|EGD: esophagogastroduodenoscopy; LES: lower esophageal sphincter.|
aMeans report ±1 SD, medians report 25th and 75th percentile ranges, and proportions report absolute numbers (percentiles).
bHeartburn and heartburn-related quality of life scores (higher scores for worse symptoms).
cSF-36 physical score (higher scores for better function; U.S. general ‘‘healthy group’’ population mean = 55.3).
dPercentage of time esophageal pH was <4 (off antisecretory medications).
eTen patients with grade A and four patients with grade B esophagitis according to the Los Angeles classification.