tblOVERLAP - Cross-cohort identification
holds information on the patient's participation in other cohorts
    
    
        
        
		
			
				| 
				 | 
				| 
					Core FieldsNote: Fields marked bold form the unique identifier for a record of the table. | 
				| 
					Field name Format Descriptioncharacter (or numeric if possible) Code to identify patient (Cohort Patient ID) | 
				| 
					character Code/name of the cohort | 
				| 
					character Unique patient identifier in other cohorts | 
				| 
					character Name of the cohort | 
		
	 
        
     
    
        
        QA Checks
        
        
		
			
				| Table | Crosstable | Error Code | Description | Study specific | HICDEP? | 
				| AllTables | CrossTable | ATC001 | any date in database after DEATH_D in tblLTFU |  | Yes | 
				| AllTables | CrossTable | ATC002 | any date in database after DROP_D in tblLTFU |  | Yes | 
				| AllTables | CrossTable | ATC003 | any date in database before BIRTH_D in tblBAS |  | Yes | 
				| AllTables | CrossTable | ATC004 | any date in database in the future |  | Yes | 
				| AllTables | CrossTable | ATC005 | patients submitted previously who have been missed out |  | Yes | 
				| AllTables | CrossTable | ATC006 | Any fields not coded as coding lists on table definition |  | Yes | 
				| tblOVERLAP | WithinTable | OW001 | Invalid other cohort |  | Yes | 
				| tblOVERLAP | CrossTable | OC001 | PATIENT not found in tblBAS for that cohort |  | Yes | 
				| tblOVERLAP | CrossTable | OC002 | PAT_OTH not found in tblBAS for that overlapping cohort |  | Yes |