Publication: Patients with asthma have a higher risk of systemic lupus erythematosus: a systematic review and meta-analysis
Issued Date
2020-01-01
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ISSN
14349949
07703198
07703198
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2-s2.0-85087611304
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Mahidol University
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SCOPUS
Bibliographic Citation
Clinical Rheumatology. (2020)
Suggested Citation
Nipith Charoenngam, Ben Ponvilawan, Wasit Wongtrakul, Patompong Ungprasert Patients with asthma have a higher risk of systemic lupus erythematosus: a systematic review and meta-analysis. Clinical Rheumatology. (2020). doi:10.1007/s10067-020-05279-x Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/58281
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Title
Patients with asthma have a higher risk of systemic lupus erythematosus: a systematic review and meta-analysis
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Abstract
© 2020, International League of Associations for Rheumatology (ILAR). Objective: This study aimed to investigate the association between asthma and risk of systemic lupus erythematosus (SLE) using systematic review and meta-analysis technique. Methods: Potentially eligible studies were identified from Medline and EMBASE databases from inception to March 2020 using search strategy that comprised of terms for “asthma” and “systemic lupus erythematosus.” Qualified cohort study must consist of one cohort of patients with asthma and another cohort of individuals without asthma. Then, the study must report relative risk (RR) with 95% confidence intervals (95% CIs) of incident SLE between the two groups. Qualified case–control studies must consist of cases with SLE and controls without SLE. Then, the study must explore their history of asthma. Odds ratio (OR) with 95% CIs of the association between asthma status and SLE must be reported. Point estimates and standard errors were extracted from each study and were combined using the generic inverse variance method. Results: A total of 21,486 articles were identified. After two rounds of independent review by three investigators, three cohort studies and seven case–control studies met the eligibility criteria and were included into the meta-analysis. Patients with asthma had a significantly higher risk of SLE compared with individuals without asthma with the pooled odds ratio of 1.37 (95% CI 1.14–1.65; I2 67%). Funnel plot was symmetric and did not suggest the presence of publication bias. Conclusions: The current study found a significant association between asthma and increased risk of SLE.Key Points• Studies have suggested an elevated risk of systemic lupus erythematosus among patients with asthma; however, the results from existing studies are inconsistent.• This meta-analysis included data from three cohort studies and seven case-–control studies.• A significant association between asthma and elevated risk of systemic lupus erythematosus was observed, with the pooled odds ratio of 1.37 (95% CI 1.14–1.65; I267%).