Research on Patient Privacy Protection by Data Disturbance Method: K-D Tree Algorithm

Author(s):  
Chen-sha Wang ◽  
Zhi-hong Liu ◽  
Xin-fei Ma ◽  
Yun-fei Cheng
2019 ◽  
Vol 27 (3) ◽  
pp. 366-375
Author(s):  
Luca Bonomi ◽  
Xiaoqian Jiang ◽  
Lucila Ohno-Machado

Abstract Objective Survival analysis is the cornerstone of many healthcare applications in which the “survival” probability (eg, time free from a certain disease, time to death) of a group of patients is computed to guide clinical decisions. It is widely used in biomedical research and healthcare applications. However, frequent sharing of exact survival curves may reveal information about the individual patients, as an adversary may infer the presence of a person of interest as a participant of a study or of a particular group. Therefore, it is imperative to develop methods to protect patient privacy in survival analysis. Materials and Methods We develop a framework based on the formal model of differential privacy, which provides provable privacy protection against a knowledgeable adversary. We show the performance of privacy-protecting solutions for the widely used Kaplan-Meier nonparametric survival model. Results We empirically evaluated the usefulness of our privacy-protecting framework and the reduced privacy risk for a popular epidemiology dataset and a synthetic dataset. Results show that our methods significantly reduce the privacy risk when compared with their nonprivate counterparts, while retaining the utility of the survival curves. Discussion The proposed framework demonstrates the feasibility of conducting privacy-protecting survival analyses. We discuss future research directions to further enhance the usefulness of our proposed solutions in biomedical research applications. Conclusion The results suggest that our proposed privacy-protection methods provide strong privacy protections while preserving the usefulness of survival analyses.


Healthcare ◽  
2021 ◽  
Vol 9 (10) ◽  
pp. 1364
Author(s):  
Hyun-Kyeong Park ◽  
Yeo-Won Jeong

In recent times, as the healthcare system becomes more informational, the importance of patient privacy protection increases, making it necessary to identify factors that affect the perception of patient privacy protection. This study aimed to evaluate the relationship between nursing professionalism and the perception of patient privacy protection and the mediating role of nursing informatics competency. The study recruited 242 nursing students who had experienced dealing with patient information during clinical practice. The mediating model using the Hayes’ PROCESS macro (Model 4) was employed to test the study hypothesis. Nursing professionalism was found to be positively and significantly associated with the perception of patient privacy protection (β = 0.09, p = 0.021) with the mediation of nursing informatics (β = 0.18, p < 0.001). Our findings showed that nursing professionalism and nursing informatics competency determined the perception of patient privacy protection. The mediating role of nursing informatics competency implies that curricula designed to enhance nursing informatics competency of nursing students may increase their perception of patient privacy protection.


2017 ◽  
Vol 35 (5_suppl) ◽  
pp. 192-192
Author(s):  
Tasneem Kaleem ◽  
Daniel Miller ◽  
Maresciel Yanez ◽  
Steven J. Buskirk

192 Background: Patient privacy is of the utmost importance for the emotional needs of a cancer patient and their family. As an effort to improve privacy, quality, and coordination of care within our Radiation Oncology department, in 2016 a patient pager system was devised to inform patients to prepare for daily treatment rather than verbally call the patient's name in waiting rooms. Methods: During June 2016, patients undergoing daily radiation therapy participated in a six-question survey addressing various aspects of the paging service, privacy prior to pager use, and demographics. Six radiation therapists also participated in a 7-question survey addressing privacy and workflow. Participants rated their experience on a scale of 1 to 5 (1 being poor, 5 being excellent). Surveys were collected and retrospectively reviewed. Results: 42 patients completed the survey. Patients rated "Very Good" to "Excellent" for the following categories: “Paging system more convenient than being called”(4.6), “Protection of privacy”(4.6), “Easiness”(4.7) and whether “Pager should be utilized for all appointments” (4.3). Patients rated “Patient privacy when name is called” as "Good" to "Very Good" (3.7). Seven patients also underwent therapy prior to pager implementation and rated the new system in comparison as "Very Good" to "Excellent" for “Privacy protection”(4.6), “Efficiency” (4.6), and “Satisfaction” (4.6). Only 24 filled out demographic information. Of the 24 patients, 54% of patients were female, 87% were above the age of 50, and all patients were receiving at least 10 treatments. Staff rated "Fair" to "Very Good" for “More preparation time” (2.8), “Patient use difficulty”(3.2), “Patient positive feedback”(2.3), “Receiving patients” (2.2) and “Workflow” (2). However, “Patient privacy” was rated as "Very Good" to "Excellent" (4.2). Conclusions: Overall, patients and staff highly rated the paging system for protecting privacy in the waiting room. Patients who experienced waiting room procedure prior to pager implementation display greater satisfaction with a paging system. However, it did not change overall workflow. Our study shows clinics should prioritize patient privacy in the waiting room to improve the emotional needs of the patient.


2014 ◽  
Vol 2014 ◽  
pp. 1-5 ◽  
Author(s):  
Soon Seok Kim ◽  
Yong Hee Lee ◽  
Jong Mo Kim ◽  
Deok Seok Seo ◽  
Gwang Hee Kim ◽  
...  

This paper proposes a new method for protecting patient privacy when communicating with a gateway which collects bioinformation through using personal health devices, a type of biosensor for telemedicine, at home and in other buildings. As the suggested method is designed to conform with ISO/IEEE 11073-20601, which is the international standard, interoperability with various health devices was considered. We believe it will be a highly valuable resource for dealing with basic data because it suggests an additional standard for security with the Continua Health Alliance or related international groups in the future.


2016 ◽  
Vol 24 (5) ◽  
pp. 598-611 ◽  
Author(s):  
Kyunghee Kim ◽  
Yonghee Han ◽  
Ji-su Kim

Background: With increased attention to patient privacy and autonomy, privacy protection and information provision for patients are becoming increasingly important. Objectives: The aim of this study was to identify and analyse nurses’ and patients’ perceptions of the importance and performance of protecting patients’ privacy and providing them with relevant information. Research design: This study is a descriptive cross-sectional investigation. Participants and research context: Participants were 168 patients hospitalised in medical and surgical wards and 176 nurses who cared for them. Ethical consideration: This study was approved by the Chung-Ang University Bioethics Committee, and informed written consent was collected from all participants. Findings: Nurses’ recognition of the importance of protecting patients’ privacy and providing adequate information was higher compared to their actual performance, and the nurses’ level of performance was higher in comparison with the patients’ recognition of its importance. Discussion: Although a holistic approach to patient privacy protection and information provision is needed, the medical field has not embraced this model of care. Conclusions: These findings provide empirical data to create an ethical environment for the future, as considerable attention has been devoted to patients’ rights and medical institutions’ liability for providing explanations to patients.


2020 ◽  
Vol 49 (1) ◽  
pp. 4-30
Author(s):  
Rebecca Yoke Chan Ong ◽  
Sandy Sabapathy

While it is true that the expanded use of health information and electronic health records (eHRs) can help deliver better healthcare, there remains the need to reconcile citizens’ legitimate concerns for privacy protection and confidentiality in the use of their personal health data, and the potential for violation of their privacy. Under the Hong Kong’s Electronic Health Record Sharing System (eHRSS), the eHR of the individual patient can be accessed and shared between healthcare providers for healthcare-related purposes. Although the Electronic Health Record Sharing System Ordinance (Cap 625) (the ‘eHRSSO’) and the Personal Data (Privacy) Ordinance (Cap 486) (the ‘PD(P)O’) provide protection for personal data and patients’ privacy, the eHRSS has come under greater scrutiny given the rise in data breaches experienced globally and in Hong Kong. The article’s objective is twofold. It first examines the eHRSS specifically with regard to some of the more pertinent provisions of the eHRSSO and the PD(P)O, to critically evaluate the extent to which these provisions ensure and protect patient privacy. Thence it offers suggestions and recommendations as to how protection for patient privacy can be enhanced and, indeed, altogether better ensured.


2018 ◽  
Vol 25 (10) ◽  
pp. 1402-1406 ◽  
Author(s):  
Daniel M Goldenholz ◽  
Shira R Goldenholz ◽  
Kaarkuzhali B Krishnamurthy ◽  
John Halamka ◽  
Barbara Karp ◽  
...  

Abstract Location data are becoming easier to obtain and are now bundled with other metadata in a variety of biomedical research applications. At the same time, the level of sophistication required to protect patient privacy is also increasing. In this article, we provide guidance for institutional review boards (IRBs) to make informed decisions about privacy protections in protocols involving location data. We provide an overview of some of the major categories of technical algorithms and medical–legal tools at the disposal of investigators, as well as the shortcomings of each. Although there is no “one size fits all” approach to privacy protection, this article attempts to describe a set of practical considerations that can be used by investigators, journal editors, and IRBs.


2018 ◽  
Vol 23 (2) ◽  
pp. 149-159 ◽  
Author(s):  
David Birnbaum ◽  
Kathryn Gretsinger ◽  
Marcy G. Antonio ◽  
Elizabeth Loewen ◽  
Paulette Lacroix

Purpose Expanding networks of data portals and repositories linked to electronic patient record systems, along with advances in information technology, have created both new opportunities in improving public health and new challenges in protecting patient privacy. The purpose of this paper is to review stakeholder perspectives and provide a framework for promoting implementation of current privacy protection improvement recommendations. Design/methodology/approach This paper summarizes a workshop session discussion stemming from the 2017 Information Technology and Communication in Health (ITCH) biennial international conference in Victoria, British Columbia, Canada. The perspectives within health service research, journalism, informatics and privacy protection were represented. Findings Problems underlying gaps in privacy protection in the USA and Canada, along with then-current changes recommended by public health leaders as well as Information and Privacy Commissioners, were identified in a session of the 2015 ITCH conference. During the 2017 conference, a workshop outlined the current situation, identifying ongoing challenges and a lack of significant progress. This paper summarizes that 2017 discussion identifying political climate as the major impediment to progress on this issue. It concludes with a framework to guide the path forward. Originality/value This paper provides an international perspective to problems, resources and solution pathways with links useful to readers in all countries.


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