Epidemiological and clinical characteristics of coronavirus disease 2019 in Daegu, South Korea

Lee, Ji yeon; Hong, Seung Wan; Hyun, Miri; Park, Jae Seok; Lee, Jae Hyuck; Suh, Young Sung; Kim, Dae Hyun; Han, Seungyeup; Cho, Chi Heum; Kim, Hyun ah

doi:10.1016/j.ijid.2020.07.017

Cited by 65 publications

(55 citation statements)

References 15 publications

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“…A total of 5,332 records were excluded after screening the titles/abstracts because they did not match our inclusion and exclusion criteria. After evaluating 38 full-texts for eligibility, 6 full-text articles were excluded because they do not have the control/comparison group, 5 full-text articles were excluded because they do not have the outcome of interest (risk of COVID-19 infection, severe COVID-19, and mortality), 3 full-text articles were excluded because the articles were not in English, and finally, 24 studies ( Atkins et al, 2020 , Bianchetti et al, 2020 , Covino et al, 2020 , Docherty et al, 2020 , Giorgi Rossi et al, 2020 , Harrison et al, 2020 , Hong et al, 2020 , Hwang et al, 2020 , Jang et al, 2020 , Ji et al, 2020 , Kabarriti et al, 2020 , Knights et al, 2020 , Kokoszka-Bargieł et al, 2020 , Lee et al, 2020 , Miyashita et al, 2020 , Mohamed et al, 2020t , Moon et al, 2020 , Nystad et al, 2020 , Poblador-Plou et al, 2020 , Rozenfeld et al, 2020 , Sapey et al, 2020 , Sung et al, 2020 , Wan et al, 2020 , Yang et al, 2020 ) with a total of 4,648,247 sample size and 46,391 dementia patients were included in the meta-analysis ( Figure 1 ). Of a total of 24 included studies, 21 were retrospective cohort, 2 studies were prospective cohort, while the remaining 1 study was a case-control study.…”

Section: Resultsmentioning

confidence: 99%

Dementia and outcomes from coronavirus disease 2019 (COVID-19) pneumonia: A systematic review and meta-analysis

Hariyanto

Putri

Arisa

et al. 2021

Archives of Gerontology and Geriatrics

107

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Section: Resultsmentioning

confidence: 99%

Dementia and outcomes from coronavirus disease 2019 (COVID-19) pneumonia: A systematic review and meta-analysis

Hariyanto

Putri

Arisa

et al. 2021

Archives of Gerontology and Geriatrics

107

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“…In total, 78 studies were included to calculate the prevalence of headache in COVID-19 and all studies were published in 2020. The studies were conducted in Brazil 50 , China 13,51-96 , Egypt 97 , France 98-101 , Germany 102 , India 103,104 , Italy [105][106][107][108][109][110][111] , Japan 112,113 , Jordan 114 , Somalia 115 , South Korea 116,117 , Spain 118,119 , Turkey 120,121 , and the US [122][123][124][125][126] . Two studies were cross-sectional 119,122 , five were prospective cohort studies 65,90,98,110,121 and the remaining 71 studies were retrospective studies.…”

Section: Study Eligibility Resultsmentioning

confidence: 99%

“…Another study which involved 46 patients reported that 40 (86%) had tension-type pain and 6 (14%) had migraine-like headache 107 . Data from 18 studies indicated that 72.17% (236/327) of headaches were reported in mild-moderate COVID-19 cases 51,53,55-58,62,63,67,76,88,92-97, 117 . The prevalence of headache in severe COVID-19 cases from 15 studies was 27.83% (86/309) 53,55,57,58,62,63,73,76,88,92,93,95-97,117 .…”

Section: Study Eligibility Resultsmentioning

confidence: 99%

Global prevalence and pathogenesis of headache in COVID-19: A systematic review and meta-analysis

et al. 2020

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Background: This study was conducted to determine the prevalence of headache in coronavirus disease 2019 (COVID-19) and to assess its association as a predictor for COVID-19. This study also aimed to discuss the possible pathogenesis of headache in COVID-19. Methods: Available articles from PubMed, Scopus, and Web of Science were searched as of September 2nd, 2020. Data on characteristics of the study, headache and COVID-19 were extracted following the PRISMA guidelines. Biases were assessed using the Newcastle-Ottawa scale. The cumulative prevalence of headache was calculated for the general population (i.e. adults and children). The pooled odd ratio (OR) with 95% confidence intervals (95%CI) was calculated using the Z test to assess the association between headache and the presence of COVID-19 cases. Results: We included 104,751 COVID-19 cases from 78 eligible studies to calculate the global prevalence of headache in COVID-19 and 17 studies were included to calculate the association of headache and COVID-19. The cumulative prevalence of headache in COVID-19 was 25.2% (26,464 out of 104,751 cases). Headache was found to be more prevalent, approximately by two-fold, in COVID-19 patients than in non-COVID-19 patients with symptoms of other respiratory viral infections, OR: 1.73; 95% CI: 1.94, 2.5 with p=0.04. Conclusion: Headache is common among COVID-19 patients and seems to be more common in COVID-19 patients compared to those with the non-COVID-19 viral infection. No definitive mechanisms on how headache emerges in COVID-19 patients but several possible hypotheses have been proposed. However, extensive studies are warranted to elucidate the mechanisms. PROSPERO registration: CRD42020210332 (28/09/2020)

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“…A study with COVID-19 with Daegu population was published and reported that mortality as 2.6% (18/694) and significant risk factors for severe disease were lymphopenia, lactate dehydrogenase, C-reactive protein, and low albumin in the study. 28 However, the study was conducted with univariate analysis. 28 A study with COVID-19 with 352 Korean patients (hospitalized in Dongguk University Gyeongju Hospital and the Andong Medical Center) with multi-variable regression analysis reported age (≥ 70 years), a history of malignancy, fever (≥ 37.5°C), and diabetes were significant risk factors of mortality.…”

Section: Discussionmentioning

confidence: 99%

Clinical Characteristics and Outcomes of COVID-19 Cohort Patients in Daegu Metropolitan City Outbreak in 2020

Kim

et al. 2021

J Korean Med Sci

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Background: A coronavirus disease 2019 (COVID-19) outbreak started in February 2020 and was controlled at the end of March 2020 in Daegu, the epicenter of the coronavirus outbreak in Korea. The aim of this study was to describe the clinical course and outcomes of patients with COVID-19 in Daegu. Methods: In collaboration with Daegu Metropolitan City and Korean Center for Diseases Control, we conducted a retrospective, multicenter cohort study. Demographic, clinical, treatment, and laboratory data, including viral RNA detection, were obtained from the electronic medical records and cohort database and compared between survivors and non-survivors. We used univariate and multi-variable logistic regression methods and Cox regression model and performed Kaplan-Meier analysis to determine the risk factors associated with the 28-day mortality and release from isolation among the patients. Results: In this study, 7,057 laboratory-confirmed patients with COVID-19 (total cohort) who had been diagnosed from February 18 to July 10, 2020 were included. Of the total cohort, 5,467 were asymptomatic to mild patients (77.4%) (asymptomatic 30.6% and mild 46.8%), 985 moderate (14.0%), 380 severe (5.4%), and 225 critical (3.2%). The mortality of the patients was 2.5% (179/7,057). The Cox regression hazard model for the patients with available clinical information (core cohort) (n = 2,254) showed the risk factors for 28-day mortality: age > 70 (hazard ratio [HR], 4.219, P = 0.002), need for O 2 supply at admission (HR, 2.995; P = 0.001), fever (> 37.5°C) (HR, 2.808; P = 0.001), diabetes (HR, 2.119; P = 0.008), cancer (HR, 3.043; P = 0.011), dementia (HR, 5.252; P = 0.008), neurological disease (HR, 2.084; P = 0.039), heart failure (HR, 3.234; P = 0.012), and hypertension (HR, 2.160; P = 0.017). The median duration for release from isolation was 33 days (interquartile range, 24.0-46.0) in survivors. The Cox proportional hazard model for the long duration of isolation included severity, age > 70, and dementia. Conclusion: Overall, asymptomatic to mild patients were approximately 77% of the total cohort (asymptomatic, 30.6%). The case fatality rate was 2.5%. Risk factors, including older age, need for O 2 supply, dementia, and neurological disorder at admission, could help clinicians to identify COVID-19 patients with poor prognosis at an early stage.

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Epidemiological and clinical characteristics of coronavirus disease 2019 in Daegu, South Korea

Cited by 65 publications

References 15 publications

Dementia and outcomes from coronavirus disease 2019 (COVID-19) pneumonia: A systematic review and meta-analysis

Dementia and outcomes from coronavirus disease 2019 (COVID-19) pneumonia: A systematic review and meta-analysis

Global prevalence and pathogenesis of headache in COVID-19: A systematic review and meta-analysis

Clinical Characteristics and Outcomes of COVID-19 Cohort Patients in Daegu Metropolitan City Outbreak in 2020

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