Percentages of Positive Rapid Diagnostic Antigen Test (RDT) Results for Self-Collected and Health Care Worker (HCW)–Collected Nasal and Throat Specimens by Reverse Transcriptase–Polymerase Chain Reaction (RT-PCR) Cycling Threshold Value
throat
An intention-to-treat post hoc analysis confirmed that the mean sensitivity was higher for HCW-collected throat specimens than for HCW-collected nasal specimens for rapid antigen testing (69.8% [95% CI, 65.5%-74.0%] vs 59.9% [95% CI, 55.4%-64.4%]; 