A Retrospective Observational Study to Compare the Clinical and Laboratory Parameters of Patients Requiring Hospitalization during 3rd Wave vs 2nd Wave of Coronavirus Disease 2019.

Following the outbreak of coronavirus in Wuhan, China in 2019, there has been multiple waves of different variants of COVID-19 throughout the world in the continuum of a pandemic. This study aims to compare different clinical and laboratory parameters of hospitalized patients in Omicron-driven 3rd wave vs Delta-driven 2nd wave in India. This was a retrospective cross-sectional observational study that was done in the Department of General Medicine, Mahatma Gandhi Hospital, Dr S N Medical College, Jodhpur (Rajasthan).