Genotype 3 is the predominant hepatitis C genotype in a multi-ethnic Asian population in Malaysia

来源 :Hepatobiliary & Pancreatic Diseases International | 被引量 : 0次 | 上传用户:guyunlong0811
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BACKGROUND:Genotypes of hepatitis C virus(HCV)are distributed differently across the world.There is a paucity of such data in a multi-ethnic Asian population like Malaysia.The objectives of this study were to determine the distribution of HCV genotypes between major ethnic groups and to ascertain their association with basic demographic variables like age and gender.METHODS:This was a cross-sectional prospective study conducted from September 2007 to September 2013.Consecutive patients who were detected to have anti-HCV antibodies in the University of Malaya Medical Centre were included and tested for the presence of HCV RNA using Roche Cobas Amplicor Analyzer and HCV genotype using Roche single Linear Array HCV Genotyping strip.RESULTS:Five hundred and ninety-six subjects were found to have positive anti-HCV antibodies during this period of time.However,only 396(66.4%)were HCV RNA positive and included in the final analysis.Our results showed that HCV genotype 3 was the predominant genotype with overall frequency of 61.9%followed by genotypes 1(35.9%),2(1.8%)and 6(0.5%).There was a slightly higher prevalence of HCV genotype 3 among the Malays when compared to the Chinese(P=0.043).No other statistical significant differences were observed in the distribution of HCV genotypes among the major ethnic groups.There was also no association between the predominant genotypes and basic demographic variables.CONCLUSIONS:In a multi-ethnic Asian society in Malaysia,genotype 3 is the predominant genotype among all the major ethnic groups with genotype 1 as the second commonest genotype.Both genotypes 2 and 6 are uncommon.Neither genotype 4 nor 5 was detected.There is no identification of HCV genotype according to ethnic origin,age and gender. BACKGROUND: Genotypes of hepatitis C virus (HCV) are distributed differently across the world. There is a paucity of such data in a multi-ethnic Asian population like Malaysia. These objectives of this study were to determine the distribution of HCV genotypes between major ethnic groups and to ascertain their association with basic demographic variables like age and gender. METHODS: This was a cross-sectional prospective study conducted from September 2007 to September 2013.Consecutive patients who were detected to have anti-HCV antibodies in the University of Malaya Medical Center were included and tested for the presence of HCV RNA using Roche Cobas Amplicor Analyzer and HCV genotype using Roche single Linear Array HCV Genotyping strip .RESULTS: Five hundred and ninety-six subjects were found to have positive anti-HCV antibodies during this period of Only 396 (66.4%) were HCV RNA positive and included in the final analysis. Our results showed that HCV genotype 3 was the predominant ge notype with overall frequency of 61.9% followed by genotypes 1 (35.9%), 2 (1.8%) and 6 (0.5%). There was a slightly higher prevalence of HCV genotype 3 among the Malaysian when compared to the Chinese (P = 0.043 ) .No other statistical significant differences were observed in the distribution of HCV genotypes among the major ethnic groups.There was also no association between the predominant genotypes and basic demographic variables .CONCLUSIONS: In a multi-ethnic Asian society in Malaysia, genotype 3 is the predominant genotype among all the major ethnic groups with genotype 1 as the second commonest genotype.Both genotypes 2 and 6 are uncommon. Neither genotype 4 nor 5 was detected. There is no identification of HCV genotype according to ethnic origin, age and gender.
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