Hematological and biochemical parameters as diagnostic and prognostic markers in SARS-COV-2 infected patients of Pakistan: a retrospective comparative analysis.

This study was conducted to investigate alteration in blood parameters and their association with the presence, severity, and mortality of COVID-19 patients as the data on hematological abnormalities associated with the Pakistani COVID-19 patients is limited. A double-centered, hospital-based comparative retrospective case study was conducted, to include all the admitted patients ( = 317) having COVID-19 Polymerase chain reaction (PCR) positive. The control group ( = 157) tested negative for COVID-19.