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Perceived Risk of Re-Identification in OMOP-CDM Database: A Cross-Sectional Survey
Tak Yae Won,You Seng Chan,Han Jeong Hyun,Kim Soon-Seok,Kim Gi-Tae,Lee Yura 대한의학회 2022 Journal of Korean medical science Vol.37 No.26
Background: The advancement of information technology has immensely increased the quality and volume of health data. This has led to an increase in observational study, as well as to the threat of privacy invasion. Recently, a distributed research network based on the common data model (CDM) has emerged, enabling collaborative international medical research without sharing patient-level data. Although the CDM database for each institution is built inside a firewall, the risk of re-identification requires management. Hence, this study aims to elucidate the perceptions CDM users have towards CDM and risk management for re-identification. Methods: The survey, targeted to answer specific in-depth questions on CDM, was conducted from October to November 2020. We targeted well-experienced researchers who actively use CDM. Basic statistics (total number and percent) were computed for all covariates. Results: There were 33 valid respondents. Of these, 43.8% suggested additional anonymization was unnecessary beyond, “minimum cell count” policy, which obscures a cell with a value lower than certain number (usually 5) in shared results to minimize the liability of re-identification due to rare conditions. During extract-transform-load processes, 81.8% of respondents assumed structured data is under control from the risk of re-identification. However, respondents noted that date of birth and death were highly re-identifiable information. The majority of respondents (n = 22, 66.7%) conceded the possibility of identifier-contained unstructured data in the NOTE table. Conclusion: Overall, CDM users generally attributed high reliability for privacy protection to the intrinsic nature of CDM. There was little demand for additional de-identification methods. However, unstructured data in the CDM were suspected to have risks. The necessity for a coordinating consortium to define and manage the re-identification risk of CDM was urged.
정유선(You Son Chong),탁우정(Woo Jung Tak),노병인(Byung In Ro) 대한피부과학회 2002 大韓皮膚科學會誌 Vol.40 No.7
N/A Background : Androgenetic alopecia is considered to be a genetically determind disorder influenced by age and androgen. The proportion of patients with androgenetic alopecia among the total number of patients with alopecia seems to be gradually increasing. Objective : The purpose of this study was to find the family history, clinical and endocrine status of the patients with androgenetic alopecia. Method : 736 patients with androgenetic alopecia who had visited the Department of Dermatology, Yongsan and Pil-dong Hospital, College of Medicine, Chung-Ang University during the last 2 years(1999.1-2000.12) were examined. Results : 1) Incidence of androgenetic alopecia among the total number of alopecia patients was 75.8%. 2) There were 571 male and 165 female patients being most prevalent in the 3rd decade in male patients and in the 4th decade in female patients. 3) In male androgenetic alopecia, Norwood-Hamilton`s type Ⅱ was the most common and following Ⅲv, Ⅱ, Ⅳ, Ⅲa, and in female patients, Ludwig`s type Ⅰ was most common. 4) There was a family history of baldness in 59.5% of first degree relatives in male patients and 30.9% in female patients. 5) The most common associated disorder is seborrheic dermatitis. 6) Serum testosterone levels were increased in 78 males(13.7%) and 23 females(13.9%). Conclusion : Based on these results, the number of young patients who visit dermatologists tends to be increasing and genetic factor, ages and abnormal androgen metabolism in scalp are affecting the development of androgenetic alopecia.
최유식(You Shik Choi),박태진(Tae Jin Park),탁우택(Woo Taek Tak),한성식(Sung Sik Han),조종태(Jong Tae Cho),윤성철(Sung Chul Yoon),이연희(Yeon Hee Lee) 대한내과학회 2001 대한내과학회지 Vol.61 No.6
Subcapsular renal hematoma without a history of trauma is uncommon, which has been reported with the association of underlying renal tumor, vascular or inflammatory disease. Recently, subcapsular renal hematoma has been reported to be a rare complication of acute pyelonephritis. If abdominal pain is acutely aggravated or hematocrit is rapidly decreased in the patient of acute pyelonephritis, subcapsular renal hematoma as a complication of acute pyelonephritis should be considered and confirmed by subsequent imaging studies. We report two cases of subcapsular renal hematoma as a complication of acute pyelonephritis.(Korean J Med 61:669-673, 2001)
요양시설 입소 노인 가족의 가족참여 요구도에 관한 연구
유선영(You, Sun Young),탁영란(Tak, Young Ran) 기초간호학회 2018 Journal of korean biological nursing science Vol.20 No.3
Purpose: The purpose of this study was to investigate the expected family involvement of family members of elderly residents in nursing homes. Methods: This study utilized a descriptive design with a survey research method. Data were collected using the Expect Family Involvement Questionnaire Scale, which was completed by 112 family caregivers of older adults in nursing homes in Seoul and Gyeong-gi Province. The collected data were analyzed using descriptive statistics. Results: Responses to the questionnaire indicated the highest value was recorded for the item, ‘use of a room for family privacy’ with 2.41±0.43 points, followed by the item, ‘staff calling family for advice with resident problems’ with 2.38±0.38 points and ‘education about nursing home programs’ with 2.32±0.42 points. Conclusion: In order to promote family involvement in long-term care facilities, various approaches, interventions, and government supports with the respective of the family are required. The nursing home placement process should include understanding discuss on the importance of the role of family, and should help promote positive relationships between the elderly residents and their families. Staffs and administrators of nursing home are to consider the family as a partner rather than visitor.