Table 1: Validated gastrointestinal health-related quality-of-life scales.


Gastrointestinal Symptom Rating Scale (GSRS) Gastrointestinal Quality of Life Index (GIQLI) Psychological General Well-Being Index (PGWBI)

• Reflux, abdominal pain, constipation, diarrhea, and indigestion • Reflux, abdominal pain, constipation, diarrhea, and indigestion • Anxiety, depressed mood, positive well-being, self-control, general health, vitality
• 15 items • 36 items • 22 items
• GERD a , dyspepsia, IBS • Nonspecific, GERD, IBS • GERD, dyspepsia
• Very good to good reliability, validity, and responsiveness • Good reliability, validity, and responsiveness • Very good reliability, validity, and responsiveness
• Lower numbers represent fewer or less severe symptoms • Higher numbers respresent better QoL • Higher numbers represent better QoL