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Naslov:Outsourcing medical data analyses : can technology overcome legal, privacy and confidentiality issues?
Avtorji:Brumen, Boštjan (Avtor)
Heričko, Marjan (Avtor)
Sevčnikar, Andrej (Avtor)
Završnik, Jernej (Avtor)
Hölbl, Marko (Avtor)
Datoteke:.pdf Journal_of_Medical_Internet_Research_2013_Brumen_et_al._Outsourcing_Medical_Data_Analyses_Can_Technology_Overcome_Legal,_Privacy,_and_Co.pdf (3,34 MB)
 
URL http://www.jmir.org/2013/12/e283/
 
Jezik:Angleški jezik
Vrsta gradiva:Znanstveno delo (r2)
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FERI - Fakulteta za elektrotehniko, računalništvo in informatiko
Opis:Background: Medical data are gold mines for deriving the knowledge that could change the course of a single patient’s life or even the health of the entire population. A data analyst needs to have full access to relevant data, but full access may be denied by privacy and confidentiality of medical data legal regulations, especially when the data analyst is not affiliated with the data owner. Objective: Our first objective was to analyze the privacy and confidentiality issues and the associated regulations pertaining to medical data, and to identify technologies to properly address these issues. Our second objective was to develop a procedure to protect medical data in such a way that the outsourced analyst would be capable of doing analyses on protected data and the results would be comparable, if not the same, as if they had been done on the original data. Specifically, our hypothesis was there would not be a difference between the outsourced decision trees built on encrypted data and the ones built on original data. Methods: Using formal definitions, we developed an algorithm to protect medical data for outsourced analyses. The algorithm was applied to publicly available datasets (N=30) from the medical and life sciences fields. The analyses were performed on the original and the protected datasets and the results of the analyses were compared. Bootstrapped paired t tests for 2 dependent samples were used to test whether the mean differences in size, number of leaves, and the accuracy of the original and the encrypted decision trees were significantly different. Results: The decision trees built on encrypted data were virtually the same as those built on original data. Out of 30 datasets, 100% of the trees had identical accuracy. The size of a tree and the number of leaves was different only once (1/30, 3%, P=.19). Conclusions: The proposed algorithm encrypts a file with plain text medical data into an encrypted file with the data protected in such a way that external data analyses are still possible. The results show that the results of analyses on original and on protected data are identical or comparably similar. The approach addresses the privacy and confidentiality issues that arise with medical data and is adherent to strict legal rules in the United States and Europe regarding the processing of the medical data.
Ključne besede:medical data, disclosure control, medical confidentiality, data analysis, data security
Leto izida:2013
Št. strani:str. 1-18
Številčenje:št. 12, Letn. 15
ISSN:1438-8871
UDK:61:004.6
COBISS_ID:16928790 Povezava se odpre v novem oknu
DOI:10.2196/jmir.2471 Povezava se odpre v novem oknu
ISSN pri članku:1438-8871
NUK URN:URN:SI:UM:DK:WM9HK96V
Licenca:CC BY 4.0
To delo je dosegljivo pod licenco Creative Commons Priznanje avtorstva 4.0 Mednarodna
Število ogledov:547
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Gradivo je del revije

Naslov:Journal of Medical Internet Research
Skrajšan naslov:JMIR, J. Med. Internet Res.
Založnik:JMIR Publications
ISSN:1438-8871
COBISS.SI-ID:2406629 Novo okno

Sekundarni jezik

Jezik:Slovenski jezik
Ključne besede:medicinski podatki, kontrola, zaupanje v medicino, analiza podatkov, varnost podatkov


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