Background: COVID-19 is a viral infectious disease caused by the SARS CoV-2 virus which causes severe
respiratory distress in a certain number of patients with specic risk factors. This study compares the
mortality risk factors of COVID 19 and Severe Acute Respiratory Infection (SARI) deaths and also determines the most likely
causes that lead to such a poor prognosis
Objectives: To evaluate the risk factors of COVID 19 and SARI causing mortality. To compare the most likely risk factors that lead to
such a poor prognosis
Materials And Methods: This was a Cross sectional study done on 190 patients which includes all cases of covid 19 and SARI deaths
within the peak of pandemic period (August 2020). Patient datas were collected from MRD registry at Thanjavur Medical College.
Results: Among the study population of 190, age distribution of the patients died due to covid-19 was minimum 26 years to
maximum 89 years and mean age of 61years. Most commonly affected were in the age around 60years. Distribution of male is
around 72.1%.This study showed 47.9% were covid positive and 42.1% were suspected based on CT chest nding and clinical
features. Around 84.7% were diabetic and 56.3% were hypertensive. There is no signicant difference between the exposure
rate of diabetes, hypertension, CKD, chronic lung disease, cerebrovascular disease, liver disease, malignancy among covid
and SARI group. Among these study population 94.7% had elevated d-dimer level.
Conclusion: This study showed various comorbidities, complications, and demographic variables including diabetes,
hypertension, chronic kidney disease,, chronic lung disease,liver disease, Cerebrovascular disease, cancer, increased D-dimer,
male gender, older age(>50), smoking, and obesity are clinical risk factors for a fatal outcome associated with COVID 19.