Linking Australian Stroke Clinical Registry data with Australian government Medicare and medication dispensing claims data and the potential for bias
Nadine E Andrew, Dominique A Cadilhac, Vijaya Sundararajan, Amanda G Thrift, Phil Anderson, Natasha A Lannin, Monique F Kilkenny
AUSTRALIAN AND NEW ZEALAND JOURNAL OF PUBLIC HEALTH | WILEY | Published : 2021
OBJECTIVE: We aim to report the accuracy of linking data from a non-government-held clinical quality registry to national claims data and identify associated sources of systematic bias. METHODS: Patients with stroke or transient ischaemic attack admitted to hospitals participating in the Australian Stroke Clinical Registry (AuSCR) were linked with Medicare and medication dispensings through the Australian Medicare enrolment file (MEF). The proportion of registrants in the datasets was calculated and factors associated with a non-merge assessed using multivariable analyses. RESULTS: A total of 17,980 AuSCR registrants (January 2010 - July 2014) were submitted for linkage (median age 76 years;..View full abstract
Awarded by NHMRC
Awarded by Heart Foundation
The AuSCR received funding from a range of government, nongovernment, and industry sources. The following authors receive research fellowship support: Professors Thrift (NHMRC:1042600), Lannin (Heart Foundation: 1112158) and Cadilhac (co-funded Heart Foundation and NHMRC: 1154273); Associate Professors Andrew (NHMRC: 1072053) and Kilkenny (NHMRC: 1109426).