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Year : 2022  |  Volume : 9  |  Issue : 1  |  Page : 73-77

Role of hematological and inflammatory markers in early diagnosis and severity of COVID-19 disease

Department of Pathology, Teerthanker Mahaveer Medical College and Research Center, Moradabad, Uttar Pradesh, India

Correspondence Address:
Dr. Ankita Mittal
Associate Professor, Department of Pathology, Teerthanker Mahaveer Medical College & Research Centre, Moradabad - 244 001, Uttar Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/amit.amit_39_22

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Background: COVID-19 virus, causing severe acute respiratory illness (SARS-CoV-2), was declared as a pandemic by the WHO in March 2020, after its first outbreak in China at the end of 2019. The major purpose is to establish the role of a hematological and inflammatory markers in early diagnosis of COVID-19 illness and its relationship with the disease severity. Materials and Methods: The study was performed in a tertiary care center from April to September 2020. The study included 150 hospitalized COVID-19 Reverse transcription-polymerase chain reaction positive patients. According to ICMR standards, research patients were grouped into mild, moderate, and severe categories depending on clinical evaluation. Different laboratory parameters complete blood counts, prothrombin time (PT), activated partial thromboplastin time (APTT), d-dimer, serum ferritin, C-reactive protein (CRP), and mean results are compared among the patient in three disease severity groups. Results: In the studied population, there were 106 (70.7%) males and 44 (29.3%) females. The average age of the research participants was 48.40 ± 11.50 (21–75 years), with majority of patients being old (>60 years). Hematological markers such as total leukocyte count, Neutrophil-to-lymphocyte ratio (NLR), and platelet lymphocyte ratio (PLR) and the levels of PT, APTT, and D-dimer, as well as ferritin and CRP, all were considerably high with different groups of disease severity (P = 0.001). Conclusion: The study concluded that patients of severe disease category have significantly higher levels of leukocytosis, neutrophilia, elevated NLR, PLR, PT, APTT, D-dimer, serum ferritin, and CRP. Hematological and coagulation symptoms are associated with COVID-19 illness, and these indicators might be employed as a prognosticator for prediction of early disease severity.

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