Table 1 Details of the findings
From: Patient-reported outcome measures in functional dyspepsia: a systematic review and COSMIN analysis
Scale | Time | Country | Number of items | Recall period | Patients studies | Translated version | Fill in time | Outcome measurement |
|---|---|---|---|---|---|---|---|---|
GSRS | 1988–2008 | Sweden | 15 | 1 week or 4 weeks | 204–853 | English, Dutch, German, Hungarian, Italian, Polish, Spanish, Navajo | Undefined | Likert-4 |
GDSS | 1996 | United Kingdom | 8 | 24Â weeks | 230 | English, Spanish | 4Â min | Undefined |
CDQ | 1996 | United Kingdom | 15 | 2Â weeks | 287 | English | Undefined | Undefined |
LDQ | 1998 | United Kingdom | 9 | 24Â weeks | 215 | English, Chinese, Italian, Farsi | 5Â min | Likert-5 |
DHSI | 1998–2001 | United States | 34 | 4 weeks | 690–692 | English, Malay, Norwegian, French, Dutch, Italian, German, Spanish | Undefined | Undefined |
NDI | 1999 | Australia | Quality of life component: 25 Symptom checklist: 15 | 2Â weeks | 113 | English, French, Dutch, Italian, German, Spanish, Chinese, Arabic | Undefined | Likert-5 |
DSSI | 2000 | United States | 20 | 2Â weeks | 72 | English | Undefined | Likert-5 |
SODA | 2001 | United States | 17 | 1Â week | 98 | English, Spanish | Undefined | Rasch model |
SLDQ | 2002 | Spain | 38 | Undefined | 63 | Spanish | Undefined | Likert-6 |
HKDI | 2002 | Hong Kong, China | 12 | Undefined | 130 | Chinese | Undefined | Likert-5 |
PADYQ | 2004 | Brazil | 11 | 4Â weeks | 62 | English, Brazilian Portuguese | Undefined | Undefined |
PAGI-SYM | 2004 | Germany | 20 | 2 weeks | 767–1577 | English, French, German, Italian, Polish, Dutch, Spanish | Undefined | Likert-6 |
Severity Index of Bologna | 2004 | Italy | 8 | Undefined | 148 | Italian | Undefined | Likert-5 |
GIS | 2005 | Australia | 10 | Undefined | 151 | English | 2–3 min | Likert-5 |
GOS | 2006 | Canada | 10 | 2Â days or 4Â weeks | 1633 | English | Undefined | Likert-7 |
SF-LDQ | 2007 | United Kingdom | 5 | 8Â weeks | 592 | English, Indonesian, Urdu | Undefined | Likert-5 |
GISSI | 2015 | United States | 39 | 2Â weeks or 30Â days | 934 | English | Undefined | Likert-5 |
LPDS | 2014–2016 | Belgium | 8 | 1 day | 91–229 | English, Dutch, French | Undefined | smiley faces |
FDSD | 2018–2022 | United States | 8 | 1 day | 102–512 | English | 1 min 30 s | NRS |
SAGIS | 2017 | Australia | 22 | 1Â week | 1120 | English | Undefined | Likert-5 |
ESM-PROM | 2019–2021 | Netherlands | 33 | Real Time | 35–45 | English, Dutch | 3-5 min | NRS |
FGI-Checklist | 2020 | Hong Kong, China | 20 | 1Â week | 641 | English, Chinese | Undefined | Likert-4 |
a Scale for PDS | 2021 | China | Undefined | 1 day |  ≥ 100 | Chinese | Undefined | smiley faces + VAS |
SEQ-DYSPEPSIA | 2022 | Korea | 11 | 2 weeks | 193 | English, Korean | Undefined | Likert-5 + cartoon-style images |