The largest validated real-world dataset of 6.3 million NHS patient records, analysed by our proprietary AI for unique patient insights.
Through close collaboration between the Akrivia Health team and leading NHS partners, we have created the world’s most comprehensive real-world dataset dedicated to mental health and dementia.
- The largest validated real-world dataset
- 6.3 million NHS patient records
- 20+ NHS Trusts
- Structured & unstructured Electronic Health Records (EHRs)
- Longitudinal, Evergreen and Recontactable
- Alzheimer’s, Bipolar, Major Depressive Disorder (MDD), Dementia, Schizophrenia, Neurodevelopment Disorders
Patient Count- Mental Health
Patient Count- Neurological Conditions
Information Governance
Information Governance: Protecting Privacy, Ensuring Trust
At Akrivia Health, we work closely with our healthcare partners to safeguard patient data through advanced technology, strict processes and robust organisational controls.
- De-identified data – all personal information is removed to protect individual privacy
- Secure, structured datasets – analysis outputs are provided only in aggregated form
- Highest security standards – data stored in UK-based ISO 27001 certified centres, with regular external audits and security testing
Our commitment: ethical, secure, and compliant data use you can trust.
Akrivia Data Dictionary
An overview of the dataset, including definitions, variables, and the data model. The accompanying Signs & Symptoms annex expands on clinically relevant concepts extracted from patient records, supporting deeper insight and analysis.
What’s Inside the Data
- Structured data: Demographics, diagnoses, care pathways
- Unstructured insights: Extracted from clinical notes using bespoke NLP models (medications, symptoms, disease trajectories)
- Privacy-first: Fully anonymised, harmonised across multiple IT systems
Akrivia Data Vs HES Vs CPRD
| Feature | Akrivia | CPRD | HES |
|---|---|---|---|
| Source | Mental health EHRs (20 NHS Trusts) | GP records | Hospital data (England) |
| Coverage | 6.3M mental health patients (40% of in-care pop.) OPC linkage with 600,000 patients | -20% UK population | All NHS hospital activity |
| Data | Structured + NLP from free text (symptoms, notes) | Structured, coded (Read/SNOMED) | Structured, coded (ICD-10, OPCS) |
| Strengths | Deep psychiatric data, symptom- level detail (400+), social factors, linkage (primary care, costs, deprivation), rapid access, expert clinical input | Large, nationally representative primary care, linked to HES & mortality | Complete national hospital dataset with admissions, procedures, LOS, costs |
