Example (synthetic) electronic health record data

These data are modelled using the OMOP Common Data Model v5.3.

Correlated Data Source

1. NG tube vocabularies

Generation Rules

• The patient’s age should be between 18 and 100 at the moment of the visit.
• Ethnicity data is using 2021 census data in England and Wales (Census in England and Wales 2021) .
• Gender is equally distributed between Male and Female (50% each).
• Every person in the record has a link in procedure_occurrence with the concept “Checking the position of nasogastric tube using X-ray”
• 2% of person records have a link in procedure_occurrence with the concept of “Plain chest X-ray”
• 60% of visit_occurrence has visit concept “Inpatient Visit”, while 40% have “Emergency Room Visit”

Notes

• Version 0
• Generated by man-made rule/story generator
• Structural correct, all tables linked with the relationship
• We used national ethnicity data to generate a realistic distribution (see below)

2011 Race Census figure in England and Wales

Ethnic Group : Population(%)

• Asian or Asian British: Bangladeshi - 1.1
• Asian or Asian British: Chinese - 0.7
• Asian or Asian British: Indian - 3.1
• Asian or Asian British: Pakistani - 2.7
• Asian or Asian British: any other Asian background -1.6
• Black or African or Caribbean or Black British: African - 2.5
• Black or African or Caribbean or Black British: Caribbean - 1
• Black or African or Caribbean or Black British: other Black or African or Caribbean background - 0.5
• Mixed multiple ethnic groups: White and Asian - 0.8
• Mixed multiple ethnic groups: White and Black African - 0.4
• Mixed multiple ethnic groups: White and Black Caribbean - 0.9
• Mixed multiple ethnic groups: any other Mixed or multiple ethnic background - 0.8
• White: English or Welsh or Scottish or Northern Irish or British - 74.4
• White: Irish - 0.9
• White: Gypsy or Irish Traveller - 0.1
• White: any other White background - 6.4
• Other ethnic group: any other ethnic group - 1.6
• Other ethnic group: Arab - 0.6