Enhanced detection of low-level viremia by cobas 5800/6800 testing systems: a multi-center evaluation and clinical calibration study in China.

Front Cell Infect Microbiol · 2026 · PMC13423631 · PMID 42539470

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an increasing trendno p-value reported

The analysis results indicate that for different HIV-1 subtypes, as the VL rises, all the three testing systems exhibited an increasing trend in inter-laboratory precision ( Table 5 , Figure 4 ), with CVs spanning from <2% at high concentrations to ~16% for low-level samples (100 IU/mL).

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