Targeted analysis of IL1 A, IL1B, IL6, and CD14 in maternal plasma of the 2 d Sterile Chorioamnionitis Group animals did not improve predictive values with a mean AUC of 0.46 (95% CI 0.13–0.79), Sensitivity 67%, Specificity 57%, PPV 0.67, NPV 0.57 (Fig. 3B, Table 4). The gene discussed is IL1B; the disease is chorioamnionitis.