Skip to main content
. Author manuscript; available in PMC: 2013 Dec 1.
Published in final edited form as: Health Serv Res. 2012 May 11;47(6):2339–2352. doi: 10.1111/j.1475-6773.2012.01426.x

Table 2c.

MA Enrollment by FFS Spending Quartile, 2010–2011

MA Enrollment, 2010 MA Enrollment, 2011 Change, 2010–2011
Quartile 1 (lowest spending) 17.3% 17.9% 0.6%
Quartile 2 15.0% 15.7% 0.7%
Quartile 3 15.2% 15.8% 0.6%
Quartile 4 (highest spending) 17.7% 18.4% 0.7%
Total 16.5% 17.2% 0.7%

Note: all figures are based on data from HMO and PPO MA plans only. Plan and contract counts are unweighted, enrollment amounts are weighted by Medicare population.

Source: CMS’s “Medicare Options Compare” files for 2010–2011, contract-plan-state-county enrollment data for 2010–2011, and Ratebook data for 2010–2011.