CRP and infection: Multivariate logistic models, adjusted for the use of steroids and Tocilizumab and the need for invasive mechanical ventilation, showed that PCT ≥ 0.16 ng/mL and CRP ≥ 1.35 mg/dL were associated (p < 0.001) with infection acquired during ICU stay (PCT: OR 6.71; 95%CI 3.78–11.90; CRP: OR 5.03; 95%CI 2.94–8.60).