Your test says less than one tenth. I really don't think it can get any lower than that. You don't have HCV antibodies.
EIA signal to cutoff ratio
EIA results are reported as “reactive” or “nonreactive” and the EIA signal to cutoff (s/co) ratio may also be reported as “high” or “low.” The EIA s/co ratio is a comparison of the optical density of the patient’s positive EIA result to the optical density of the laboratory’s positive EIA control. If the ratio is high (>3.8 using the most widely employed diagnostic kits, Ortho 3.0 or Abbott 2.0, the positive predictive value (that the patient truly has HCV antibody in the blood) of the patient’s result is high and therefore does not require confirmatory testing using the RIBA. The positive predictive value of s/co ratios using newer assays such as the Vitros Eci has not been established
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