Fig 3. Prevalence of GERD at baseline and 1 year after attempted smoking cessation.
The number of patients that experienced improvement in GERD was significantly higher in the success group (43.1%) than in the failure group (18.2%). Seven (7.8%) of the patients within the success group and 2 (7.1%) of the 28 patients within the failure group newly developed GERD at 1 year after the treatment.