2020
DOI: 10.1371/journal.pone.0233147
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Prevalence, Severity and Mortality associated with COPD and Smoking in patients with COVID-19: A Rapid Systematic Review and Meta-Analysis

Abstract: BackgroundCoronavirus disease 2019 is an evolving infectious disease that dramatically spread all over the world in the early part of 2020. No studies have yet summarized the potential severity and mortality risks caused by COVID-19 in patients with chronic obstructive pulmonary disease (COPD), and we update information in smokers. MethodsWe systematically searched electronic databases from inception to March 24, 2020. Data were extracted by two independent authors in accordance with the Preferred Reporting I… Show more

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Cited by 675 publications
(461 citation statements)
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References 44 publications
(46 reference statements)
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“…Data from the he Chinese Center for Disease Control and Prevention showed increased case fatality rate among patients with preexisting comorbid conditions-10.5% for cardiovascular disease, 7.3% for diabetes, 6.3% for chronic respiratory disease, 6.0% for hypertension, and 5.6% for cancer [20]. Especially, our findings highlight that patients with a BMI � 40 kg/m 2 or who smoked did not feel at risk nor took extra precautions when in contact with other people despite these two factors being associated with risk of severe complications and mortality from COVID-19 [21,22].…”
Section: Discussionmentioning
confidence: 69%
“…Data from the he Chinese Center for Disease Control and Prevention showed increased case fatality rate among patients with preexisting comorbid conditions-10.5% for cardiovascular disease, 7.3% for diabetes, 6.3% for chronic respiratory disease, 6.0% for hypertension, and 5.6% for cancer [20]. Especially, our findings highlight that patients with a BMI � 40 kg/m 2 or who smoked did not feel at risk nor took extra precautions when in contact with other people despite these two factors being associated with risk of severe complications and mortality from COVID-19 [21,22].…”
Section: Discussionmentioning
confidence: 69%
“…COPD is a condition that predisposes COVID-19 patients to worse clinical outcomes [76]. Smokers and individuals with COPD have increased airway expression of the ACE2 receptor for SAR-CoV-2 [77].…”
Section: Pulmonary Disease and Covid-19mentioning
confidence: 99%
“…Preventive methods for this pandemic, such as physical/social distancing, lockdowns, self-isolation, and quarantine, may increase exposure to NCD risk factors, such as the increased use of tobacco products and alcohol as coping strategies (34), increased reliance on unhealthy processed foods and barriers to physical activities (34), which lead to weight gain (31). These factors increase the incidence of NCDs and related mortality (35). Moreover, financial crises and the lack of social contact might enhance the burden of anxiety and depression among PLWNCDs.…”
Section: Covid-19 and Exposure To Ncd Risk Factorsmentioning
confidence: 99%