Gastro-oesophageal reflux disease (GORD) specific health related quality of life (HRQOL) instruments
| Validity | Reliability | |||||||
|---|---|---|---|---|---|---|---|---|
| Instrument | Items/scoring5-150 | Domains | Face | Content | Construct | IC | TR | |
| GSRS20-22 | 15/105–15 | Reflux, diarrhoea, constipation, pain, indigestion | L, E | Factor analysis | SF-36, PGWB | 0.60–0.85 | ICC 0.42–0.6 | |
| GORQ26 | 76/NS | Heartburn, regurgitation, effect of heartburn, pain, dysphagia, UGI, respiratory, past history, medications, past treatments, miscellaneous | L, E | 3 field tests | NT | NT | κ 0.70 | |
| GORD-HRQL27 | 10/45–0 | NS | E | NT | Endoscopic oesophagitis | NT | NT | |
| HBQOL30 | 15/0–100 | Role physical, pain, sleep, diet, social, mental health | L, E | NT | SF-36 | 0.75–0.91 | NT | |
| QOLRAD32 | 25/25–175 | Emotional, sleep, eating problems, physical/social, vitality | L, E, P | Factor analysis | SF-36, GSRS | 0.89–0.94 | NT | |
↵5-150 Scores range from worst to best QOL.
NS, not stated; NT, not tested; IC, internal consistency (Cronbach's alpha); TR, test-retest.
L, literature review; E, expert opinion; P, patient interviews.