AHON-database - Het Academisch Huisarts Ontwikkel Netwerk

As per the 1st of July 2024, the AHON-database contains information on provided health care of a little more than 600 thousand patients; approximately 391 thousand of whom were still registered at that date. Data come from about 90 participating general practices, and that number is still growing.

Our longitudinal database is used as the main cohort. Tailor-made datasets are prepared based on the research questions. In some cases, existing datasets can be reused for new research questions. Contact [email protected] to discuss possibilities of re-using existing datasets.

Please visit the UMCG Research Data Catalogue and AHON Data Resource Profile for more detailed information on our data and samples. 

Relevant data registered in the Health Information Systems (HIS) at the affiliated general practices on provided health care are included in the AHON-database.

The following details are typically available:

• morbidity, including presenting complaints, symptoms, and diagnoses, encoded according to the International Classification of Primary Care (ICPC);
• medication prescriptions, encoded according to the Anatomical Therapeutic Chemical (ATC) classification;
• medical investigations, including diagnostic, biometric, and laboratory results;
• referrals to other health care providers (e.g. secondary care.

• UMCG Department of Primary and Long-term Care 

• Data Resource Profile: Registry of electronic health records of general practices in the north of The Netherlands (AHON) | International Journal of Epidemiology | Oxford Academic (oup.com)
• The Impact of the COVID Pandemic on the Incidence of Presentations with Cancer-Related Symptoms in Primary Care - PMC (nih.gov)
• A Natural Language Processing Model for COVID-19 Detection Based on Dutch General Practice Electronic Health Records by Using Bidirectional Encoder Representations From Transformers: Development and Validation Study - PubMed (nih.gov)
• AHON | UMCG Data catalogue | Publications