Fig. 4
From: Long COVID: lung pathophysiology and its relationship with cognitive dysfunction
Relationships between pulmonary gas exchange, sleep disturbance, and brain perfusion. Top row: PROMIS sleep disturbance is inversely correlated with RBC: Mem (ρ = −0.54, p = 0.09) and RBC: Gas (ρ = −0.91, p < 0.001). High PROMIS sleep disturbance scores indicate worse sleep quality. Bottom row: CP is inversely correlated with RBC: Mem (ρ=−0.699, p = 0.036) and RBC: Gas (ρ=−0.701, p = 0.035). Correlations are spearman partial correlations controlling for age. Abbreviations: RBC = red blood cell; Mem = membrane; CP = cerebral perfusion.
