Slide 14.htm Research USPSTF Grades of RecommendationsCertainty of Net BenefitMagnitude of Net Benefit SubstantialModerateSmallZero/negativeHighABCDModerateBBCDLowInsufficienthttp://www.uspreventiveservicestaskforce.org/uspstf/grades.htm Previous Slide Contents Next Slide Current as of December 2012 Internet Citation: Slide 14.htm. December 2012. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/professionals/clinicians-providers/kt/webinars/tfmethods/tfmethodsld14.html