Study population and Design
This retrospective cohort study included adult inpatients (≥18 years
old) from Aga Khan University Hospital, a 700 bedded tertiary academic
medical center in Karachi Pakistan. All adult patients who were
diagnosed with COVID-19 based on PCR positivity for SARS-Cov-2, and
those who died or were discharged between Feb, 2020 and June, 2020, were
included in our study.