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Analysis of the quality of hospital information systems audit trails

Title
Analysis of the quality of hospital information systems audit trails
Type
Article in International Scientific Journal
Year
2013
Authors
Ricardo Cruz Correia
(Author)
FMUP
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Isabel Boldt
(Author)
Other
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Catia Santos Pereira
(Author)
Other
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Ana Margarida Ferreira
(Author)
FMUP
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Alberto Freitas
(Author)
FMUP
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Journal
Vol. 13
Final page: 84
ISSN: 1472-6947
Publisher: Springer Nature
Scientific classification
FOS: Medical and Health sciences > Health sciences
Other information
Authenticus ID: P-006-89G
Abstract (EN): Background: Audit Trails (AT) are fundamental to information security in order to guarantee access traceability but can also be used to improve Health information System's (HIS) quality namely to assess how they are used or misused. This paper aims at analysing the existence and quality of AT, describing scenarios in hospitals and making some recommendations to improve the quality of information. Methods: The responsibles of HIS for eight Portuguese hospitals were contacted in order to arrange an interview about the importance of AT and to collect audit trail data from their HIS. Five institutions agreed to participate in this study; four of them accepted to be interviewed, and four sent AT data. The interviews were performed in 2011 and audit trail data sent in 2011 and 2012. Each AT was evaluated and compared in relation to data quality standards, namely for completeness, comprehensibility, traceability among others. Only one of the AT had enough information for us to apply a consistency evaluation by modelling user behaviour. Results: The interviewees in these hospitals only knew a few AT (average of 1 AT per hospital in an estimate of 21 existing HIS), although they all recognize some advantages of analysing AT. Four hospitals sent a total of 7 AT - 2 from Radiology Information System (RIS), 2 from Picture Archiving and Communication System (PACS), 3 from Patient Records. Three of the AT were understandable and three of the AT were complete. The AT from the patient records are better structured and more complete than the RIS/PACS. Conclusions: Existing AT do not have enough quality to guarantee traceability or be used in HIS improvement. Its quality reflects the importance given to them by the CIO of healthcare institutions. Existing standards (e.g. ASTM: E2147, ISO/TS 18308: 2004, ISO/IEC 27001: 2006) are still not broadly used in Portugal.
Language: English
Type (Professor's evaluation): Scientific
No. of pages: 10
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