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Gastroenterology
Comorbidities and the use of comedications among patients with chronic hepatitis C in Korea: A nationwide cross-sectional study
Kyung Min Kwon, Jae-Jun Shim, Gi-Ae Kim, Bo Ok Kim, Helin Han, Hyun Jung Ahn
Korean J Intern Med. 2023;38(3):338-348. Published online April 10, 2023
Background/Aims: Chronic hepatitis C (CHC) is the second leading cause of liver-related mortality and is more prevalent in the elderly population in Korea. Decisions to initiate treatment and selection of proper antiviral agents may be challenging among elderly patients due to relevant comorbidities..
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Rheumatology
Burden of comorbidities and medication use in childbearing women with rheumatic diseases: a nationwide population-based study
Min Kyung Chung, Chan Hee Lee, Jin Su Park, Hyunsun Lim, Jisoo Lee
Korean J Intern Med. 2022;37(6):1250-1259. Published online July 9, 2021
Background/Aims: We aimed to estimate the prevalence of comorbidities and medication use in Korean women with rheumatic diseases (RDs) during their childbearing years.
Methods: We included women aged 20 to 44 years with seropositive rheumatoid arthritis (RA), systemic lupus erythematosus (SLE), and..
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Gastroenterology
Impact of liver cirrhosis on the clinical outcomes of patients with COVID-19: a nationwide cohort study of Korea
Dongsub Jeon, Minkook Son, Jonggi Choi
Korean J Intern Med. 2021;36(5):1092-1101. Published online August 18, 2021
Background/Aims: The impact of liver cirrhosis (LC) on the clinical outcomes of patients with coronavirus disease 2019 (COVID-19) remains elusive. This study evaluated the association between LC and the development of severe complications from COVID-19.
Methods: We used the National Health Insuranc..
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Infectious diseases
Comparison of antimicrobial resistances and clinical features in community-onset Escherichia coli and Klebsiella pneumoniae bacteremia
Hwa Seok Sung, Je Won Lee, Sohyun Bae, Ki Tae Kwon
Korean J Intern Med. 2021;36(2):433-440. Published online March 31, 2020
Background/Aims: The aim of this study was to compare antimicrobial resistance, clinical features, and outcomes of community-onset Escherichia coli (COEC) and Klebsiella pneumoniae (COKP) bacteremia.
Methods: The medical records of patients diagnosed with E. coli or K. pneum..
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Hemato-oncology
Impact of subsequent chemotherapy on the survival of elderly patients with extensive stage small cell lung cancer
Eun Joo Kang, Yoon Ji Choi, Se Ryeon Lee, Hwa Jung Sung, Jung Sun Kim
Korean J Intern Med. 2020;35(6):1468-1476. Published online April 29, 2020
Background/Aims: The prognosis of small cell lung cancer (SCLC) is still poor because of rapid recurrence, despite good response to initial chemotherapy. Additionally, patients’ old ages and comorbidities are often obstacles that make it difficult to apply subsequent treatment after initial treatm..
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Metabolic comorbidities and medical institution utilization among breast cancer survivors: a national population-based study
Jaesung Heo, Mison Chun, Young-Taek Oh, O Kyu Noh, Logyoung Kim
Korean J Intern Med. 2020;35(2):421-428. Published online September 5, 2019
Background/Aims: We investigated metabolic comorbidity status and patterns of medical institution utilization among breast cancer survivors using medical claims data from the Health Insurance Review and Assessment Service (HIRA).
Methods: Using claims data obtained from the HIRA, we selected breast..
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Nephrology
The pattern of choosing dialysis modality and related mortality outcomes in Korea: a national population-based study
Hyung Jong Kim, Jung Tak Park, Seung Hyeok Han, Tae-Hyun Yoo, Hyeong-Cheon Park, Shin-Wook Kang, Kyoung Hoon Kim, Dong-Ryeol Ryu, Hyunwook Kim
Korean J Intern Med. 2017;32(4):699-710. Published online June 26, 2017
Background/Aims: Since comorbidities are major determinants of modality choice, and also interact with dialysis modality on mortality outcomes, we examined the pattern of modality choice according to comorbidities and then evaluated how such choices affected mortality in incident dialysis patients.
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Gastroenterology
Predictive factors of mortality within 30 days in patients with nonvariceal upper gastrointestinal bleeding
Yoo Jin Lee, Bo Ram Min, Eun Soo Kim, Kyung Sik Park, Kwang Bum Cho, Byoung Kuk Jang, Woo Jin Chung, Jae Seok Hwang, Seong Woo Jeon
Korean J Intern Med. 2016;31(1):54-64. Published online December 28, 2015
Background/Aims: Nonvariceal upper gastrointestinal bleeding (NVUGIB) is a common medical emergency that can be life threatening. This study evaluated predictive factors of 30-day mortality in patients with this condition.
Methods: A prospective observational study was conducted at a single hospita..
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Pulmonology
Disease burden of pneumonia in Korean adults aged over 50 years stratified by age and underlying diseases
Jung Yeon Lee, Chul Gyu Yoo, Hyo-Jin Kim, Ki Suck Jung, Kwang Ha Yoo
Korean J Intern Med. 2014;29(6):764-773. Published online October 31, 2014
Background/Aims: This study was conducted to assess the disease burden of pneumonia according to age and presence of underlying diseases in patients admitted with community-acquired pneumonia (CAP).
Methods: We performed a retrospective, observational study and collected data targeting patients with..
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Comorbidity Study on Type 2 Diabetes Mellitus Using Data Mining
Hye Soon Kim, A Mi Shin, Mi Kyung Kim, Yoon Nyun Kim
Korean J Intern Med. 2012;27(2):197-202. Published online May 31, 2012
Background/AimsThe aim of this study was to analyze comorbidity in patients with type 2 diabetes mellitus (T2DM) by using association rule mining (ARM). MethodsWe used data from patients who visited Keimyung University Dongsan Medical Center fro..
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