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Background Modern direct-acting antivirals (DAAs) can treat and cure hepatitis C virus (HCV) infection. Treatment of HCV at a population level has the potential to decrease the prevalence of chronic HCV infection and sequela. Unfortunately, many patients fall off the HCV treatment cascade and do not complete HCV treatment. As social determinants of health (SDHs) affect HCV acquisition, we sought to evaluate factors that may limit successful linkage to outpatient HCV care. Methods We conducted a case-control study by matching patients who missed and those who attended their outpatient HCV visits in 2018. We matched cases in a 1:1 ratio using propensity scores. Results Of 1,539 patients, 161 (10.5%) did not attend their HCV clinic appointment. Factors associated with a missed HCV visit on bivariate testing included identifying as Black (p=0.03), housing instability (p<0.001), transportation difficulty (p<0.001), history of medication non-adherence (p<0.001), and undergoing screening during an inpatient admission (p<0.001). Multivariate testing found transportation difficulty (p<0.001) and inpatient admission (p=0.002) to be associated with missing their HCV appointment. Patients who attended their HCV visit were more likely to be alive by the end of 2018 (p=0.07). Conclusion Patients who missed an initial scheduled infectious disease (ID) clinic appointment for HCV treatment had higher rates of housing instability, transportation difficulties, and medication non-adherence. Patients diagnosed with HCV infection should be provided additional support as appropriate to address the social determinants of health that may limit linkage to outpatient HCV care.
Palacios et al. (Mon,) studied this question.