2.2 Study selection criteria:
The studies were included on basis of the inclusion and exclusion
criteria. The inclusion criteria considered in the selection of studies
were adult COVID-19 patients (aged 18 years or above), infection of
COVID-19 confirmed through rapid antigen test or RT-PCR, the
corticosteroid therapy given in at least one arm of the treatment. The
exclusion criteria considered for selection of studies were review
articles, case reports, editorials, and studies having only in-vitro or
preclinical data and published in other than English language,.