Dementia assessment – mandatory registration with clinical benefit

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    An important goal of the Norwegian Registry of Persons Assessed for Cognitive Symptoms (NorCog) is to serve as a resource with direct practical value for clinicians.

    Since 2013, the register has had the status of a national quality register. The purpose is to ensure that assessment, treatment and follow-up are of high quality, nationally harmonised and in accordance with the national clinical guidelines for dementia.

    Need for increased coverage

    Need for increased coverage

    According to the Health Register Act (1) and the Regulation on Medical Quality Registers (2), it is mandatory to register patients in national quality registers. This means that all outpatient clinics in the specialist health service that assess cognitive impairment and dementia are required to register patients in NorCog. Currently, patients from 46 geriatric, old-age psychiatry and memory clinics are included (3).

    For data to be representative and results to be generalisable, the coverage rate of a register should be at least 80 %, whereas the coverage rate of NorCog was 70 % in 2024. Several measures have been implemented to increase coverage. In 2024, the register transitioned from a consent-based to an opt-out model, and from 2025 a data-sharing function was developed to enable the sharing of data with the Quality Register in Old Age Psychiatry (KVALAP).

    Our goal is for centres that currently submit data to include all eligible patients, for non-participating centres to join, and for neurological outpatient clinics to start including patients in the register.

    Simple and useful registration

    Simple and useful registration

    Clinicians continuously register data digitally via the registration solution. This involves some additional work but enables real-time registration, allowing updated data to be presented at any time. The variables cover demographics, informant-reported information on everyday functioning and neuropsychiatric symptoms, somatic health information, patient-reported outcome measures (PROMs), cognitive test results, supplementary diagnostic procedures performed, and information on further follow-up. Registration takes 3–5 minutes. A questionnaire on patient-reported experience measures (PREMs) is automatically sent after the assessment. Follow-up data are registered during clinical follow-up visits.

    In recent years, NorCog has focused on making registration simpler, faster and useful in clinical practice. The number of mandatory variables has been reduced. Automatic calculation of z-scores supports the evaluation of cognitive test results, and the generation of text that can be copied directly into the medical record results in time savings.

    What lies ahead?

    What lies ahead?

    Within the medical community, there is considerable anticipation regarding new disease-modifying medications for Alzheimer's disease. The register has developed a medication module that can be rapidly implemented if new drugs requiring careful monitoring of effects and adverse events become available in Norway.

    Patient experience data indicate that patients are generally satisfied with the assessment but less satisfied with the information provided about the diagnosis and treatment options. A solution for automatic extraction of data for patient information letters is under development.

    In addition to contributing to improved quality and services for patients, the register provides access to large volumes of data from clinical practice that can be used for research. To date, this has resulted in 152 scientific articles.

    Further development of the register as a useful tool for clinicians, and ensuring inclusion of eligible patients, requires close dialogue with medical communities. However, support from local management is essential; without this, there is a risk of incomplete or random registration, which weakens coverage, data quality and the overall usefulness of the register.

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