• Jihye Shin, Ji Young Park, Jungmi Chae, Hyung-Sook Kim, Song Mi Moon, Eunjeong Heo, Se Yoon Park, Dong Min Seo, Ha-Jin Chun, Yong Chan Kim, Myung Jin Lee, Kyungmin Huh, Hyo Jung Park, I Ji Yun, Su Jin Jeong, Jun Yong Choi, Dong-Sook Kim, Bongyoung Kim, and KONAS Working Committee.
• Department of Research, Health Insurance Review & Assessment Service (HIRA), Wonju, Korea.
• J. Korean Med. Sci. 2024 Jul 29; 39 (29): e216e216.

AbstractThis study aimed to evaluate the differences in the baseline characteristics and patterns of antibiotic usage among hospitals based on their participation in the Korea National Antimicrobial Use Analysis System (KONAS). We obtained claims data from the National Health Insurance for inpatients admitted to all secondary- and tertiary-care hospitals between January 2020 and December 2021 in Korea. 15.9% (58/395) of hospitals were KONAS participants, among which the proportion of hospitals with > 900 beds (31.0% vs. 2.6%, P < 0.001) and tertiary care (50.0% vs. 5.2%, P < 0.001) was higher than that among non-participants. The consumption of antibiotics targeting antimicrobial-resistant gram positive bacteria (33.7 vs. 27.1 days of therapy [DOT]/1,000 patient-days, P = 0.019) and antibiotics predominantly used for resistant gram-negative bacteria (4.8 vs. 3.7 DOT/1,000 patient-days, P = 0.034) was higher in KONAS-participating versus -non-participating hospitals. The current KONAS data do not fully represent all secondary- and tertiary-care hospitals in Korea; thus, the KONAS results should be interpreted with caution.© 2024 The Korean Academy of Medical Sciences.

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