Observational Study
Copyright ©The Author(s) 2017.
World J Gastroenterol. Jul 28, 2017; 23(28): 5216-5228
Published online Jul 28, 2017. doi: 10.3748/wjg.v23.i28.5216
Table 5 Comparison of gastroesophageal reflux and dyspepsia-therapeutic efficacy and satisfaction test scores before and after 4 wk of proton pump inhibitor treatment (n = 198)
Before Tx
After 4 wk PPI Tx
Cohen's dP value
meanSDmeanSD
Q1. Heartburn3.641.311.770.971.63< 0.0001
Q2. Acid regurgitation3.171.371.660.951.29< 0.0001
GERD-SS3.401.201.710.911.59< 0.0001
Q3. Epigastric pain or burning3.111.401.751.021.11< 0.0001
Q4. Postprandial fullness3.051.341.951.060.91< 0.0001
Q5. Early satiation2.251.341.760.910.42< 0.0001
FD-SS2.881.131.800.851.08< 0.0001
Q6. Eating1.971.071.410.740.61< 0.0001
Q7. Sleeping2.141.071.290.630.97< 0.0001
Q8. Daily activity1.981.001.330.670.76< 0.0001
Q9. Mood2.551.061.570.801.05< 0.0001
Dissatisfaction for daily life-SS2.150.841.400.591.04< 0.0001
Effect sizeSmallMediumLarge
Cohen's d0.2 ≤0.5 ≤0.8 ≤
r0.1 ≤0.3 ≤0.5 ≤