According to a recent CDC report on healthcare-associated infections, on a national level there has been:

• central line-associated bloodstream infections (CLABSI) decreased 46% between 2008 and 2013
• surgical site infections (SSI) related to 10 select procedures decreased 19% between 2008 and 2013
• catheter-associated urinary tract infections (CAUTI) increased 6% since 2009
• MRSA bloodstream infections decreased 8% between 2011 and 2013

Source: "Progress Being Made in Infection Control in U.S. Hospitals; Continued Improvements Needed," Centers for Disease Control and Prevention Press Release, January 14, 2015, http://www.cdc.gov/media/releases/2015/p0114-MRSA-hospitals-report.html