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

Figure 2

PGE₂ levels by periodontal diagnosis. Expression of PGE₂ in gingivitis (n=21), chronic periodontitis (n=23), and healthy (n=2). 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.