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Table 2 Clinical performance and agreement of HCV RNA and HCVcAg detection on DBS

From: Confirmation of HCV viremia using HCV RNA and core antigen testing on dried blood spot in HIV infected peoples who inject drugs in Vietnam

  Specificity % (n) Sensitivity % (n; 95% CI) Cohen coefficient
DBS HCV RNA 100% (15/15) 92.0% (79/86; 86.3–97.7)  
DBS HCVcAg 100% (15/15) 87.2% (75/86; 79.9–94.1)  
HCV RNA/HCVcAg agreement    0.65