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Clowson
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Healthcare Semantic Model

Hello all, 

 

I have been having some difficulty trying make the most efficient semantic model I can for my report. I'm finding a classic star schema to be challanging due to the content of my data. I'll do my best to summarize the organization of the data, in hope it can generate some ideas. 

 

General list of tables:

Person_MRN (MRN as PK and Person_ID as FK)

Person (Person_id as PK and wider table about the person)

Condition_occurrence (features Person_ID, Visit_occurrence_id, diagnosis vist info)

procedure_occurrence (features Person_ID, Visit_occurrence_id,  procedural vist info)

visit_occurrence (visit_occurrence_id as PK and care_site_id as FK)

care_site (Care_site_id as PK)

 

The design of my report is just to identify the distinct count of MRN with a filter selected condition and/or procedure, and the care site breakdown of those meeting the filter requirments. 

 

I am asking to map MRN -> condition_occurrence.person_id -> visit_occurrence.visit_occurrence_id -> Care_site.care_site_name

but I also need MRN -> procedure_occurrence.person_id -> visit_occurrence.visit_occurrence_id -> Care_site.care_site_name

 

since patients have more than one condition and/or procedure, I have to map through the  visit_occurrence_ID's in order to capture the unique visits. There could even be a case where a distinct MRN with a distinct procedure was seen at more than one care site. 

 

I tried to make views to coalesce the information, but I haven't found the perfect fit yet. Any thoughts are appreciated!

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