Development and validation of a simple and multifaceted instrument, GERD-TEST, for the clinical evaluation of gastroesophageal reflux and dyspeptic symptoms

Table 4 Pearson's r value of gastroesophageal reflux and dyspepsia therapeutic efficacy and satisfaction test scores with physical component summary and mental component summary of SF-8 and symptom scores with DS (before treatment; n = 290)

	PCS		MCS		Q6. Eating		Q7. Sleeping		Q8. Daily activity		Q9. Mood
	r	P value	r	P value	r	P value	r	P value	r	P value	r	P value	r	P value
Q1. Heartburn	-0.267	< 0.0001	-0.236	< 0.0001	0.331	< 0.0001	0.420	< 0.0001	0.479	< 0.0001	0.560	< 0.0001	0.558	< 0.0001
Q2. Acid regurgitation	-0.214	0.0003	-0.193	0.0012	0.379	< 0.0001	0.406	< 0.0001	0.458	< 0.0001	0.498	< 0.0001	0.553	< 0.0001
GERD-SS	-0.266	< 0.0001	-0.238	< 0.0001	0.393	< 0.0001	0.457	< 0.0001	0.517	< 0.0001	0.585	< 0.0001	0.614	< 0.0001
Q3. Epigastric pain or burning	-0.311	< 0.0001	-0.327	< 0.0001	0.452	< 0.0001	0.445	< 0.0001	0.483	< 0.0001	0.520	< 0.0001	0.595	< 0.0001
Q4. Postprandial fullness	-0.173	0.0037	-0.402	< 0.0001	0.554	< 0.0001	0.317	< 0.0001	0.448	< 0.0001	0.510	< 0.0001	0.568	< 0.0001
Q5. Early satiation	-0.222	0.0002	-0.354	< 0.0001	0.716	< 0.0001	0.336	< 0.0001	0.440	< 0.0001	0.463	< 0.0001	0.606	< 0.0001
FD-SS	-0.305	< 0.0001	-0.424	< 0.0001	0.658	< 0.0001	0.468	< 0.0001	0.560	< 0.0001	0.611	< 0.0001	0.716	< 0.0001
Q6. Eating	-0.307	< 0.0001	-0.378	< 0.0001
Q7. Sleeping	-0.216	0.0003	-0.407	< 0.0001
Q8. Daily activity	-0.356	< 0.0001	-0.494	< 0.0001
Q9. Mood	-0.307	< 0.0001	-0.496	< 0.0001
Dissatisfaction for daily life-SS	-0.370	< 0.0001	-0.553	< 0.0001
	Effect size	Small	Medium	Large
	r	0.1 ≤	0.3 ≤	0.5 ≤

GERD-TEST: Gastroesophageal reflux and dyspepsia-therapeutic efficacy and satisfaction test; PCS: Physical component summary; MCS: Mental component summary; FD: Functional dyspepsia.