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Table 3 Overview of studies that defined study participants with dementia based on a recorded diagnosis

From: People with dementia in nursing home research: a methodological review of the definition and identification of the study population

Publications

Method of sample determination

Definition and diagnostic criteria used for (new) dementia diagnosis

Screenings performed

Qualification and training of professionals performing screenings/diagnostics

[41]

A suspected dementia diagnosis (by nursing staff) or existing dementia diagnosis confirmed by the attending GP

â–ª ICD-10 criteria

▪ Dementia severity stages: MMSE: 0-9 severe, 10-17 moderate, ≥ 18 mild dementia

MMSE, GDS, NOSGER, E-ADL,

Not specified

[42]

Diagnostics not performed in the study, but the admission criteria for the living unit were used as inclusion criteria (dementia diagnosis, minimum of care level 2, behavioral problems according to the CMAI, and mobility)

â–ª No information given on the diagnostic procedure of the existing diagnosis

DSS

Professional nursing staff, training of raters is not specified

[43]

[44]

Dementia diagnosis was derived from the interRAI LTCF assessment in the records

â–ª No information given on the diagnostic procedure of the existing diagnosis

InterRAI (LTCF)

Not specified

[45]

Residents with a medical diagnosis of dementia were included.

â–ª No information given on the diagnostic procedure of the existing diagnosis

GDS

Measures were assessed by nurses.

[46]

Residents with a medical diagnosis of dementia were included.

â–ª Assessment of the dementia type according to the ICD-10 classification (as recorded)

â–ª Assessment of dementia severity according to the German guideline for dementia and recommended MMSE cutoff values (0-9 severe, 10-19 moderate, 20-26 mild)

MMSE

Not specified.

  1. DSS Dementia Screening Scale, E-ADL Erlangen Activities of Daily Living, GDS Global Deterioration Scale, interRAI LTCF international Resident Assessment Instrument Long Term Care Facility, MMSE Mini Mental State Examination, NOSGER Nurses’ Observation Scale