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Koo HY, Lee JR, Lee JY, Lee H. Metabolic health is more strongly associated with the severity and mortality of coronavirus disease 2019 than obesity. Arch Public Health 2024; 82:131. [PMID: 39180113 PMCID: PMC11342616 DOI: 10.1186/s13690-024-01372-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Accepted: 08/13/2024] [Indexed: 08/26/2024] Open
Abstract
BACKGROUND Obesity has been suggested to be associated with the coronavirus disease 2019 (COVID-19); however, it is unclear whether obesity or metabolic abnormalities accompanied by obesity have a stronger association with COVID-19 risk. METHODS This study used the Korea Disease Control and Prevention Agency database, which includes information about the COVID-19 diagnosis and mortality dates of the entire Korean population between October 2020 and December 2021 (for diagnosis) or March 2022 (for mortality). A total of 24,310,283 adults were included and classified into four metabolic obesity phenotypes: (1) metabolically healthy and normal weight (MHNW), (2) metabolically unhealthy and normal weight (MUNW), (3) metabolically healthy and obese (MHO), and (4) metabolically unhealthy and obese (MUO). COVID-19 mortality and severity were compared according to metabolic obesity phenotypes in the total population and in each age group (20-<50 years, 50-<70 years, and ≥ 70 years). Additionally, major adverse cardiovascular events (MACE) after COVID-19 infection were compared according to metabolic obesity phenotypes. RESULTS A total of 3, 956, 807 participants (16.3%) were diagnosed with COVID-19 during the study period. Among them, metabolically unhealthy subjects had higher mortality rates than metabolically healthy subjects (0.81% for MUNW, 0.40% for MUO, 0.23% for MHNW, and 0.19% for MHO). The rates of severe hospitalized disease were also higher in metabolically unhealthy subjects than in healthy subjects (0.59% for MUNW, 0.55% for MUO, 0.19% for MHNW, and 0.31% for MHO). In the subgroup analyses by age, similar trends were observed in subjects aged 20-50 and 50-70 years, respectively. Additionally, the incidence of total MACE was increased in metabolically unhealthy individuals. CONCLUSIONS The study shows that metabolic health is more strongly associated with COVID-19 mortality and severity than obesity, particularly in adults aged < 70 years.
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Affiliation(s)
- Hye Yeon Koo
- Department of Family Medicine, Seoul National University Bundang Hospital, 82, Gumi-ro 173 Beon-gil, Bundang-gu, Seongnam-si, 13620, Gyeonggi-do, Republic of Korea
- Department of Family Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Jae-Ryun Lee
- Department of Family Medicine, Seoul National University Bundang Hospital, 82, Gumi-ro 173 Beon-gil, Bundang-gu, Seongnam-si, 13620, Gyeonggi-do, Republic of Korea
| | - Jin Yong Lee
- Department of Health Policy and Management, Seoul National University College of Medicine, Seoul, Republic of Korea.
- Public Healthcare Center, Seoul National University Hospital, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea.
- Institute of Health Policy and Management, Seoul National University Medical Research Center, Seoul, Republic of Korea.
| | - Hyejin Lee
- Department of Family Medicine, Seoul National University Bundang Hospital, 82, Gumi-ro 173 Beon-gil, Bundang-gu, Seongnam-si, 13620, Gyeonggi-do, Republic of Korea.
- Department of Family Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea.
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Park JM, Koo HY, Lee JR, Lee H, Lee JY. COVID-19 Mortality and Severity in Cancer Patients and Cancer Survivors. J Korean Med Sci 2024; 39:e6. [PMID: 38225782 PMCID: PMC10789529 DOI: 10.3346/jkms.2024.39.e6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 10/26/2023] [Indexed: 01/17/2024] Open
Abstract
BACKGROUND We aimed to investigate mortality, severity, and risk of hospitalization in coronavirus disease 2019 (COVID-19) patients with cancer. METHODS Data of all patients aged 40-79 years from the Korean Disease Control and Prevention Agency-COVID19-National Health Insurance Service who were diagnosed with COVID-19 between January 1, 2020 and March 31, 2022, in Korea were included. After 1:1 propensity score matching, 397,050 patients with cancer and 397,050 patients without cancer were enrolled in the main analysis. A cancer survivor was defined as a patient who had survived 5 or more years since the diagnosis of cancer. Multiple logistic regression analysis was performed to compare the risk of COVID-19 according to the diagnosis of cancer and time since diagnosis. RESULTS Cancer, old age, male sex, incomplete vaccination against COVID-19, lower economic status, and a higher Charlson comorbidity index were associated with an increased risk of hospitalization, hospitalization with severe state, and death. Compared to patients without cancer, the adjusted odds ratios (ORs) and 95% confidence intervals (CIs) for hospitalization, hospitalization with severe state, and death in patients with cancer were 1.09 (1.08-1.11), 1.17 (1.11-1.24), and 1.94 (1.84-2.05), respectively. Compared to patients without cancer, the ORs (95% CIs) for hospitalization in cancer survivors, patients with cancer diagnosed 2-5 years, 1-2 years, and < 1 year ago were 0.96 (0.94-0.98), 1.10 (1.07-1.13), 1.30 (1.25-1.34), and 1.82 (1.77-1.87), respectively; the ORs (95% CIs) for hospitalization for severe disease among these patients were 0.90 (0.85-0.97), 1.22 (1.12-1.32), 1.60 (1.43-1.79), and 2.29 (2.09-2.50), respectively. CONCLUSION The risks of death, severe state, and hospitalization due to COVID-19 were higher in patients with cancer than in those without; the more recent the diagnosis, the higher the aforementioned risks. Cancer survivors had a lower risk of hospitalization and hospitalization with severe disease than those without cancer.
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Affiliation(s)
- Jae-Min Park
- Department of Family Medicine, Uijeongbu Eulji Medical Center, Eulji University, Uijeongbu, Korea
- Department of Medicine, Graduate School of Medicine, Yonsei University, Seoul, Korea
| | - Hye Yeon Koo
- Department of Family Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
- Department of Family Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Jae-Ryun Lee
- Department of Family Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Hyejin Lee
- Department of Family Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
- Department of Family Medicine, Seoul National University College of Medicine, Seoul, Korea.
| | - Jin Yong Lee
- Department of Health Policy and Management, Seoul National University College of Medicine, Seoul, Korea
- Public Healthcare Center, Seoul National University Hospital, Seoul, Korea
- Institute of Health Policy and Management, Seoul National University Medical Research Center, Seoul, Korea.
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Liu TH, Huang PY, Wu JY, Chuang MH, Hsu WH, Tsai YW, Lai CC. Comparison of post-acute sequelae following hospitalization for COVID-19 and influenza. BMC Med 2023; 21:480. [PMID: 38049876 PMCID: PMC10696681 DOI: 10.1186/s12916-023-03200-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Accepted: 11/27/2023] [Indexed: 12/06/2023] Open
Abstract
BACKGROUND Few studies have directly compared the risk and magnitude of post-acute sequelae following COVID-19 and influenza, and most of these studies were conducted before emergence of the Omicron. This study investigated the prevalence of post-COVID conditions and the long-term risk of emergency department (ED) visits, hospitalizations, and deaths in patients with COVID-19 and compared their risk with that of patients with influenza. METHODS A retrospective study based on the TriNetX databases, a global health research network. We identified patients with COVID-19 and influenza who required hospitalization between January 1, 2022, and January 1, 2023. We compared the risk of developing any post-COVID conditions between the two groups and also analyzed each post-COVID-19 condition and all-cause ED visits, hospitalizations, and deaths in both populations during the follow-up 90-180 days. RESULTS Before matching, 7,187 patients with COVID-19 were older (63.9 ± 16.7 vs. 55.4 ± 21.2) and were predominantly male (54.0% vs. 45.4%), and overweight/obese (16.1% vs. 11.2%) than 11,266 individuals with influenza. After propensity score matching, 6,614 patients were identified in each group, resulting in well-balanced baseline characteristics. During follow-up, the COVID-19 group had a higher incidence of any post-COVID-19 condition when compared with the influenza group (17.9% vs. 13.0%), with a hazard ratio (HR) of 1.398 (95% CI, 1.251-1.562). Compared to the influenza group, the COVID-19 group had a significantly higher incidence of abnormal breathing (HR, 1.506; 95% CI, 1.246-1.822), abdominal symptoms (HR, 1.313; HR, 1.034-1.664), fatigue (HR, 1.486; 95% CI, 1.158-1.907), and cognitive symptoms (HR, 1.815; 95% CI, 1.235-2.668). Moreover, the COVID-19 group had a significantly higher risk of the composite outcomes during all-cause ED visits, hospitalizations, and deaths when compared with the influenza group (27.5% vs. 21.7; HR, 1.303; 95% CI, 1.194-1.422). CONCLUSIONS This study indicates that hospitalized COVID-19 patients are at a higher risk of long-term complications when compared with influenza survivors.
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Affiliation(s)
- Ting-Hui Liu
- Department of Psychiatry, Chi Mei Medical Center, Tainan, Taiwan
| | - Po-Yu Huang
- Department of Internal Medicine, Chi Mei Medical Center, Tainan, Taiwan
| | - Jheng-Yan Wu
- Department of Nutrition, Chi Mei Medical Center, Tainan, Taiwan
| | - Min-Hsiang Chuang
- Department of Internal Medicine, Chi Mei Medical Center, Tainan, Taiwan
| | - Wan-Hsuan Hsu
- Department of Internal Medicine, Chi Mei Medical Center, Tainan, Taiwan
| | - Ya-Wen Tsai
- Center for Integrative Medicine, Chi Mei Medical Center, Tainan, Taiwan
| | - Chih-Cheng Lai
- Division of Hospital Medicine, Department of Internal Medicine, Chi Mei Medical Center, No 901, Chunghwa Road, Yongkang District, Tainan City 710, Taiwan.
- School of Medicine, College of Medicine, National Sun Yat-Sen University, Kaohsiung, Taiwan.
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Jang M, Choi D, Choi J, Kwon HJ. Clinical Features and Risk Factors of Post-COVID-19 Condition in Korea. J Prev Med Public Health 2023; 56:431-439. [PMID: 37735829 PMCID: PMC10579640 DOI: 10.3961/jpmph.23.124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 08/11/2023] [Indexed: 09/23/2023] Open
Abstract
OBJECTIVES Numerous studies have explored the causes and spread of outbreaks, yet there is a lack of research on post-coronavirus disease 2019 condition (PCC) in Korea. The goal of this study was to identify the various types of PCC and associated factors in discharged patients and to provide directions for the ongoing health management of confirmed patients. METHODS A telephone survey was conducted among 680 coronavirus disease 2019 (COVID-19) patients diagnosed between July 7, 2021 and August 26, 2021, in Dangjin, Chungnam, Korea. A descriptive analysis of characteristics, univariate analysis, and regression were performed using data from basic epidemiological surveys conducted at the time of diagnosis and post-discharge questionnaires. RESULTS Of the 585 patients who responded, 159 (27.2%) developed PCC. Of the 211 patients with no initial symptoms, 27 (12.8%) developed PCC, versus 132 (35.3%) of the 374 patients with initial symptoms. Among the initial symptoms, fever or chills, cough or sputum, loss of smell, and sore throat were associated with PCC. Compared to patients with less than 10 days of hospitalization, those with a hospitalization period of 21 days to 30 days (odds ratio [OR], 2.3; 95% confidence interval [CI], 1.0 to 5.2) and 31 days or more (OR, 5.8; 95% CI, 1.9 to 18.1) had a higher risk of PCC. CONCLUSIONS More than a quarter of COVID-19 patients, including those who had no initial symptoms, experienced PCC in Korea. People with the initial symptoms of fever, chills, and respiratory symptoms and those who had prolonged hospital stays had a high risk of PCC.
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Affiliation(s)
- Myungwon Jang
- Epidemic Intelligence Officer, Dangjin City Public Health Center, Dangjin, Korea
| | - Dongkwon Choi
- Chungnam Center for Infectious Diseases Control and Prevention, Hongseong, Korea
| | - Jonghyuk Choi
- Chungnam Center for Infectious Diseases Control and Prevention, Hongseong, Korea
- Department of Preventive Medicine, Dankook University College of Medicine, Cheonan, Korea
| | - Ho-Jang Kwon
- Chungnam Center for Infectious Diseases Control and Prevention, Hongseong, Korea
- Department of Preventive Medicine, Dankook University College of Medicine, Cheonan, Korea
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Chang Y, Jeon J, Song TJ, Kim J. Association of triglyceride/high-density lipoprotein cholesterol ratio with severe complications of COVID-19. Heliyon 2023; 9:e17428. [PMID: 37366523 PMCID: PMC10275776 DOI: 10.1016/j.heliyon.2023.e17428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 06/13/2023] [Accepted: 06/16/2023] [Indexed: 06/28/2023] Open
Abstract
Background The coronavirus disease 2019 (COVID-19) caused by the SARS-CoV-2 virus can lead to serious complications such as respiratory failure, requiring mechanical ventilation or ICU care, and can even result in death, especially in older patients with comorbidities. The ratio of triglyceride to high-density lipoprotein cholesterol (TG/HDL), a biomarker of atherosclerotic dyslipidemia and insulin resistance, is related to cardiovascular mortality and morbidity. We aimed to evaluate the link between serious complications of COVID-19 and TG/HDL in the general population. Methods We conducted a comprehensive analysis of 3,933 COVID-19 patients from a nationwide cohort in Korea spanning from January 1 to June 4, 2020. TG/HDL ratio was calculated from the national health screening examination data underwent before the COVID-19 infection. Serious complications of COVID-19 were defined as a composite of high-flow oxygen therapy, mechanical ventilation, admission to the intensive care unit (ICU), and mortality. We employed logistic regression analysis to investigate the relationship between the TG/HDL ratio and the likelihood of developing severe complications within 2 months of the diagnosis. To visualize this association, we used a smoothing spline plot based on the generalized additive regression model. Multivariate analysis was performed with adjustment for age, gender, body mass index, lifestyle measures, and comorbidities. Results Among the 3,933 COVID-19 patients, the proportion of serious complications was 7.53%. Regarding individual outcomes, the number of patients who received high-flow oxygen therapy, mechanical ventilation, ICU care, and died was 84 (2.14%), 122 (3.10%), 173 (4.40%), and 118 (3.00%), respectively. In the multivariable logistic regression, a positive association was found between TG/HDL ratio and serious complications of COVID-19 (adjusted OR, 1.09; 95% CI [1.03-1.15], p = 0.004). Conclusion Our study revealed a significant positive association between TG/HDL ratio and the risk of developing severe complications in COVID-19-infected patients. While this finding provides valuable insight into the potential prognostic role of TG/HDL ratio in COVID-19, further studies are needed to fully elucidate the underlying mechanisms behind this relationship.
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Affiliation(s)
- Yoonkyung Chang
- Department of Neurology, Mokdong Hospital, Ewha Womans University College of Medicine, Seoul, Republic of Korea
| | - Jimin Jeon
- Department of Neurology, Yongin Severance Hospital, Yonsei University College of Medicine, Yongin-si, Republic of Korea
| | - Tae-Jin Song
- Department of Neurology, Seoul Hospital, Ewha Womans University College of Medicine, Seoul, Republic of Korea
| | - Jinkwon Kim
- Department of Neurology, Yongin Severance Hospital, Yonsei University College of Medicine, Yongin-si, Republic of Korea
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Hwang SH, Lee H, Jung M, Kim SH, Sung HK, Oh MD, Lee JY. Incidence, Severity, and Mortality of Influenza During 2010-2020 in Korea: A Nationwide Study Based on the Population-Based National Health Insurance Service Database. J Korean Med Sci 2023; 38:e58. [PMID: 36852854 PMCID: PMC9970788 DOI: 10.3346/jkms.2023.38.e58] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Accepted: 11/30/2022] [Indexed: 02/12/2023] Open
Abstract
BACKGROUND The epidemiology of influenza is commonly used to understand and establish relevant health policies for emerging respiratory infections, including coronavirus disease 2019 (COVID-19). However, Korea has no confirmed nationwide data on influenza incidence, severity, and mortality rate. METHODS We conducted a cross-sectional study to obtain epidemic data on influenza at the national level using National Health Insurance claims data during 2010 to 2020. Influenza cases were defined as 90-day timeframe episodes based on all inpatient and outpatient claims data with disease code J09, J10, and J11. Influenza incidence, severity, and mortality rate were calculated, and logistic regressions were performed to assess the associations of demographic characteristics and comorbidity with influenza-related hospitalization, severe illness, and death. RESULTS There were 0.4-5.9% influenza cases in the population from 2010 to 2020, with 9.7-18.9%, 0.2-0.9%, and 0.03-0.08% hospitalized, used in the intensive care unit, and dead, respectively. Age-standardized incidence and mortality rates were 424.3-6847.4 and 0.2-1.9 per 100,000 population, respectively. While more than half of the influenza cases occurred in populations aged younger than 20 years, deaths in older than 60 years accounted for more than two-thirds of all deaths. CONCLUSION This study provided the simplest but most important statistics regarding Korean influenza epidemics as a reference. These can be used to understand and manage other new acute respiratory diseases, including COVID-19, and establish influenza-related policies.
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Affiliation(s)
- Soo-Hee Hwang
- HIRA Research Institute, Health Insurance Review & Assessment Service, Wonju, Korea
| | - Hyejin Lee
- Department of Family Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
- Department of Family medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Myunghoo Jung
- HIRA Research Institute, Health Insurance Review & Assessment Service, Wonju, Korea
| | - Sang-Hyun Kim
- HIRA Research Institute, Health Insurance Review & Assessment Service, Wonju, Korea
| | - Ho Kyung Sung
- National Emergency Medical Center, National Medical Center, Seoul, Korea
| | - Myoung-Don Oh
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea.
| | - Jin Yong Lee
- HIRA Research Institute, Health Insurance Review & Assessment Service, Wonju, Korea
- Department of Health Policy and Management, Seoul National University College of Medicine, Seoul, Korea
- Public Healthcare Center, Seoul National University Hospital, Seoul, Korea.
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Chawla D, Benitez A, Xu H, Whitehill V, Tadesse-Bell S, Shapiro A, Ramirez E, Scherer K, Foschini L, Drawnel F, Clinch B, Prunotto M, Ukachukwu V. Predictors of Seeking Care for Influenza-Like Illness in a Novel Digital Study. Open Forum Infect Dis 2022; 10:ofac675. [PMID: 36686628 PMCID: PMC9850268 DOI: 10.1093/ofid/ofac675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 12/20/2022] [Indexed: 12/24/2022] Open
Abstract
Background Previous research has estimated that >50% of individuals experiencing influenza-like illness (ILI) do not seek health care. Understanding factors influencing care-seeking behavior for viral respiratory infections may help inform policies to improve access to care and protect public health. We used person-generated health data (PGHD) to identify factors associated with seeking care for ILI. Methods Two observational studies (FluStudy2020, ISP) were conducted during the United States 2019-2020 influenza season. Participants self-reported ILI symptoms using the online Evidation platform. A log-binomial regression model was used to identify factors associated with seeking care. Results Of 1667 participants in FluStudy2020 and 47 480 participants in ISP eligible for analysis, 518 (31.1%) and 11 426 (24.1%), respectively, sought health care. Participants were mostly female (92.2% FluStudy2020, 80.6% ISP) and aged 18-49 years (89.6% FluStudy2020, 89.8% ISP). In FluStudy2020, factors associated with seeking care included having health insurance (risk ratio [RR], 2.14; 95% CI, 1.30-3.54), more severe respiratory symptoms (RR, 1.53; 95% CI, 1.37-1.71), and comorbidities (RR, 1.37; 95% CI, 1.20-1.58). In ISP, the strongest predictor of seeking care was high symptom number (RR for 6/7 symptoms, 2.14; 95% CI, 1.93-2.38). Conclusions Using PGHD, we confirmed low rates of health care-seeking behavior for ILI and show that having health insurance, comorbidities, and a high symptom burden were associated with seeking health care. Reducing barriers in access to care for viral respiratory infections may lead to better disease management and contribute to protecting public health.
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Affiliation(s)
- Devika Chawla
- Genentech, Inc., South San Francisco, California, USA
| | - Alejandra Benitez
- Correspondence: Alejandra Benitez, PhD , Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080 ()
| | - Hao Xu
- F. Hoffmann-La Roche Ltd, Mississauga, Ontario, Canada
| | | | | | | | | | | | | | | | - Barry Clinch
- Roche Products Ltd, Welwyn Garden City, United Kingdom
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