Meta-analysis on the epidemiology of gastroesophageal reflux disease in China

Figure 1 Flowchart of the selection of studies.

Figure 2 Prevalence of gastroesophageal reflux disease in different periods. A: Violin diagram of the original prevalence; B: Line chart of the pooled prevalence.

Figure 3 Prevalence of gastroesophageal reflux disease in different provinces of China.

Figure 4 Forest plot for subgroup analysis by demographic data.

Figure 5 Spatial trend distribution of gastroesophageal reflux disease. A: Trend Analysis; B: Moran-scatterplot; C: Lisa concentration map; D: Lisa significance map.

Figure 6 Correlation heat map of the relationship between gastroesophageal reflux disease and upper gastrointestinal tumors. ^aP < 0.05, ^bP < 0.01.