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Oblitas CM, Galeano-Valle F, Cuenca-Carvajal C, Piqueras-Ruiz S, Alonso-Beato R, Alejandre-de-Oña Á, Carrascosa-Fernández P, Chacón Moreno AD, Parra-Virto A, Pérez Sanz MT, Abarca Casas L, Millán-Nohales C, Álvarez-Sala-Walther L, Demelo-Rodríguez P. Evaluation of simple laboratory parameters in SARS-CoV-2 infection: the role of ratios. Infect Dis (Lond) 2022; 54:924-933. [PMID: 36221980 DOI: 10.1080/23744235.2022.2131902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
BACKGROUND The real predictive prognostic capacity of cellular indices (or ratios) is unclear in SARS-CoV-2 infection. This study aimed to assess the prognostic role of previously well-known laboratory indices and new ones in hospitalized COVID-19 patients. METHODS A retrospective observational study from March to May 2022 evaluated laboratory indices on admission (neutrophil to lymphocyte-, derived neutrophil to lymphocyte-, platelet to lymphocyte-, CRP to lymphocyte-, CRP to albumin-, fibrinogen to lymphocyte-, d-dimer to lymphocyte-, ferritin to lymphocyte-, LDH to lymphocyte-, and IL-6 to lymphocyte ratios), in patients hospitalized due to SARS-CoV2 infection to determine the association with mortality, admission to an intensive care unit (ICU), need for non-invasive mechanical ventilation (NIMV), orotracheal intubation (OTI), or combined event at 30 days follow-up. RESULTS A total of 1113 COVID-19 patients were evaluated with a mean age of 64.1 ± 15.9 years (58.49% male), 166 (14.91%) patients died, 58 (5.21%) required ICU admission, 73 (6.56%) needed NIMV, 46 (4.23%) needed OTI, and 247 (22.19%) presented the combined event. All the ratios evaluated in this study showed statistical significance in the univariate analysis for mortality and combined event; however, only d-dimer to lymphocyte ratio >0.6 presented an independent association in the multivariate analysis for 30-day mortality (adjusted OR 2.32; p = .047) and 30-day combined event (adjusted OR 2.62; p = .014). CONCLUSIONS Laboratory indices might be a potential biomarker for better prognosis stratification in hospitalized COVID-19 patients. d-Dimer to lymphocyte ratio presents an independent association for 30-day mortality and 30-day adverse outcomes in hospitalized COVID-19 patients.
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Affiliation(s)
- Crhistian-Mario Oblitas
- Internal Medicine Department, General University Hospital Gregorio Marañón, Madrid, Spain.,Venous Thromboembolism Unit, Internal Medicine, Madrid, Spain.,School of Medicine, University Complutense of Madrid, Spain.,Sanitary Research Institute Gregorio Marañón, Madrid, Spain
| | - Francisco Galeano-Valle
- Internal Medicine Department, General University Hospital Gregorio Marañón, Madrid, Spain.,Venous Thromboembolism Unit, Internal Medicine, Madrid, Spain.,School of Medicine, University Complutense of Madrid, Spain.,Sanitary Research Institute Gregorio Marañón, Madrid, Spain
| | - Carmen Cuenca-Carvajal
- Internal Medicine Department, General University Hospital Gregorio Marañón, Madrid, Spain.,School of Medicine, University Complutense of Madrid, Spain
| | - Sandra Piqueras-Ruiz
- Internal Medicine Department, General University Hospital Gregorio Marañón, Madrid, Spain
| | - Rubén Alonso-Beato
- Internal Medicine Department, General University Hospital Gregorio Marañón, Madrid, Spain.,Venous Thromboembolism Unit, Internal Medicine, Madrid, Spain.,School of Medicine, University Complutense of Madrid, Spain
| | | | | | | | - Alejandro Parra-Virto
- Internal Medicine Department, General University Hospital Gregorio Marañón, Madrid, Spain
| | | | - Laura Abarca Casas
- Internal Medicine Department, General University Hospital Gregorio Marañón, Madrid, Spain
| | - Clara Millán-Nohales
- Internal Medicine Department, General University Hospital Gregorio Marañón, Madrid, Spain
| | - Luis Álvarez-Sala-Walther
- Internal Medicine Department, General University Hospital Gregorio Marañón, Madrid, Spain.,Venous Thromboembolism Unit, Internal Medicine, Madrid, Spain.,School of Medicine, University Complutense of Madrid, Spain.,Sanitary Research Institute Gregorio Marañón, Madrid, Spain
| | - Pablo Demelo-Rodríguez
- Internal Medicine Department, General University Hospital Gregorio Marañón, Madrid, Spain.,Venous Thromboembolism Unit, Internal Medicine, Madrid, Spain.,School of Medicine, University Complutense of Madrid, Spain.,Sanitary Research Institute Gregorio Marañón, Madrid, Spain
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