(signal for test sample) / (signal at cut-off value)(English)

• concerning total SARS-CoV-2 antibodies (including IgG and IgM) in maternal and cord blood samples, a test value of 1.00 or more is considered reactive (ie, positive for antibodies) and a result below 1.00 is considered non-reactive (ie negative for antibodies)
• COVID-19
• Diagnostics, Pregnancy, Ratio-based metric
• https://doi.org…1111/aogs.14274