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Updated: Nov 18, 2025

Experimental Model to Evaluate Resolution of Pneumonia
Published on: February 17, 2023
Predictors of Poor Outcomes for COVID-19-Associated Pneumonia in a Minority Population
Ibrahim Omore1, Idayat Brimah1, Sulaiman Tijani1
1Internal Medicine, Harlem Hospital Center, New York, USA.
Insights
Higher D-dimer levels and older age were associated with increased mortality in COVID-19 patients. This study highlights key predictors for predicting outcomes in high-risk populations during the pandemic.
Area of Science:
- * Infectious Diseases
- * Critical Care Medicine
- * Biochemistry
Background:
- * The emergence of coronavirus disease 2019 (COVID-19) as a global pandemic presented significant challenges in predicting patient outcomes.
- * Early identification of factors influencing mortality is crucial for effective healthcare management.
Purpose of the Study:
- * To investigate the clinical characteristics of COVID-19 patients admitted to an inner-city hospital in New York City.
- * To assess the correlation between specific inflammatory markers and patient outcomes.
- * To identify predictors of mortality in a high-risk COVID-19 population.
Main Methods:
- * Retrospective analysis of 235 laboratory-confirmed COVID-19 patients with pneumonia admitted between March 19th and April 25th, 2020.
- * Inclusion of patients with documented inflammatory markers: D-dimer, C-reactive protein, lactate dehydrogenase, ferritin, and procalcitonin.
- * Comparison of clinical characteristics and inflammatory marker levels between survivors and non-survivors.
Main Results:
- * The study population was predominantly non-Hispanic Black, with no significant difference in survival rates by race/ethnicity.
- * Patients who died were older on average (69.5 years) compared to survivors (63.8 years) (P = 0.004).
- * Significantly higher D-dimer levels (P = 0.002), increased ICU admission rates (55.4% vs 23.7%), and higher intubation rates (51.8% vs 18.4%) were observed in non-survivors.
Conclusions:
- * Elevated D-dimer levels (specifically >3,000) are significantly associated with increased mortality in COVID-19 patients.
- * Advanced age is a significant risk factor for mortality, ICU admission, and intubation in COVID-19 patients.
- * Inflammatory markers like D-dimer, alongside age and need for critical care, are vital for predicting COVID-19 patient outcomes.
Abstract:
Background In December 2019, an unprecedented outbreak of pneumonia of unknown etiology emerged in Wuhan City, Hubei province in China. A novel coronavirus was identified as the causative agent and was subsequently termed COVID-19 by the World Health Organization (WHO). It rapidly became a pandemic, and it has been a significant challenge to healthcare providers to predict outcomes of the infected patients. Objective The aim of this study was to investigate the clinical characteristics of patients admitted for COVID-19 infection in an Inner-City Hospital in New York City, to assess the correlation between inflammatory markers and outcomes prediction in a high-risk population. Methods We identified 235 patients who were admitted to our Hospital in NYC between March 19th and April 25th, 2020 with laboratory confirmed COVID-19 diagnosis with associated pneumonia and who also had documented inflammatory markers (D-dimer, C-reactive protein, lactate dehydrogenase, ferritin, procalcitonin) during their hospital stay. Results The study population was predominantly non-Hispanic black. There was no statistically significant difference between survivors and non-survivors by race and/or ethnicity (P = 0.69). Thirty-five percent of the patient population had died by the end of this study and those that died had a higher mean age compared to survivors (69.5 ± 13.6 vs 63.8 ± 15.2, P = 0.004). There is a significant difference in the D-dimer levels in patients who survivedwhen compared to those who died (P = 0.002). A higher proportion of patients that died were admitted to the ICU, (23.7% vs 55.4%, P < 0.0001) and/or intubated (18.4% vs 51.8%, P < 0.0001). Conclusion Our study demonstrated that patients who died had a significantly higher D-dimer (>3,000) when compared with survivors. Higher mean age was associated with increased mortality and admission to ICU and/or intubation.
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