Mortality and Severity in COVID-19 Patients on ACEIs & ARBs - A Meta-Regression Analysis
Abstract
Purpose
The primary objective of this review is to examine studies reporting association of mortality in COVID-19 patients with whether they were on Angiotensin-converting-enzyme inhibitors (ACEIs) and Angiotensin II receptor blockers (ARBs). A secondary objective is to similarly access associations with higher severity of the disease in COVID-19 patients.
Materials and Methods
We searched multiple COVID-19 databases (WHO, CDC, LIT-COVID) for randomized trials and longitudinal studies from all over the world reporting mortality and severity published before January 18 th , 2021. Meta-analyses were performed using 53 studies for mortality outcome and 43 for the severity outcome. Mantel-Haenszel odds ratios were generated to describe overall effect size using random effect models. To account for between study results variations, multivariate meta-Regression was performed with preselected covariates using maximum likelihood method for both the mortality and severity models.
Result
Our findings showed that the use of ACEIs/ARBs did not significantly influence either mortality (OR=1.16 95% CI 0.94 to 1.44, p= 0.15, I 2 = 93.2%) or severity (OR=1.18, 95% CI 0.94 to 1.48 p= 0.15, I 2 = 91.1%) in comparison to not being on ACEIs/ARBs in COVID-19 positive patients. Multivariate meta-regression for the mortality model demonstrated that 36% of between study variations could be explained by differences in age, gender, and proportion of heart diseases in the study samples. Multivariate meta-regression for the severity model demonstrated that 8% of between study variations could be explained by differences in age, proportion of diabetes, heart disease and study country in the study samples.
Conclusion
We found no association of mortality or severity in COVID-19 patients taking ACEIs/ARBs.
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