CRP and respiratory failure: A value of 11 μg/dL showed an AUC of 0.78 (sensitivity 72%, specificity 71%) for respiratory failure [36]; CRP > 25.95 mg/L has an AUC of 0.84 (95% CI 0.780–0.905) for severity [37]; CRP > 46 mg/L has an AUC of 0.777 for severity [23]; CRP > 38.2 mg/L has and AUC of 0.875 (95% CI 0.867–0.883) (sensitivity 84.6%, Specificity 92.3%) for severity [28].