What question did this study set out to answer?

Evaluate the prognostic value of the red cell distribution width-to-albumin ratio in COVID-19 pneumonia.

February 12, 2026Virology Journal0 citationsOpen Access

The prognostic value of red cell distribution width-to-albumin ratio (RAR) in COVID-19 pneumonia: implications for early diagnosis

HHHeming HuangTongji University WXWenying XuTongji University YWYang WangTongji University

Key Points

Evaluate the prognostic value of the red cell distribution width-to-albumin ratio in COVID-19 pneumonia.
Analyze the relationship between RAR and COVID-19 pneumonia severity
Assess the age-mediation effect on RAR levels
Conduct statistical analysis to validate findings
RAR shows potential as a biomarker for early detection
Elevated RAR correlates with increased disease severity
Elderly individuals with high RAR demonstrate greater risk for complications

Abstract

RAR represents a promising biomarker for the early detection and risk stratification of COVID-19 pneumonia. By simultaneously capturing hematologic and metabolic disturbances, RAR provides a more comprehensive reflection of disease severity. The observed age-mediation effect suggests that elderly individuals with elevated RAR may face heightened risk, warranting enhanced clinical monitoring or prioritized intervention.

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