Pronovost Slide12 It Is Time To Get Serious about the Science of Healthcare DeliveryText version of slide presentation from a National Advisory Council meeting. Massachusetts CLABSI mean/median ratesImage: Line graph shows that Massachusetts's mean central line-associated blood stream infections (CLABSI) rate rose from 1.25 to 3 in the first quarter, then dropped to 1 in the second quarter; the rate remained around 0.6 for the next three quarters. Massachusetts's median CLABSI rate rose from 1 to about 2.25 in the first quarter, then dropped to baseline until the fifth quarter.Previous Slide Contents Next Slide Current as of August 2011 Internet Citation: Pronovost Slide12: It Is Time To Get Serious about the Science of Healthcare Delivery. August 2011. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/news/events/nac/2011-04-nac/pronovost/slide12.html