On the other hand, CRP and PCT did not serve as well as infection classifiers, with their AUC being non-statistically significant (0.576; 95% CI, 0.473 to 0.678; p = 0.157) and CRP (0.517; 95% CI, 0.411 to 0.623; p = 0.747) (Figure 3). The gene discussed is CRP; the disease is infection.