Research Topics
| Khaled El EmamSummaryAffiliation: University of Ottawa Country: Canada Publications
| Collaborators
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Detail Information
Publications
A systematic review of re-identification attacks on health dataKhaled El Emam
Electronic Health Information Laboratory, CHEO Research Institute, Ottawa, Canada
PLoS ONE 6:e28071. 2011....- Two h-index benchmarks for evaluating the publication performance of medical informatics researchersKhaled El Emam
Electronic Health Information Laboratory, Children s Hospital of Eastern Ontario Research Institute, Ottawa, ON, Canada
J Med Internet Res 14:e144. 2012.... - A Protocol for the secure linking of registries for HPV surveillanceKhaled El Emam
Electronic Health Information Laboratory, Children s Hospital of Eastern Ontario Research Institute, Ottawa, Ontario, Canada
PLoS ONE 7:e39915. 2012..The objective of this study was to develop a secure protocol for linking data from different registries and to allow on-going monitoring of HPV vaccine effectiveness... - De-identification methods for open health data: the case of the Heritage Health Prize claims datasetKhaled El Emam
Electronic Health Information Laboratory, CHEO Research Institute Inc, 401 Smyth Road, Ottawa, ON, Canada
J Med Internet Res 14:e33. 2012..The winner will be the team or individual with the most accurate model past a threshold accuracy, and will receive a US $3 million cash prize. HHP began on April 4, 2011, and ends on April 3, 2013... - A survey of quality assurance practices in biomedical open source software projectsGünes Koru
Department of Information Systems, University of Maryland, Baltimore, MD, USA
J Med Internet Res 9:e8. 2007..Open source (OS) software is continuously gaining recognition and use in the biomedical domain, for example, in health informatics and bioinformatics... - A secure protocol for protecting the identity of providers when disclosing data for disease surveillanceKhaled El Emam
Children s Hospital of Eastern Ontario Research Institute, Ottawa, Ontario, Canada
J Am Med Inform Assoc 18:212-7. 2011..Providers have been reluctant to disclose patient data for public-health purposes. Even if patient privacy is ensured, the desire to protect provider confidentiality has been an important driver of this reluctance... - Methods for the de-identification of electronic health records for genomic researchKhaled El Emam
Children s Hospital of Eastern Ontario Research Institute, 401 Smyth Road, Ottawa, Ontario K1J 8L1, Canada
Genome Med 3:25. 2011..Although these methods can protect against the known approaches for re-identification, residual risks and specific challenges for genomic research are also discussed... - Physician privacy concerns when disclosing patient data for public health purposes during a pandemic influenza outbreakKhaled El Emam
CHEO Research Institute, Smyth Road, Ottawa, K1H 8L1, Canada
BMC Public Health 11:454. 2011..Our objective was to understand the privacy barriers which could potentially influence family physicians' reporting of patient-level surveillance data to public health agencies during the Fall 2009 pandemic H1N1 influenza outbreak... - The re-identification risk of Canadians from longitudinal demographicsKhaled El Emam
Children s Hospital of Eastern Ontario Research Institute, 401 Smyth Road, Ottawa, Ontario K1J8L1, Canada
BMC Med Inform Decis Mak 11:46. 2011..Our objective was to estimate the risk of re-identification from the basic cross-sectional and longitudinal demographics of Canadians... - De-identifying a public use microdata file from the Canadian national discharge abstract databaseKhaled El Emam
CHEO Research Institute, 401 Smyth Road, Ottawa, Ontario
BMC Med Inform Decis Mak 11:53. 2011..The objective of this study was to measure the probability of re-identification for records in a PUMF, and to de-identify a national DAD PUMF consisting of 10% of records... - How strong are passwords used to protect personal health information in clinical trials?Khaled El Emam
Children s Hospital of Eastern Ontario Research Institute, Ottawa, ON, Canada
J Med Internet Res 13:e18. 2011..Findings and statements about how securely personal health information is managed in clinical research are mixed... - A method for managing re-identification risk from small geographic areas in CanadaKhaled El Emam
Children s Hospital of Eastern Ontario Research Institute, 401 Smyth Road, Ottawa, Ontario K1J 8L1, Canada
BMC Med Inform Decis Mak 10:18. 2010..However, using a uniqueness value of zero is quite a stringent threshold, and is only suitable when the risks from data disclosure are quite high. Other uniqueness thresholds that have been proposed for health data are 5% and 20%... - Evaluating common de-identification heuristics for personal health informationKhaled El Emam
CHEO Research Institute, 401 Smyth Road, Ottawa, ON K1H 8L1, Canada
J Med Internet Res 8:e28. 2006..De-identification heuristics are provided in the Health Insurance Portability and Accountability Act Privacy Rule, funding agency and professional association privacy guidelines, and common practice... - An evaluation of personal health information remnants in second-hand personal computer disk drivesKhaled El Emam
University of Ottawa and Children s Hospital of Eastern Ontario Research Institute, Ottawa, Ontario, Canada
J Med Internet Res 9:e24. 2007..Previous studies have shown that it is possible to get sensitive personal information (PI) from second-hand disk drives. However, there have been no studies investigating the leakage of PHI in this way... - Protecting privacy using k-anonymityKhaled El Emam
Children s Hospital of Eastern Ontario Research Institute, Ottawa, Ontario K1J 8L1, Canada
J Am Med Inform Assoc 15:627-37. 2008..To alleviate such concerns, it is possible to anonymize the data before disclosure. One popular anonymization approach is k-anonymity. There have been no evaluations of the actual re-identification probability of k-anonymized data sets... - Evaluating predictors of geographic area population size cut-offs to manage re-identification riskKhaled El Emam
Children s Hospital of Eastern Ontario Research Institute, Pediatrics, Faculty of Medicine, University of Ottawa, 401 Smyth Road, Ottawa, ON K1H 8L1, Canada
J Am Med Inform Assoc 16:256-66. 2009..Our objective is to estimate the population size cut-off at which a geographic area is sufficiently large so that no data suppression or further aggregation is necessary... - The use of electronic data capture tools in clinical trials: Web-survey of 259 Canadian trialsKhaled El Emam
Children s Hospital of Eastern Ontario Research Institute, Ottawa, ON, Canada
J Med Internet Res 11:e8. 2009..A systematic review of EDC adoption surveys conducted up to 2007 concluded that only 20% of trials are using EDC systems, but previous surveys had weaknesses... - A globally optimal k-anonymity method for the de-identification of health dataKhaled El Emam
CHEO Research Institute, 401 Smyth Road, Ott, ON K1H8L1, Canada
J Am Med Inform Assoc 16:670-82. 2009..Often legislative requirements to obtain consent are waived if the information collected or disclosed is de-identified... - The inadvertent disclosure of personal health information through peer-to-peer file sharing programsKhaled El Emam
Department of Pediatrics, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada
J Am Med Inform Assoc 17:148-58. 2010..We wanted to estimate the extent to which personal health information (PHI) is being disclosed in this way, and compare that to the extent of disclosure of personal financial information (PFI)... - P2P watch: personal health information detection in peer-to-peer file-sharing networksMarina Sokolova
Electronic Health Information Laboratory, CHEO Research Institute, Ottawa, ON, Canada
J Med Internet Res 14:e95. 2012..While there has been previous work on the detection of personal information in electronic health records, there has been a dearth of research on the automated detection of PHI in heterogeneous user files... - Estimating the re-identification risk of clinical data setsFida Kamal Dankar
Children s Hospital of Eastern Ontario Research Institute, Ottawa, ON, Canada
BMC Med Inform Decis Mak 12:66. 2012..If uniqueness can be measured accurately then the risk from this kind of attack can be managed. In practice, it is often not possible to measure uniqueness directly, therefore it must be estimated... 
A secure distributed logistic regression protocol for the detection of rare adverse drug eventsKhaled El Emam
CHEO Research Institute, Ottawa, Ontario, Canada
J Am Med Inform Assoc 20:453-61. 2013..Existing protocols for addressing these concerns can result in reduced analysis accuracy and can allow sensitive information to leak...- Who's using PDAs? Estimates of PDA use by health care providers: a systematic review of surveysChantelle Garritty
Chalmers Research Group, Children s Hospital of Eastern Ontario Research Institute, 451 Smyth Road, Ottawa, ON K1H 8L1, Canada
J Med Internet Res 8:e7. 2006..Knowing rates of collective PDA use among health care providers is an important guiding step to further understanding those health care contexts that are most suited to PDA use and whether PDAs provide improved health outcomes... - Parents are reluctant to use technological means of communication in pediatric day careKimmo Murto
Department of Anesthesiology Children s Hospital of Eastern Ontario, 401 Smyth Rd, Ottawa, Ontario K1H 8L1, Canada
Can J Anaesth 55:214-22. 2008..We hypothesized that advanced information and communication technology (ICT) would be acceptable to parents in a pediatric surgical, and diagnostic imaging day care setting...