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Table 7 Correlation analysis of somatization, anxiety, depression, and the dyspepsia symptom severity

From: Developing the Patient Health Questionnaire-8 for a greater impact on the quality of life of patients with functional dyspepsia compared to Somatic Symptom Scale-8

Variable

FD

(n = 612)

PDS

(n = 175)

EPS

(n = 112)

Overlap (n = 325)

Anxiety

    

R

0.223

0.231

0.147

0.232

P

< 0.001

< 0.001

< 0.001

< 0.001

Depression

    

R

0.323

0.296

0.322

0.333

P

< 0.001

< 0.001

< 0.001

< 0.001

Somatization PHQ-8

    

R

0.374

0.396

0.293

0.346

P

< 0.001

< 0.001

< 0.001

< 0.001

Somatization SSS-8

    

R

0.399

0.395

0.281

0.362

P

< 0.001

< 0.001

< 0.001

< 0.001

  1. FD functional dyspepsia, PDS postprandial distress syndrome, EPS epigastric pain syndrome, PHQ-8 Patient Health Questionnaire-8, SSS-8 Somatic Symptom Scale-8