Diagnostic Utility of a Ferritin-to-Procalcitonin Ratio to Differentiate Patients With COVID-19 From Those With Bacterial Pneumonia: A Multicenter Study.
Amal A GharamtiFei MeiKatherine C JankouskyJin HuangPeter HysonDaniel B ChastainJiawei FanSharmon OsaeWayne W ZhangJosé G MontoyaKristine M ErlandsonSias J SchergerCarlos Franco-ParedesAndrés F Henao MartinezLeland ShapiroPublished in: Open forum infectious diseases (2021)
An F/P ≥877 increases the likelihood of COVID-19 pneumonia compared with bacterial pneumonia.