Clinical Research
Copyright ©2005 Baishideng Publishing Group Inc.
World J Gastroenterol. Dec 14, 2005; 11(46): 7296-7301
Published online Dec 14, 2005. doi: 10.3748/wjg.v11.i46.7296
Table 4 Ultrasonographic characteristics of gastro-esophageal reflux in patients with or without symptomatic reflux episodes
WithsymptomaticrefluxWithoutsymptomaticrefluxP
Subjects2015
Number of reflux episodes11.5 (4-21)7 (2-18)<0.02
Reflux frequency (reflux episodes/min)0.58 (0.2-1.05)0.4 (0.1-0.9)<0.05
Maximal esophageal lumen enlargement (mm)5.5 (1.7-13.5)3.0 (1-17)NS
Duration of the longest reflux episode (s)11 (6-18)8 (2-17)NS