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Relationship between LP ratio and CPP (mm Hg, binned) depending upon the state of cerebrovascular pressure reactivity and microdialysis catheter location. Black squares and circles represent preserved (PRx<0.2) and white circles represent deranged cerebrovascular pressure reactivity (PRx>0.2). (A) Observed values; (B) Values predicted by mixed linear model after adjusting for within-patient variability and covariates.
