International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Call for Papers | Fully Refereed | Open Access | Double Blind Peer Reviewed

ISSN: 2319-7064


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Research Paper | Biochemistry | India | Volume 11 Issue 3, March 2022


A Study of D-Dimer Levels with and without Co-Morbidities as a Prognostic Marker for Disease Severity in COVID-19 Patients

Dr. Falak Fatima | Dr. Sujatha Rani [2]


Abstract: Background: A novel coronavirus COVID-19 pandemic called SARS-CoV-2 is defining global health crisis of our time and has resulted in the outbreak of respiratory illness. Coagulation system is active in critically ill patients and D-dimer levels co-relate with activation of pro-inflammatory cytokine cascade. As COVID-19 is caused by severe respiratory syndrome coronavirus 2, increased D-dimer were reported in corona like infections due to activation of Coagulation by respiratory viruses. Elevated D-dimer following anticoagulation for thrombotic event indicates increased risk of recurrent thrombosis. Objectives: To assess the levels of D-Dimer in COVID-19 patients with and without co-morbidities. Methodology: This is an observational study done for about 40 confirmed cases of COVID-19 in the month of August 2020to September 2020. D-dimer values were determined in an age groups 30-60years including male and female patients with and without co-morbidities like Diabetes, Hypertension. Results: In my study population of 40 patients ? 50%i. e., 20 patients were with co-morbidities and 50% i. e., 20 patients were without co-morbidities. Among patients with co-morbidities, D-dimer levels observed were <500 ng/ml in about 5%, 500-1000 ng/ml in 55%, and >1000 ng/ml in 40% when compared with that of patients without co-morbidities, D-dimer levels observed were <500 ng/ml in 90%, 500-1000 ng/ml in 10% and >1000 ng/ml in 0%. p value is estimated as (p=0.007) which is statistically significant. Conclusion: We have come to conclusion that D-dimer levels were markedly elevated in COVID-19 patients with co-morbidities when compared with that of COVID-19 patients without co-morbidities.


Keywords: COVID-19, SARS-COV-2, Severe Respiratory Syndrome Coronavirus-2, Comorbidities, Diabetes, Hypertension, Cytokine Cascade


Edition: Volume 11 Issue 3, March 2022,


Pages: 753 - 755


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