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. 2021 Jun 4;68:103414. doi: 10.1016/j.ebiom.2021.103414

Fig. 4.

Fig. 4:

Sensitivity of lateral flow devices, with 95% confidence intervals, by antibody index (categorised into groups of approximately equal size), among n = 613 EDSAB-HOME participants who were positive on Roche Elecsys®. Top panel: sensitivity by anti-Nucleoprotein antibody (Roche Elecsys®); Bottom Panel: sensitivity by anti-Spike IgG (EuroImmun). Lines show exploratory dose-response curves based on a Weibull function. Red lines: lateral flow test contains nucleoprotein; Blue lines: lateral flow test contains spike proteins.