5 years ago

Hepatitis C Virus Testing for Case Identification in Persons Born during 1945-1965: Results from Three Randomized Controlled Trials.

CDC and U.S. Preventive Services Task Force recommend one-time hepatitis C virus (HCV) testing for persons born during 1945-1965 (birth cohort). However, few studies estimate the effect of birth cohort (BC) testing implementation on HCV diagnoses in primary care settings. We aimed to determine the probability of identifying HCV infections in primary care using targeted BC testing compared with usual care at three academic medical centers. From December 2012 to March 2014, each center compared one of three distinct interventions to usual care using an independently-designed randomized controlled trial. Across centers, BC patients with no clinical documentation of previous HCV testing or diagnosis were randomly assigned to receive a one-time offering of HCV antibody (anti-HCV) testing via one of three independent implementation strategies (repeated-mailing outreach, EMR-integrated provider best practice alert [BPA], and direct patient-solicitation) or assigned to receive usual care. We estimated model-adjusted risk ratios (aRR) of anti-HCV positive (anti-HCV+) identification using BC testing versus usual care. In the repeated-mailing trial, 8,992 patients (intervention=2,993; control=5,999) were included in the analysis. The intervention was eight times as likely to identify anti-HCV+ patients compared with control (aRR 8.0, 95%CI 2.8-23.0; adjusted probabilities: intervention=0.27%; control=0.03%). In the BPA trial, data from 14,475 patients (BC=8,928; control=5,547) were analyzed. The intervention was 2.6 times as likely to identify anti-HCV+ patients versus control (aRR 2.6, 95%CI 1.1-6.4; adjusted probabilities: intervention=0.29%; control=0.11%). In the patient-solicitation trial, 8,873 patients (BC=4,307; control=4,566) were analyzed. The intervention was five times as likely to identify anti-HCV+ patients compared with control (aRR 5.3, 95%CI 2.3-12.3; adjusted probabilities: intervention=0.68%; control=0.11%).

Publisher URL: http://doi.org/10.1002/hep.29548

DOI: 10.1002/hep.29548

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