What Does This Test Result For HCV Indicate?

Sir have done medical test for gulf and found anti hcv reactive 1.7 i repeated this test from other labs details as under Machine Roche value 0.03 non reactive machine vitros value 0.1 non reactive machine abbot vaue 1.7 reactive.I have done 3 times test over abbot as they required test from abbot machine. And it showz reactive with 1.7 around.How to get reduce my anti hcv value had consult with gastroandrologisthe give me pcr test which came negative and didnt give me any medicine.i am avoiding all oily food and dairy products for 3 months but vaue ovet abbot machine still the same.