.62)	170	85.43	(80.53–90.33)