LDH levels in patients with COVID-19 correlated significantly with CRP (ρ = 0.31, p = 0.024), albumin (ρ = -0.40, p = 0.002), CKMB_M (ρ = 0.31, p = 0.028), and myoglobin (ρ = 0.29, p = 0.036). This evidence concerns the gene CRP and COVID-19.