Table 1.

Information on the healthcare needs of long-term invasively ventilated (LTIV) patients: generally eligible German databases and availability of basic data

Care setting	Inpatient healthcare		Outpatient healthcare			Cross-sectoral
Database	Hospital statistics: basic data	DRG statistics	No eligible database on medical care	KG 2 statistics: nursing care (SGB V)	Nursing care statistics (SGB XI, user data)	Health insurance* claims data
Specific identifier
LTIV/nursing care acc. to §37(2) SGB V	–	+ (LTIV cases, available from 2017)	–	–	–	(+) (LTIV and/or nursing care individual data)
Morbidity
Main/secondary diagnoses	n.a.	+/+	n.a.	n.a.	n.a.	+/+
Interventions	n.a.	+ (hospital only)	n.a.	n.a.	n.a.	+ (cross-sectoral)
Demographic characteristics
Age/sex	n.a.	+/+	n.a.	n.a.	n.a.	+/+
Spatial reference	n.a.	Place of residence/treatment	n.a.	n.a.	n.a.	Place of residence
Metadata characteristics
Source	Hospitals, prevention and rehabilitation facilities	Federal hospital reimbursement data	n.a.	Health insurance data	Long-term care insurance	Insuree and reimbursement data
Type of assessment	Official primary statistics	Official secondary statistics	n.a.	Official secondary statistics	Official secondary statistics	Insurance/reimbursement data
Type of inventory	Complete	Complete	n.a.	Complete	Complete	n.a.
Spatial reference	Local	Postal code/place of residence	n.a.	Regional	Local	Postal code/place of residence
Periodicity	Annual (since 1990)	Annual (since 2005)	n.a.	Annual (since 2008)	Biannual (since 1999)	Continuous (at least quarterly)
Access	Federal research data center	Federal research data center	n.a.	Limited	Federal research data center	Limited

n.a.: not applicable due to missing identifier; + = data available; (+) = limited data availability; − = no data available; * = data availability variable between different insurers