IL-6-based mortality risk model for hospitalized patients with COVID-19.

"Disclosure of potential conflict of interest: The authors declare that they have no relevant conflicts of interest."

"Supported by the 10.13039/501100004587Instituto de Salud Carlos III, 10.13039/501100004837Spanish Ministry of Science and Innovation (COVID-19 research call COV20/00181), and cofinanced by the European Development Regional Fund A Way to Achieve Europe, Operative Program Intelligent Growth 2014-2020. R.L.G. and O.C.M. each hold a Rio Hortega research contract (CM19/00120 and CM19/00092, respectively). P.T. holds a Juan Rodes research contract (JR19/00049), and M.F.R. holds a Miguel Servet research contract (CP18/00073), all from the Instituto de Salud Carlos III, Spanish Ministry of Science and Innovation. The funder of this study had no role in the study design, data collection, data analysis, interpretation of the data, or writing of the report. R.L.G. had full access to all the data and final responsibility to submit for publication. A.U.R. also had access to all the raw data."