Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Performance characteristics of three extraction-free SARS-CoV-2 RT-PCR assays compared to a standard RT-PCR assay.
| Test | Sensitivity |
Specificity | ||
|---|---|---|---|---|
| Ct <30 | Ct >30 | Overall | ||
| PrimeDirect | 91.9 % (34/37) | 12.5 % (4/32) | 55.1 % (38/69) | 88 % (22/25) |
| PrimeScript | 89.2 % (33/37) | 46.9 % (15/32) | 69.6 % (48/69) | 100 % (25/25) |
| Sansure | 94.6 % (35/37) | 40.6 % (13/32) | 69.6 % (48/69) | 100 % (25/25) |
