- Chest CT for patients infected with COVID-19 has a sensitivity of 98%, compared to RT-PCR at 71% ( p<.001).
- Non-contrast chest CT could be used for screening for COVID-19 for patients with compatible features of COVID-19 infection, especially when RT-PCR is negative.
This information was provided by a retrospective study of 51 patients published in the Radiology journal on February 19 2020.
Fang Y, Zhang H, Xie J, Lin M, Ying L, Pang P et al. (February 19, 2020). Sensitivity of Chest CT for COVID-19: Comparison to RT-PCR. Radiology. https://doi.org/10.1148/radiol.2020200432