CRP and COVID-19: DPP3 (ρ = 0.46, p < 0.001), CRP (ρ = 0.67, p < 0.001), and leucocytes (ρ = 0.39, p < 0.001) were significantly correlated with pulmonary infiltrates in COVID-19 patients, as opposed to non-COVID-19 patients (each p = n.s).