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. 2023 Mar 28. Online ahead of print. doi: 10.1016/S1473-3099(23)00129-9

Figure 2.

Figure 2

Sensitivity of SARS-CoV-2 LFDs by viral load and patient symptoms

The model predictions plotted are adjusted for test setting (predictions are shown for unselected community-based testing), assistance performing the test (self-performed), vaccination status (unvaccinated), and variant (alpha [B.1.1.7] or pre-alpha [B1.1.177]). In addition to the model shown in table 1, an interaction term between viral load and LFD was included to allow the shape of the curves to vary by device. A comparison with observed data is presented in the appendix (p 7). LFD=lateral flow device.