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Table name: visit_occurrence

Reading from baseline

One person can have up to 4 visits (labeled 0-3). Follow-up online or to assessment center.

Destination Field Source field Logic Comment field  
visit_occurrence_id eid
instance
Concatenate 1, eid and instance    
person_id eid      
visit_concept_id     44818519 - Clinical Study visit  
visit_start_date 53-.0 Field 53-0.0 -> date of initial assessment visit Field 53-1.0 -> date of repeat assessment visit Field 53-2.0 -> date of first imaging visit Field 53-3.0 -> date of second imaging visit Capture different record for each instance
 
visit_start_datetime 53-.0 Same as mapping to visit_start_date    
visit_end_date 53-.0 Same as mapping to visit_start_date    
visit_end_datetime 53-.0 Same as mapping to visit_start_date    
visit_type_concept_id   32883 - Survey    
provider_id        
care_site_id 54-.0 If field 54-.0 is NaN set to 0    
visit_source_value        
visit_source_concept_id        
admitting_source_concept_id        
admitting_source_value        
discharge_to_concept_id        
discharge_to_source_value        
preceding_visit_occurrence_id        
record_source_value   ‘baseline-    
data_source   ‘baseline’    

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