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- Original article Endocrinology, Diabetes, and Metabolism Experiences of healthcare providers and patients with diabetes mellitus regarding continuous glucose monitoring use in South Korea: a multicenter, cross-sectional survey study
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Young-Jin Choi1,2
, Jung-Hwa Lee1, Kyu-Jeung Ahn1, Ho-Yeon Chung1, Ji Eun Jun1, You-Cheol Hwang1, Hyuk-Sang Kwon3, Young Na3, Jae-Hyeon Kim4, Kang-Hee Sim4, Kun-Ho Yoon5, Bok-Rye Song5, In-Kyung Jeong1 -
Journal of Yeungnam Medical Science 2025;42:60.
DOI: https://doi.org/10.12701/jyms.2025.42.60 [Epub ahead of print]
Published online: September 26, 2025
1Department of Endocrinology and Metabolism, Kyung Hee University Hospital at Gangdong, Kyung Hee University College of Medicine, Seoul, Korea
2Department of Nursing, Graduate School, Kyung Hee University, Seoul, Korea
3Department of Endocrinology and Metabolism, Yeouido St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
4Department of Endocrinology and Metabolism, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
5Department of Endocrinology and Metabolism, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
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Corresponding author:
In-Kyung Jeong,
Email: jik1016@khu.ac.kr
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Abstract
Background
Despite the increasing use of continuous glucose monitoring (CGM) systems, limited data exist on their perceived benefits and challenges among patients and healthcare providers. This study explored CGM-related experiences in South Korea.
Methods
An anonymous online survey was conducted between January and December 2021 at four university hospitals. Respondents included patients with diabetes mellitus (DM), physicians, and DM education nurses. The survey assessed the use of CGM, its benefits, and barriers. Most devices were first-generation CGMs: FreeStyle Libre 1 (Abbott Diabetes Care), Dexcom G6 (Dexcom Inc.), and Medtronic Guardian 3 (Medtronic MiniMed).
Results
Among 1,010 patients (33.4% with type 1 DM [T1DM], 63.6% with type 2 DM [T2DM], and 3.1% others; mean age, 51.4±14.6 years), 92.7% found CGM helpful. Although 59.6% reported discomfort, 81.9% intended to continue using CGM, indicating that perceived benefits outweighed barriers. The key advantages were glucose monitoring without finger pricks (T1DM, 57.9%; T2DM, 56.2%) and maintenance of target glucose levels. Discomfort was related to discomfort during activities (53.8%), skin problems (45.0%), and pain (43.0%). Healthcare provider recommendations were associated with reduced discomfort (adjusted odds ratio, 0.36; 95% confidence interval, 0.21–0.60). Physicians (n=29) cited high costs as the main barrier (T1DM, 58.9%; T2DM, 64.8%); only 51.9% and 14.5% prescribed CGM for T1DM and T2DM, respectively. Insulin adjustment and glucose control were the main reasons for prescription, while cost (89.3%) and limited consultation time (67.9%) were barriers. DM educators (n=9) reported heavy workloads, with training and follow-up times averaging 31.7±7.5 minutes and 21.7±9.7 minutes, respectively; 77.8% of DM educators identified frequent patient inquiries as their greatest burden.
Conclusion
CGM provides significant clinical benefits but is limited by discomfort, costs, and educational burden. Sustained adoption requires device improvements, insurance support, and workforce expansion.
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