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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2023.4
- 수록면
- 168 - 173 (6page)
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초록· 키워드
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Objectives: Since protecting patients’ privacy is a major concern in clinical research, there has been a growing need for privacy-preserving data analysis platforms. For this purpose, a federated learning (FL) method based on the Observational MedicalOutcomes Partnership (OMOP) common data model (CDM) was implemented, and its feasibility was demonstrated.
Methods: We implemented an FL platform on FeederNet, which is a distributed clinical data analysis platform based on theOMOP CDM in Korea. We trained it through an artificial neural network (ANN) using data from patients who received steroidprescriptions or injections, with the aim of predicting the occurrence of side effects depending on the prescribed dose.
The ANN was trained using the FL platform with the OMOP CDMs of Kyung Hee University Medical Center (KHMC) andAjou University Hospital (AUH). Results: The area under the receiver operating characteristic curves (AUROCs) for predictingbone fracture, osteonecrosis, and osteoporosis using only data from each hospital were 0.8426, 0.6920, and 0.7727 forKHMC and 0.7891, 0.7049, and 0.7544 for AUH, respectively. In contrast, when using FL, the corresponding AUROCs were0.8260, 0.7001, and 0.7928 for KHMC and 0.7912, 0.8076, and 0.7441 for AUH, respectively. In particular, FL led to a 14%improvement in performance for osteonecrosis at AUH. Conclusions: FL can be performed with the OMOP CDM, and FLoften shows better performance than using only a single institution's data. Therefore, research using OMOP CDM has beenexpanded from statistical analysis to machine learning so that researchers can conduct more diverse research.
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