From: Development and multi-center clinical trials of an up-converting phosphor technology-based point-of-care (UPT-POCT) assay for rapid COVID-19 diagnosis and prediction of protective effects
Groups
Clinical confirmed cases
UPT-POCT positive case
Cases
Detection rate (95% CI)
1–7 days
55
32
58.18% (45.03–70.26%)
8–14 days
86
70
81.40% (71.89–88.21%)
> 14 days
246
243
98.78% (89.15–91.87%)
Total
387
345
89.15% (85.65–91.87%)