Barthel Index (Barthel Index)

Mahoney FI; Barthel DW

Distributed by Mapi Research Trust


Distributed by Mapi Research Trust

Basic description

  • The version described here is the one published by Mahoney and Barthel in 1965.
  • Many modified versions of the Barthel Index exist. For example, the Stroke Center version but the author don’t recognize this version as valid and they don’t want the users to use it.

Other versions of the Barthel Index:

  • 10-item version with total score ranging from 0 to 20 (Collin and Wade, 1988)
  • 15-item version with four-point response scales (Granger et al, 1979; Fortinsky et al, 1981)

Mahoney FI; Barthel DW

The Maryland State Medical Society holds the copyright for the Barthel Index.
Mahoney FI, Barthel D. Functional evaluation: the Barthel Index. Maryland State Med Journal 1965;14:56-61. Used with permission.
Permission is required to modify the Barthel Index or to use it for commercial purposes.
To measure a person's daily functioning specifically the activities of daily living (ADL) and mobility
Therapeutic area
  • Generic
Therapeutic indication


Widely used in the field of rehabilitation
Type of Clinical Outcome Assessment (COA)
  • clinro ClinRO
Original language(s)
  • English for the USA
Bibliographic reference(s) of the original questionnaire

Mahoney FI, Barthel DW. Functional evaluation: The Barthel Index. Md State Med J. 1965 Feb;14:56-61

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Mahoney FI; Barthel DW

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Original language(s)

  • English for the USA


The list of available translations is subject to constant changes and may not be exhaustive. It is provided for information only. Some recently produced translations may not be included in the list below yet. Please do check the status of available translations with Mapi Research Trust / the developers / copyright holders / distributors.

Also, 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.

Barthel Index

Arabic for Saudi Arabia
Bengali for India
Croatian for Croatia
Czech for Czech Republic*
Danish for Denmark*
Dutch for the Netherlands*
English for Canada*
English for the UK*
Farsi (Persian) for Iran
French for France*
French for Switzerland*
German for Austria*
German for Germany*
German for Switzerland*
Hebrew for Israel*
Hungarian for Hungary*
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Italian for Italy*
Japanese for Japan*
Korean for South Korea*
Lithuanian for Lithuania*
Malayalam for India
Mandarin for Taiwan
Norwegian for Norway*
Polish for Poland*
Portuguese for Brazil*
Portuguese for Portugal*
Russian for Russia*
Serbian for Serbia
Slovenian for Slovenia*
Spanish for Spain*
Spanish for the USA*
Swedish for Sweden*
Thai for Thailand
* Performed by Mapi/ICON

BiblioPRO: you can find information about the Spanish version here - puede encontrar información sobre la versión española aqui

The author has selected Mapi/ICON Language Services as exclusive linguistic validation company to ensure the production of harmonized and consistent language versions.

For additional information on available translations of this instrument, or for a project involving new languages, please submit a request (tutorials available on our FAQs).

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More information on translations

Bibliographic references of the translations:

Heuschmann PU, Kolominsky-Rabas PL, Nolte CH, Hünermund G, Ruf HU, Laumeier I, Meyrer R, Alberti T, Rahmann A, Kurth T, Berger K. Untersuchung der Reliabilität der deutschen Version des Barthel-Index sowie Entwicklung einer postalischen und telefonischen Fassung für den Einsatz bei Schlaganfall- Patienten [The reliability of the german version of the barthel-index and the development of a postal and telephone version for the application on stroke patients]. Fortschr Neurol Psychiatr. 2005 Feb;73(2):74-82 (PubMed abstract)

Tofani M, Massai P, Fabbrini G, Berardi A, Pelosin E, Conte A, De Bartolo I, Valente D. Psychometric properties of the Italian version of the Barthel Index in patients with Parkinson's disease: a reliability and validity study. Funct Neurol. 2019 Jul/Sep;34(3):145-150 (PubMed abstract)

Galeoto G, Formica MC, Mercuri NB, Santilli V, Berardi AC, Castiglia SF, Mollica R, Servadio A. Evaluation of the psychometric properties of the Barthel Index in an Italian ischemic stroke population in the acute phase: a cross- sectional study. Funct Neurol. 2019 Jan-Mar;34(1):29-34 (PubMed abstract)

Castiglia SF, Galeoto G, Lauta A, Palumbo A, Tirinelli F, Viselli F, Santilli V, Sacchetti ML. The culturally adapted Italian version of the Barthel Index (IcaBI): assessment of structural validity, inter-rater reliability and responsiveness to clinically relevant improvements in patients admitted to inpatient rehabilitation centers. Funct Neurol. 2017 Oct/Dec;22(4):221-228 (Full text article)

Hormozi S, Alizadeh-Khoei M, Sharifi F, Taati F, Aminalroaya R, Fadaee S, Angooti-Oshnari L, Saghebi H. Iranian Version of Barthel Index: Validity and Reliability in Outpatients' Elderly. Int J Prev Med. 2019 Aug 1;10:130 (Full text article)

Portuguese for Brazil:
Reis NFD, Biscaro RRM, Figueiredo FCXS, Lunardelli ECB, Silva RMD. Early Rehabilitation Index: translation and cross-cultural adaptation to Brazilian Portuguese; and Early Rehabilitation Barthel Index: validation for use in the intensive care unit. Rev Bras Ter Intensiva. 2021 Sep 20:S0103-507X2021005001202 (PubMed abstract)

Bernaola-Sagardui I. Validation of the Barthel Index in the Spanish population. Enferm Clin (Engl Ed). 2018 May-Jun;28(3):210-211

González N, Bilbao A, Forjaz MJ, Ayala A, Orive M, Garcia-Gutierrez S, Hayas CL, Quintana JM; OFF (Older Falls Fracture)-IRYSS group. Psychometric characteristics of the Spanish version of the Barthel Index. Aging Clin Exp Res. 2018 May;30(5):489-497 (PubMed abstract)

Cabañero-Martínez MJ, Cabrero-García J, Richart-Martínez M, Muñoz-Mendoza CL. The Spanish versions of the Barthel index (BI) and the Katz index (KI) of activities of daily living (ADL): a structured review. Arch Gerontol Geriatr. 2009 Jul-Aug;49(1):e77-84 (PubMed abstract)

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