visit_start_date

SUS OP VisitOccurrenceWithSpell

Source column VisitStartDate. Converts text to dates.

• VisitStartDate Start date of the episode. START DATE (EPISODE)

with results as
(
	select
		distinct
			op.NHSNumber,
			op.SUSgeneratedspellID,
			coalesce(op.AppointmentDate, op.CDSActivityDate) as VisitStartDate,  -- visit_start_date
			coalesce(op.AppointmentTime, '000000') as VisitStartTime,  -- visit_start_time
			coalesce(op.AppointmentDate, op.CDSActivityDate) as VisitEndDate,
			null as VisitEndTime
	from omop_staging.sus_OP op
	where op.UpdateType = 9
		and op.NHSNumber is not null
		and AttendedorDidNotAttend in ('5','6')
)
select *
from results
order by 
	NHSNumber,
	SUSgeneratedspellID,
	VisitStartDate, 
	VisitStartTime,
	VisitEndDate,
	VisitEndTime
	

Comment or raise an issue for this mapping.

SUS APC VisitOccurrenceWithSpell

Source column VisitStartDate. Converts text to dates.

• VisitStartDate Start date of the episode. START DATE (EPISODE)

	with records as (
		select
			max(apc.NHSNumber) as NHSNumber,
			apc.HospitalProviderSpellNumber,
	
			coalesce(min(apc.StartDateConsultantEpisode), min(apc.StartDateHospitalProviderSpell), min(apc.CDSActivityDate)) as VisitStartDate,
			coalesce(min(apc.StartTimeEpisode), min(apc.StartTimeHospitalProviderSpell), '000000') as VisitStartTime,
			coalesce(max(apc.EndDateConsultantEpisode), max(apc.DischargeDateFromHospitalProviderSpell), max(apc.CDSActivityDate)) as VisitEndDate,
			coalesce(max(apc.EndTimeEpisode), max(apc.DischargeTimeHospitalProviderSpell), '000000') as VisitEndTime,
	
			max(apc.SourceOfAdmissionHospitalProviderSpell) as SourceofAdmissionCode,
			max(apc.DischargeDestinationHospitalProviderSpell) as DischargeDestinationCode
	
		from omop_staging.sus_APC apc
		where apc.NHSNumber is not null
		group by HospitalProviderSpellNumber
	)
	select *
	from records
	order by 
		NHSNumber, 
		HospitalProviderSpellNumber, 
		VisitStartDate, 
		VisitStartTime, 
		VisitEndDate, 
		VisitEndTime, 
		SourceofAdmissionCode, 
		DischargeDestinationCode

	

Comment or raise an issue for this mapping.

SUS AE VisitOccurrenceWithSpell

Source column VisitStartDate. Converts text to dates.

• VisitStartDate Start date of the episode. START DATE (EPISODE)

		with records as (
			select  
				distinct
					ae.NHSNumber,
					ae.AEAttendanceNumber,
					coalesce(ae.ArrivalDate, ae.CDSActivityDate) as VisitStartDate,
					coalesce(ae.ArrivalTime, '000000') as VisitStartTime,
					coalesce(ae.AEDepartureDate, ae.AEAttendanceConclusionDate, ae.ArrivalDate, ae.CDSActivityDate) as VisitEndDate,
					coalesce(ae.AEDepartureTime, ae.AEAttendanceConclusionTime, '000000') as VisitEndTime,
					ae.AEArrivalMode as SourceofAdmissionCode,
					ae.AEAttendanceDisposal as DischargeDestinationCode
			from omop_staging.sus_AE ae
			where ae.NHSNumber is not null
		)
		select *
		from records
		order by 
			NHSNumber, 
			AEAttendanceNumber, 
			VisitStartDate, 
			VisitStartTime, 
			VisitEndDate, 
			VisitEndTime, 
			SourceofAdmissionCode, 
			DischargeDestinationCode

	

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Oxford Visit Occurrence

Source column EventDate. Converts text to dates.

• EventDate Event date

select
	GPEventsPrimaryKey,
	d.NHSNumber,
	e.EventDate
from omop_staging.oxford_gp_event e
	inner join omop_staging.oxford_gp_demographic d
		on e.PatientIdentifier = d.PatientIdentifier
order by
	d.NHSNumber,
	e.EventDate

Comment or raise an issue for this mapping.