Significance of hematologic abnormalities in COVID-19 severity among infected patients in Lagos, Nigeria
© The Author(s) 2022..
Background: There have been suggestions that hematologic abnormalities in COVID-19 are linked with the progression and severity of diseases and mortality. Lymphopenia, sepsis, and thrombocytopenia were highly reported in patients with COVID-19. This study investigated the significance of hematologic abnormalities in patients with COVID-19 in Lagos, Nigeria, and its potential as a diagnostic tool for COVID-19 severity.
Results: This was a retrospective observational study with a total of 340 patients with COVID-19 (236 patients included in the analysis). These patients were categorized into two groups, comprising 71 patients with severe COVID-19 (SCP) and 165 patients with non-severe COVID-19 (NSCP). The majority were males in both categories (SCP 74.6% and NSCP 63.6%). The mean ± SD ages for SCP and NSCP were 52.28 ± 16.87 and 42.44 ± 17.18 years, respectively. The SCP (52.1%) and NSCP (20.0%) had underlying health conditions. The SCP exhibited significantly higher neutrophil counts (P < 0.05) and significantly lower mean hemoglobin, red blood cell (RBC), packed cell volume (PCV), and lymphocyte values (P < 0.05). Anemia and lymphocytopenia were more prominent in the SCP group than in the NSCP group (P < 0.05). Hemoglobin, RBC, PCV, and lymphocytes were inversely correlated with age-group in the SCP, while only lymphocytes and platelets were inversely correlated with age-group in the NSCP. The highest area under the ROC curve (AUC) for neutrophils was 0.739 with a sensitivity of 62.0% and specificity of 80.0%, while white blood cells had an AUC of 0.722 with a sensitivity of 73.2% and specificity of 61.2%. The AUC for neutrophil-lymphocyte ratio (NLR) was 0.766 with a sensitivity of 63.3% and specificity of 83.5%, while that for the platelet-lymphocyte ratio (PLR) was 0.695 with a sensitivity and specificity of 61.7% and 77.8%.
Conclusions: COVID-19 affected the levels of hemoglobin, RBC, PCV, and lymphocytes in the blood, and the differences were significant between the SCP and NSCP. The significant changes in neutrophil and lymphocyte counts may be useful in the prognosis and management of COVID-19 severity in hospital settings. Furthermore, NLR and PLR may be used in the prognosis and management of severe COVID-19 infection, as well as provide an objective basis for early identification and management in low-resource settings.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:46 |
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| Enthalten in: |
Bulletin of the National Research Centre - 46(2022), 1 vom: 02., Seite 275 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Amoo, Olufemi S [VerfasserIn] |
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| Links: |
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| Themen: |
Anemia |
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| Anmerkungen: |
Date Revised 07.12.2022 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1186/s42269-022-00959-x |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM349873550 |
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| 100 | 1 | |a Amoo, Olufemi S |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Significance of hematologic abnormalities in COVID-19 severity among infected patients in Lagos, Nigeria |
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| 500 | |a Date Revised 07.12.2022 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a © The Author(s) 2022. | ||
| 520 | |a Background: There have been suggestions that hematologic abnormalities in COVID-19 are linked with the progression and severity of diseases and mortality. Lymphopenia, sepsis, and thrombocytopenia were highly reported in patients with COVID-19. This study investigated the significance of hematologic abnormalities in patients with COVID-19 in Lagos, Nigeria, and its potential as a diagnostic tool for COVID-19 severity | ||
| 520 | |a Results: This was a retrospective observational study with a total of 340 patients with COVID-19 (236 patients included in the analysis). These patients were categorized into two groups, comprising 71 patients with severe COVID-19 (SCP) and 165 patients with non-severe COVID-19 (NSCP). The majority were males in both categories (SCP 74.6% and NSCP 63.6%). The mean ± SD ages for SCP and NSCP were 52.28 ± 16.87 and 42.44 ± 17.18 years, respectively. The SCP (52.1%) and NSCP (20.0%) had underlying health conditions. The SCP exhibited significantly higher neutrophil counts (P < 0.05) and significantly lower mean hemoglobin, red blood cell (RBC), packed cell volume (PCV), and lymphocyte values (P < 0.05). Anemia and lymphocytopenia were more prominent in the SCP group than in the NSCP group (P < 0.05). Hemoglobin, RBC, PCV, and lymphocytes were inversely correlated with age-group in the SCP, while only lymphocytes and platelets were inversely correlated with age-group in the NSCP. The highest area under the ROC curve (AUC) for neutrophils was 0.739 with a sensitivity of 62.0% and specificity of 80.0%, while white blood cells had an AUC of 0.722 with a sensitivity of 73.2% and specificity of 61.2%. The AUC for neutrophil-lymphocyte ratio (NLR) was 0.766 with a sensitivity of 63.3% and specificity of 83.5%, while that for the platelet-lymphocyte ratio (PLR) was 0.695 with a sensitivity and specificity of 61.7% and 77.8% | ||
| 520 | |a Conclusions: COVID-19 affected the levels of hemoglobin, RBC, PCV, and lymphocytes in the blood, and the differences were significant between the SCP and NSCP. The significant changes in neutrophil and lymphocyte counts may be useful in the prognosis and management of COVID-19 severity in hospital settings. Furthermore, NLR and PLR may be used in the prognosis and management of severe COVID-19 infection, as well as provide an objective basis for early identification and management in low-resource settings | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Anemia | |
| 650 | 4 | |a COVID-19 | |
| 650 | 4 | |a Lymphocytopenia | |
| 650 | 4 | |a Neutrophilia | |
| 650 | 4 | |a Prognosis | |
| 650 | 4 | |a Severity | |
| 700 | 1 | |a Onyia, Ngozi |e verfasserin |4 aut | |
| 700 | 1 | |a Onuigbo, Tochukwu I |e verfasserin |4 aut | |
| 700 | 1 | |a Vitalis, Stephanie U |e verfasserin |4 aut | |
| 700 | 1 | |a Davies-Bolorunduro, Olabisi F |e verfasserin |4 aut | |
| 700 | 1 | |a Oraegbu, Joy I |e verfasserin |4 aut | |
| 700 | 1 | |a Adeniji, Esther T |e verfasserin |4 aut | |
| 700 | 1 | |a Obi, Josephine C |e verfasserin |4 aut | |
| 700 | 1 | |a Abodunrin, Olusola N |e verfasserin |4 aut | |
| 700 | 1 | |a Ikemefuna, Amaka S |e verfasserin |4 aut | |
| 700 | 1 | |a Adegbola, Richard A |e verfasserin |4 aut | |
| 700 | 1 | |a Audu, Rosemary A |e verfasserin |4 aut | |
| 700 | 1 | |a Salako, Babatunde L |e verfasserin |4 aut | |
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