Association of Dietary Inflammation Index and Helicobacter pylori Immunoglobulin G Seropositivity in US Adults: A Population-Based Study

Figure 3

The restricted cubic spline for the associations of DII with H. pylori infection based on model 3. Knots were placed at the 5th, 35th, 65th, and 95th percentiles of the DII distribution. The red solid line and red shaded area represent estimated values and their corresponding 95% confidence intervals.