Figure 1.

The estimated probability of the incidence of psychological disorders for patients in GERD and control cohorts. The patients in the GERD cohort showed a significantly higher probability of having psychological disorders than those in the control cohort (log-rank test, P = .007). X-axis: time to diagnosis of GERD in weeks; y-axis: estimated probability of the incidence of psychological disorders. Red line: GERD cohort patients; black line: control patients. GERD = gastroesophageal reflux disease.