| HCV Ag | HCV RNA + sample | HCV Ag values (fmol/L) Median    (range) | HCV RNA values (IU/mL) Median    (range) | 
      
        | Positive | 19 | 3.15 log10 (1.10 - 4.27 log10) | 5.55 log10 (3.12 - 6.87 log10) | 
      
        | Grey zone | 4 | 0.94 log10 (0.84 - 1.02 log10) | 3.39 log10 (3.07 - 4.9 log10) | 
      
        | Negative | 2 | 0 | 3.175 log10 (3.06 – 3.29 log10) | 
      
        | Total | 25 | 3.13 log10 (0 - 4.27 log10) | 5.48 log10 (3.06 – 6.87 log10) |