Periodontal Disease, Inflammatory Cytokines, and PGE₂ in Pregnant Patients at Risk of Preterm Delivery: A Pilot Study

Figure 1

PGE₂ levels by risk. Expression of PGE₂ in case group patients at risk of preterm delivery (High Risk) and the control group not at risk (Normal), n=23 per group. The PGE₂ levels was quantified by ELISA and compared between groups by a bivariate analysis. The data are represented by the median for each group.