Treatment for Hepatitis C Virus Infection in Adults: Comparative Effectiveness
Rating the Strength of Evidence From the Comparative Effectiveness Review
Throughout this slide set, strength of evidence ratings are assigned to findings of the report. Strength of evidence is typically assigned to reviews of medical treatments after assessing four domains: risk of bias, consistency, directness, and precision. Although these categories were developed to assess the strength of treatment studies, the domains apply also to studies of prevalence and screening. Available evidence for each Key Question (KQ) was assessed for each of these four domains; the domains were combined qualitatively to develop the strength of evidence for each KQ.
- Chou R, Hartung D, Rahman B, et al. Treatment for Hepatitis C Virus Infection in Adults: A Comparative Effectiveness Review. Evidence Report No. 76 (Prepared by the Oregon Evidence-based Practice Center under Contract No. 290-2007-10057-I). Rockville, MD: Agency for Healthcare Research and Quality; August 2012. AHRQ Publication No. 12-EHC113-EF. Available at www.effectivehealthcare.ahrq.gov/hepctreatment.cfm.
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