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AI InsightThemarkers of a past HBV infection were found significantly more often in SC.Conclusion: Positive predictors of the SC HCV include favorable IL-28B genotype, female gender, young age, a history of jaundice, markers of a past HBV infection, the absence of HIV infection, but not the viral genotype.
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Background/Aims: Spontaneous viral clearance observed in some patients is one of the variants of the hepatitis C virus (HCV) infectionnatural history. We aimed to look at the complexity of factors affecting the spontaneous clearance of HCV (SC HCV).Materials and Methods: A total of 357 anti-HCV positive patients (309 with chronic hepatitis C and 48 patients with SC HCV) wereincluded into the study. We studied the effects of the interleukin-28B (IL-28B) gene polymorphism, gender, age, the routes of virustransmission, past hepatitis C with jaundice, HCV genotype, and hepatitis B virus (HBV) and HIV co-infection on the outcome of HCVinfection.Results: Based on the study results, the SC HCV was found in 48 individuals (13.4%). The most significant positive factors affecting theSC HCV included IL-28B single nucleotide polymorphism (SNP) rs12979860 (CC) and SNP rs8099917 (TT) (OR 4.03, p<0.001) and (OR3.14, p<0.002), female gender (OR 2.72, p<0.001), young age (OR 2.30, p<0.008), and past history of jaundice (OR 5.12, p<0.001). Themarkers of a past HBV infection were found significantly more often in SC.Conclusion: Positive predictors of the SC HCV include favorable IL-28B genotype, female gender, young age, a history of jaundice, markers of a past HBV infection, the absence of HIV infection, but not the viral genotype.