Association of smoking and severity of Covid-19 infection among 5,889 patients in Malaysia: a multi-center observational study

Objective: This study aims to investigate the association between smoking and the severity of COVID-19 infection during the initial wave of this pandemic in Malaysia. Methods: This is a multi-center observational study using secondary hospital data collected retrospectively from February 1, 2020,...

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Main Authors: Ismail, Norliana, Hassan, Noraryana, Abd Hamid, Muhammad Hairul Nizam, Yusoff, Ummi Nadiah, Khamal, Noor Raihan, Omar, Mohd Azahadi, Xin, Ci Wong, Pathmanathan, Mohan Dass, Mohd Zin, Shahanizan, Muhammad Zin, Faizah, Nik Mohamed, Mohamad Haniki, Mohd Nor, Norashidah
格式: Article
語言:English
English
出版: Elsevier B.V. 2022
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在線閱讀:http://irep.iium.edu.my/96826/2/Association%20of%20smoking%20and%20severity%20of%20Covid-19_SCOPUS.pdf
http://irep.iium.edu.my/96826/13/96826_Association%20of%20smoking%20and%20severity%20of%20Covid-19.pdf
http://irep.iium.edu.my/96826/
https://www.ijidonline.com/action/showPdf?pii=S1201-9712%2822%2900012-1
https://doi.org/10.1016/j.ijid.2022.01.011
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總結:Objective: This study aims to investigate the association between smoking and the severity of COVID-19 infection during the initial wave of this pandemic in Malaysia. Methods: This is a multi-center observational study using secondary hospital data collected retrospectively from February 1, 2020, until May 30, 2020. Clinical records of all real-time polymerase chain reaction (RT-PCR)-confirmed COVID-19 cases with smoking status, co-morbidities, clinical features, and disease management were retrieved. Severity was assessed by the presence of complications and outcomes of COVID-19 infection. Logistic regression was used to determine the association between COVID-19 disease severity and smoking status. Results: A total of 5,889 COVID-19 cases were included in the analysis. Ever smokers had a higher risk of having COVID-19 complications, such as acute respiratory distress syndrome (odds ratio [OR] 1.69; 95% confidence interval [CI] 1.09-2.55), renal injury (OR 1.55; 95% CI 1.10-2.14), and acute liver injury (OR 1.33; 95% CI 1.01-1.74), compared with never smokers. However, in terms of disease outcomes, there were no differences between the two groups. Conclusion: Although no significant association was found in terms of disease outcomes, smoking is associated with a higher risk of having complications owing to COVID-19 infection.