Silver Book Fact
The percentage of recommended care received by Medicare beneficiaries was 3.2% higher than those who did not have health insurance.
Asch S, Kerr E, Keesey J, Adams J, et al. Who Is at Greatest Risk for Receiving Poor-Quality Health Care?. NEJM. 2006; 354: 1147-1156. http://content.nejm.org/cgi/content/full/354/11/1147