Review Criteria:
- A web-based search was conducted using the Cochrane library, PubMed,
Embase, ClinicalTrial.gov and medRxiv using specific keywords.
- Narrowing down of the citations was done based on full text
availability and a set of pre-determined inclusion criteria.
- Meta-analysis was conducted on the pooled data comparing ACEi/ARB
group versus the non-ACEi/ARB group on death, severity of disease and
hospitalization using the CMA software version 3, Biostat Inc.,
Englewood, NJ, USA.
- Effect size was reported as odds ratio with a 95% confidence interval
and the degree of heterogeneity of the pooled data.