. Author manuscript; available in PMC: 2013 Mar 1.

Published in final edited form as: J Comp Eff Res. 2012 May;1(3):241–255. doi: 10.2217/cer.12.16

Table 3.

Breast cancer internal analysis population.

Definition	Female Age 18+ Breast cancer diagnosis Continuously enrolled in plan at diagnosis (−3–6 months) Resides in Surveillance, Epidemiology and End Results Puget Sound region
Enrollment period (in relation to diagnosis)	Site
Enrollment period (in relation to diagnosis)	A	B	C	Total
−3–6 months	2250	2964	1999	7213
7–12 months	2221	2649	1934	6804
13–24 months	1893	2094	1569	5556
25–36 months	1247	1657	900	3804
37 or more months	793	1610	383	2786
Diagnosis timeframe
	April 2002–December 2009	April 2002–December 2009	June 2005–December 2009