COVID-19 Research Paper Volume 12, Issue 14 pp 13849—13859

High neutrophil-to-lymphocyte ratio associated with progression to critical illness in older patients with COVID-19: a multicenter retrospective study

Figure 1. Association between the neutrophil-to-lymphocyte ratio (NLR) and progression to critical illness. (A) Adjusted hazard ratio (HR) for progression to critical illness according to the NLR. (B) Cumulative probability of progression to critical illness with increasing NLR values.