device_exposure_start_date

SUS CCMDS Device Exposure

Source column DeviceExposureStartDate. Converts text to dates.

• DeviceExposureStartDate Start date of the Device CRITICAL CARE START DATE

		select distinct
				apc.NHSNumber,
				apc.HospitalProviderSpellNumber,
				cc.CriticalCareStartDate as DeviceExposureStartDate,
				coalesce(cc.CriticalCareStartTime, '00:00:00') as DeviceExposureStartTime,
				coalesce(cc.CriticalCarePeriodDischargeDate, cc.EventDate) as DeviceExposureEndDate,
				coalesce(cc.CriticalCarePeriodDischargeTime, '00:00:00') as DeviceExposureEndTime,
				d.CriticalCareActivityCode as CriticalCareActivityCode
		from omop_staging.sus_CCMDS_CriticalCareActivityCode d
		inner join omop_staging.sus_CCMDS cc on d.MessageId = cc.MessageId
		inner join omop_staging.sus_APC apc on cc.GeneratedRecordID = apc.GeneratedRecordIdentifier
		where apc.NHSNumber is not null
		and d.CriticalCareActivityCode not in('3','4','6','8','10','12','15','21','22','23','24','25','27','28','29','50','57','58','64','65','66','67','68','69','70','71','72','74','82','83','87','99')

	

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SUS AE Device Exposure

Source column StartDate. Converts text to dates.

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

	select
		ae.AEAttendanceNumber,
		ae.NHSNumber,
		coalesce(ae.ArrivalDate, ae.CDSActivityDate) as StartDate,
		coalesce(ae.ArrivalTime, '000000') as StartTime,
		coalesce(ae.AEDepartureDate, ae.AEAttendanceConclusionDate) as EndDate,
		coalesce(ae.AEDepartureTime, ae.AEAttendanceConclusionTime, '000000') as EndTime,
		i.AccidentAndEmergencyInvestigation
	from omop_staging.sus_AE_investigation i
		inner join omop_staging.sus_AE ae
			on i.MessageId = ae.MessageId
	where ae.NHSNumber is not null
	and i.AccidentAndEmergencyInvestigation in ('01', '02', '08', '09', '10', '11', '12', '19')
	

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