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Evaluation of seven rapid diagnostic tests for detection of hepatitis C virus antibodies in China

Rapid diagnostic tests as an attractive alternative to enzyme immunoassay could identify hepatitis C virus (HCV) infected persons more expeditiously. The availability of high performing and quality‐assured rapid diagnostic tests are essential to scale‐up HCV screening. The study was undertaken to evaluate the performance of seven domestic HCV rapid diagnostic tests kits. The kits were evaluated by using HCV serum panels, including HCV basic panel, analytical specificity panel, mixed titre performance panel, characteristic panel, seroconversion panel, and genotype qualification panel. The results showed that clinical sensitivity, clinical specificity and analytical specificity of seven rapid diagnostic tests kits ranged from 94% (95% CI: 83.2–98.6) to 100% (95% CI: 91.5–100). Furthermore, specimens with HCV genotypes 1b, 2a, 3a, 4a, 5a, 6 could be detected by HCV rapid diagnostic tests kits, whereas specimens with genotypes 1a and 2b could not be detected. Additionally, most HCV rapid diagnostic tests kits had great performance in diagnosing different titres and/or different bands samples, but some low S/CO value specimens may not be fully detected by few rapid diagnostic test kits. In conclusion, seven HCV rapid diagnostic tests reagents presented high sensitivity, specificity, good anti‐interference and detection ability of early infection, which could meet the requirements of clinical HCV antibody screening.