Fig. 1From: Preoperative serum immunoglobulin G and A antibodies to Porphyromonas gingivalis are potential serum biomarkers for the diagnosis and prognosis of esophageal squamous cell carcinomaEnzyme-linked immunosorbent assay (ELISA) of serum IgG and IgA antibodies to P. gingivalis in healthy controls (n = 80), patients with esophagitis (n = 50) and ESCC (n = 96). a Scatter plots of ELISA units (EUs) of P. gingivalis IgG antibody in serum of healthy controls, patients with esophagitis and ESCC. b Scatter plots of ELISA units (EUs) of P. gingivalis IgA antibody in serum of healthy controls, patients with esophagitis and ESCCBack to article page