Concurrent validity of the GMS-AGECAT (A3) package in a Danish nursing home population

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  • Lisbeth Sørensen, Psykiatrisk Hospital i Århus, Denmark
  • Anders Foldspang, Denmark
  • N.C. Gulman, Denmark
  • Søren Juul-Nielsen, Denmark
  • Mimi Mehlsen, Denmark
  • Povl Munk-Jørgensen, Denmark
  • Master of Public Health (MPH)
Aim. To validate the Danish version of the GMS–AGECAT (A3), the Standardized Mini Mental State Examination (SMMSE) and the Geriatric Depression Scale-15 (GDS-15) by comparing them to clinical ICD-10 criteria in a Danish nursing home population.

Methods. With a participation of 91%, the study included 100 residents. All residents were interviewed with the GMS–AGECAT (A3), SMMSE and GDS-15 by an MD and then blindly diagnosed by a consultant geriatric psychiatrist. All residents approached for an interview were included, also those who were not able to communicate (the non-accessibles).

Results. The prevalence of clinical psychiatric ICD-10 main diagnoses was 56%. The non-accessibles had significantly higher psychiatric morbidity and lower ADL scores (modified Barthel ADL index) compared to those who were able to communicate. With the non-accessibles (N=100) included, the optimal screening and diagnostic cutpoint for the GMS–AGECAT organic diagnoses was 2/3, with 96% sensitivity, 73% specificity, 77% predictive value of a positive test and 95% predictive value of a negative test. The SMMSE and GDS-15 had better screening properties compared to the GMS–AGECAT but only 60% of the residents were able to complete the SMMSE and 78% were able to complete the GDS-15.

Conclusion. The Danish version of the GMS–AGECAT has relevant diagnostic and screening properties for organic disorders in Danish nursing home populations.
Original languageEnglish
JournalInternational Journal of Geriatric Psychiatry
Volume13
Issue5
Pages (from-to)336-42
Number of pages7
ISSN0885-6230
Publication statusPublished - May 1998

    Research areas

  • GMS-AGECAT, concurrent validity, nursing homes, aged

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