| 2012 | | Optimal cut points of waist circumference (WC) and visceral fat area (VFA) predicting for metabolic syndrome (MetS) in elderly population in the Korean Longitudinal Study on Health and Aging (KLoSHA) | 조남한 |
| 2020 | | Optimal cut-off value of high-sensitivity troponin I in diagnosing myocardial infarction in patients with end-stage renal disease | 이민정, 임은수 |
| 2018 | | Optimal dose of combined rocuronium and cisatracurium during minor surgery: A randomized trial | 최종범 |
| 2013 | | Optimal dose of intra-articular corticosteroids for adhesive capsulitis: a randomized, triple-blind, placebo-controlled trial. | 곽규성, 윤승현 |
| 2022 | | Optimal Duration of Dual Antiplatelet Therapy after Stent-Assisted Coil Embolization of Unruptured Intracranial Aneurysms: A Prospective Randomized Multicenter Trial | 임용철 |
| 2016 | | Optimal effect-site concentration of remifentanil for preventing cough during removal of the double-lumen endotracheal tube from sevoflurane-remifentanil anesthesia: A prospective clinical trial | 김대희, 김종엽, 노고운, 박성용, 유지영, 이숙영 |
| 2017 | | Optimal ex vivo lung perfusion techniques with oxygenated perfusate | 함석진 |
| 2021 | | Optimal fluence and duration of low-level laser therapy for efficient wound healing in mice | 김유찬, 최지웅 |
| 2013 | | Optimal HbA1c cutoff for detecting diabetic retinopathy. | 조남한 |
| 2011 | | Optimal intravascular ultrasound criteria and their accuracy for defining the functional significance of intermediate coronary stenoses of different locations. | 양형모, 윤명호, 임홍석, 탁승제 |
| 2014 | | Optimal Intravascular Ultrasound Criteria for Defining the Functional Significance of Intermediate Coronary Stenosis: An International Multicenter Study | 양형모, 윤명호, 탁승제 |
| 2019 | | Optimal Multiphase Computed Tomographic Angiography-based Infarct Core Estimations for Acute Ischemic Stroke | 이성준, 이진수, 정우상, 최문희, 최진욱, 홍지만 |
| 2022 | | Optimal Nozzle Position and Patient’s Posture to Enhance Drug Delivery into the Peritoneum during Rotational Intraperitoneal Pressurized Aerosol Chemotherapy in a Swine Model | 장석준 |
| 2012 | | Optimal Pelvic Inlet and Outlet Radiograph Angles in Korean Patients | 원예연 |
| 2018 | | Optimal Phase of Dynamic Computed Tomography for Reliable Size Measurement of Metastatic Neuroendocrine Tumors of the Liver: Comparison between Pre- and Post-Contrast Phases | 허지미 |
| 2022 | | Optimal positive lymph node ratio showing the benefit of postoperative radiotherapy in pathologic N2 non-small cell lung cancer: an exploratory study using the Surveillance, Epidemiology, and End Results data | 노오규 |
| 2017 | | Optimal radiation dose for patients with one to three lymph node positive breast cancer following breast-conserving surgery and anthracycline plus taxane-based chemotherapy: A retrospective multicenter analysis (KROG 1418) | 전미선 |
| 2014 | | Optimal set of grid size and angular increment for practical dose calculation using the dynamic conformal arc technique: a systematic evaluation of the dosimetric effects in lung stereotactic body radiation therapy. | 박혜진 |
| 2007 | | Optimization of critical factors affecting the performance of an allergen chip for the analysis of an allergen-specific human IgE in serum. | 김승현, 박해심 |
| 2011 | | Optimizing outcome of charles procedure for chronic lower extremity lymphoedema. | 이일재 |
