How common are false-negative RT-PCR results in COVID-19 patients?

How common are false-negative RT-PCR results in COVID-19 patients?

This systematic review showed that up to 58% of COVID-19 patients may have initial false-negative RT-PCR results, suggesting the need to implement a correct diagnostic strategy to correctly identify suspected cases, thereby reducing false-negative results and decreasing the disease burden among the population.

See also  What is the best healthcare system in the world?