| itemguid | varchar | Unique identifier for the audited item (the specific record accessed or modified). Part of the composite primary key. | {K1L2M3N4-O5P6-7890-QRST-901234567890} | 38 | False |
| patientguid | varchar | References the patient whose record was involved. | {F6A7B8C9-D0E1-2345-FABC-456789012345} | 38 | False |
| organisationguid | varchar | References the practice where the event occurred. | {C3D4E5F6-A7B8-9012-CDEF-123456789012} | 38 | False |
| modifieddate | date | The date the audit event was recorded. | 2025-01-20 | 3 | False |
| modifiedtime | time | The time the audit event was recorded. | 11:00:00 | 5 | False |
| userinroleguid | varchar | References the staff member who performed the action. | {G7H8I9J0-K1L2-3456-MNOP-567890123456} | 38 | True |
| itemtype | varchar | The type of clinical item that was accessed or modified (e.g., Consultation, Observation, Prescription). | Drug Issue | 200 | False |
| modetype | varchar | The type of action performed (e.g., Read, Write, Delete). | Delete | 100 | False |