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Comparison of cumulative positivity rates of viral culture (four studies) and mariPOC (sensitivity sample cohort 2) to qRT-PCR below different Ct categories10,12,14,48.
| Arons (%) | La Scola (%) | Singanayagam (%) | Basile (%) | mariPOC | ||
|---|---|---|---|---|---|---|
| Preliminary | Final | |||||
| Ct < 25 | 87 | 83 | 85 | 89 | 100.0% (20/20) | 100.0% (20/20) |
| Ct < 28 | 77 | 77 | NA | 86 | 90.3% (28/31) | 100.0% (31/31) |
| Ct < 30 | 67 | 75 | 74 | 82 | 83.8% (31/37) | 91.9% (34/37) |
| Overall | 62 | 68 | 30 | NA | 73.3% (33/45) | 84.4% (38/45) |
NA = not applicable.
