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Korean Journal of Preventive Medicine 1995;28(2): 526-541.
Assessment of Validity of RT-PCR and EIA for The Detection of Hepatitis C Virus Infection.
Byung Chul Son, Jin Ho Chun, Yeong Hong Park, Hai Rim Shin, Kyu Il Cho, Jong Han Kim, Kui Oak Jung, Jong Tae Lee, Chae Un Lee, Nak Whan Paik
This study was conducted to estimate the validity of reverse transcriptase-polymerase chain reaction(RT-PCR) compared to enzyme immunoassay(EIA) for the detection of hepatitis C virus (HCV) infection. ElA for antibody to HCV(anti-HCV) and RT-PCR for HCV was executed on the subjects from Pusan and kyungnam area with questionnaire survey to collect some relating factors of HCV infection As the result from 617 cases, the prevalence of flcv infection was 1.5% by ElA and 3.7% by RT-PCR(p<0.05), and the age standardized rate was 1.7% and 3.4% by ElA and RT-PCR, respectively. The prevalence of hepatitis B surface antigen(HBsAg) was 6.8% by enzyme linked immunosorbent assay(ELlSA) and the age standardized rate was 7.7%. It was the higher in male group comparing to female group(p<0.01). Both of the prevalence of HCV and HBsAg were higher in elevated asparate aminotransferase(AST) and alanine aminotransferase (ALT) group than in normal AST and ALT group(p<0.01). There was no specific risk factor of HCV infection. Though the degree of agreement of EIA and RT-PCR by gamma statistics was 97.2%, it showed a significant difference between the two methods(p<0.01). For the detection of HCV infection, positive predictive value of ElA was 66.7 % and negative predictive value of EIA was 97.2%. This study suggests that negative result to anti-HCV by ElA didn't mean the free state of HCV infection, therefore it would be helpful that further monitoring for HCV infection by RT-PCR in the case of elevated AST and ALT and/or clinically suspected.
Key words: Hepatitis C virus; EIA; RT-PCR
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