CRP and COVID-19: Finally, the mean of each inflammatory marker was in range among COVID-19 patients except lactate dehydrogenase (LDH) (479 vs. 124–243 U/L), troponin I (210.76 vs. 0.0–34.0 ng/L), C reactive protein (CRP) (150.43 vs. 0.0–5.0 mg/L) and procalcitonin (1.02 vs. 0.0–0.05 ng/mL), which were all higher.