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Table 2 Discrepant results between HCVAg and HCV-RNA

From: HCV core antigen and HCV-RNA in HIV/HCV co-infected patients with different HCV genotypes

Case Genotype HCVAg HCV-RNA Log ratio Notes
n   Fmol/L IU/mLI RNA/Ag  
1 3a 6.71 0 na Therapy 12 m, log ratio at T0 1.08, neg for both at 32 m
2 1a 11.21 0 na Therapy 8 m, log ratio at T0 2.46
2 1a 139.96 0 na Therapy 16 m, log ratio at T0 2.46
3 3a 7.32 <12 na Therapy 12 m, log ratio at T0 2.34, log ratio at 8 m 2.92
4 3a 6.82 <12 na Therapy 4 m, log ratio at T0 2.43
5 na 0.00 1142 na Untreated, single specimen
6 3a 0.20 1807 na Untreated, single specimen
7 4 0.54 3468 na Untreated, single specimen
8 3a 1.89 4975 na Untreated, single specimen
9 na 1.78 7939 na Untreated, single specimen
10 3a 1.19 9206 na Untreated, single specimen
11 1a 2.69 1598723 14.44 Untreated, single specimen
12 1c 3,972.47 2097 0.92 Untreated, single specimen
13 1a 7.92 105551 5.59 Untreated, single specimen
14 3a 8.83 40643 4.87 Untreated, single specimen
15 3a 18.96 698555 4.57 Untreated, single specimen
16 3a 31.20 7338172 4.57 Untreated, single specimen
  1. Five samples from four patients positive for HCVAg and negative for HCV-RNA, seven samples negative for HCVAg despite HCV-RNA levels higher than 1,000 UI/mL, five samples with a Log ratio between the two assays outside the expected range; na, not available; m, months.