• Jieun Jang, Doo Woong Lee, Junghwan Suh, and Jaeyong Shin.
• Department of Preventive Medicine, College of Medicine, Dongguk University, Gyeongju, Korea.
• Yonsei Med. J. 2024 Nov 1; 65 (11): 669676669-676.

PurposeThis study aimed to identify the association between coronavirus disease 2019 (COVID-19) transmission levels and undergoing glycated hemoglobin (HbA1c) test and complication screenings among patients with diabetes mellitus.Materials And MethodsWe included a total of 3601 diabetes patients' data from the 2020 Korean Community Health Survey to analyze the extent of the HbA1c testing and fundus examination, and 3592 diabetes patients' data to analyze kidney disease screening. COVID-19 transmission levels were classified into low transmission (Busan, Gwangju, Daejeon, Ulsan, and Sejong) and high transmission (Daegu, where the first large outbreak of COVID-19 occurred in Korea). Multiple logistic regression was used to obtain adjusted odds ratio (ORs) and 95% confidence interval (CI) to determine the association of COVID-19 transmission levels with undergoing HbA1c testing and diabetes complication screening.ResultsThe proportion of subjects who underwent complication screening of diabetes was lower in the high transmission region (low transmission vs. high transmission: 42.3% vs. 38.0% for fundus examination; 48.9% vs. 45.7% for kidney disease screening). A high COVID-19 transmission level was associated with decreased odds of undergoing fundus examination (OR, 0.82; 95% CI, 0.69-0.98) and kidney disease screening (OR, 0.76; 95% CI, 0.63-0.91). However, COVID-19 transmission levels were not significantly associated with undergoing HbA1c testing.ConclusionA high level of COVID-19 transmission was associated with a decrease in undergoing fundus examination and kidney disease screening. To fully realize the potential benefit of diabetes complication screenings, further effort is required to identify and address challenges to obtaining these screenings, especially in outbreak regions.© Copyright: Yonsei University College of Medicine 2024.

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