Product Search Search Effective Health Care website Submit search Search Tip: Use double quotes around phrases to rank exact matches higher in the result list. 3 results Change Score or Followup Score? An Empirical Evaluation of the Impact of Choice of Mean Difference Estimates White Paper April 20, 2015 Data Points #18: Use of and access to health care by Medicare beneficiaries with diabetes: impact of diabetes type and insulin use, 2007-2011 Research Report January 29, 2014 Prompt Reduction in Use of Medications for Comorbid Conditions After Bariatric Surgery Research Report Archived July 30, 2010