COVID-19(82) Biomarker(57) Patient(48) material(42) Biomarkers(38) Mortality(37) with COVID-19(33) death(31) D-dimer(30) COVID-19 patient(29) patients with COVID-19(27) association(26) disease(26) intensive care(25) hospitalized patient(22) outcome(22) patients(22) plasma(21) risk(20) Admission(18) Pneumonia(17) ferritin(17) Predictive(17) Inflammation(17) C-reactive protein(16) coronavirus(16) Infection(15) independent(15) disease severity(15) COVID-19 patients(15)