Gastrointestinal Quality of Life index (GIQLI)

A Short Form was also created: the GIQLI-10

WEBINAR: An Author Webinar on the Gastrointestinal Quality of Life Index - Recorded session available here!

The GIQLI was developed in parallel in German and English

English version was published in 1995

Eypasch E, Williams JI, Wood-Dauphinee S, Ure BM, Schmülling C, Neugebauer E, Troidl H. Gastrointestinal Quality of Life Index: development, validation and application of a new instrument. Br J Surg. 1995 Feb;82(2):216-22 (PubMed Abstract)

Eypasch E, Wood-Dauphinee S, Williams JI, et al. Der Gastrointestinale Lebensqualitätsindex (GLQI)-Ein klinimetrischer Index zur Befindlichkeitsmessung in der gastroenterologischen Chirurgie. Chirurg 1993; 64:264-74

• GIQLI User-Agreement

* Excluding VAT
Commercial users: Industry, CRO, any for-profit companies
Funded Academic research: Projects receiving funding from commerce, government, EU or registered charity. Funded academic research– sponsored by industry fits the “commercial users” category.
Not funded academic users, individual medical practice: Projects are not explicitly funded, but funding comes from overall departmental funds or from the University or individual funds

Conditions to translate

Please refer to the "Languages" tab

Conditions to implement in electronic applications

Exclusive licensor for e-versions of the questionnaire: Mapi Research Trust

Academic and Commercial Users

• Shall follow the “Conditions of use”  mentioned above
• In addition, in case the electronic version of the questionnaire is developed by a third party (IT Company, e-PRO vendor…), User shall check with Mapi Research Trust that this third party has signed the necessary License Agreement with Mapi Research Trust before developing the electronic version of the Questionnaire.

Information Technology (IT) Companies (incl. ePRO vendors)

• In case of a one-shot development and commercial use of an electronic version of the questionnaire by the IT Company, the IT Company shall:
  • Sign a “Specific-Study License Agreement with IT Company” with Mapi Research Trust
    • authorizing the electronic implementation of the questionnaire for the specific study only
    • shall not permit the IT Company to promote the electronic version of the questionnaire or its use for another study or another client
  • Pay a one-shot license fee per study to Mapi Research Trust: 500 Euros
  • Pay a one-shot royalty fee per study to the author: 500 Euros
• In case of an IT Company who wishes to develop an electronic version of the questionnaire and would like to obtain a non-exclusive license to market and promote their devices / tablets / smartphones / e-applications using the questionnaire, the IT Company shall:
  • Sign a “General License Agreement with IT Company” with Mapi Research Trust
    • authorizing the electronic implementation of the questionnaire on multiple devices for multiple studies and clients
    • permitting the IT Company to promote the electronic versions of the questionnaire by any marketing means (including, but not limited to, IT Company’s  promotional documents / websites / press release / communication during conferences / webinars)
  • Pay an annual administrative fee of 2,500 Euros to Mapi Research Trust
  • Pay an annual royalty fee of 2,500 Euros to the author

Examination copies can only be used for the limited purpose of examining the suitability of the Questionnaire for subsequent research and/or clinical use, and cannot be used in research or in clinical practice or distributed to others.
You are not authorized to modify, retype, translate, copy or otherwise duplicate the Questionnaire except with the further and prior written permission of Mapi Research Trust / the developers / copyright holders / distributors.

• GIQLI in German for Germany

The listed translations may not have undergone a full linguistic validation process and may require further work to be suitable for use in a study. This list is subject to constant changes, therefore please check the status of translations with Mapi Research Trust / the developers / copyright holders / distributors.

For information on, or permission to use the Chinese for Hong Kong translation, please contact:

Dr KM Chu
Department of Surgery
The University of Hong Kong
Hong Kong
E-mail: chukm@hku.hk

Bibliographic reference of the Chinese for Taiwan translation:

Lien HH, Huang CC, Wang PC, Chen YH, Huang CS, Lin TL, Tsai MC. Validation assessment of the Chinese (Taiwan) version of the Gastrointestinal Quality of Life Index for patients with symptomatic gallstone disease. J Laparoendosc Adv Surg Tech A. 2007 Aug;17(4):429-34

Bibliographic reference of the Chinese for Hong-Kong translation:

Yeung SM, Shiu AT, Martin CR, Chu KM. Translation and validation of the Chinese version of the Gastrointestinal Quality of Life Index in patients with gastric tumor. J Psychosom Res. 2006 Oct;61(4):469-77

Bibliographic reference of the Dutch translation:

Nieveen van DijkumEJM,TerweeCB, OosterveldP et al. Validation of the gastrointestinal quality of life index for patients with potentially operable periampullary carcinoma. Br J Surg 2000; 87(1): 110-5

Bibliographic reference of the French translation:

Slim K, Bousquet J, Kwiatkowski F et al. (First Validation of the French Version of Gastrointestinal Quality of life Index (GIQLI) [In French] Première validation de la version française de l'index qualité de vie pour les maladies digestives (GIQLI). Gastroentérologie Clinique et Biologique 1999;23:25-31

Bibliographic reference of the Spanish translation:

Quintana JM, Cabriada J, Lopez de Tejada I, Varona M, Oribe V, Barrios B, Perdigo L, Bilbao A. [Translation and validation of the gastrointestinal Quality of Life Index (GIQLI).] Rev Esp Enferm Dig. 2001 Nov;93(11):693-706

Bibliographic reference of the Swedish translation:

Sandblom G, Videhult P, Karlson BM, Wollert S, Ljungdahl M, Darkahi B, Liljeholm H, Rasmussen IC. Validation of Gastrointestinal Quality of Life Index in Swedish for assessing the impact of gallstones on health-related quality of life. Value Health. 2009 Jan;12(1):181-4

My study is not funded

• I am a non-commercial user
• I do not receive specific funding for my study
• I intend to use the questionnaire in individual clinical practice or research study