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Table 6 Spearman correlation coefficients of biofluids measured on postoperative 1 month (all available data at baseline; n = 40)

From: Plasma and cerebrospinal fluid inflammation and the blood-brain barrier in older surgical patients: the Role of Inflammation after Surgery for Elders (RISE) study

  1. *p < .05, **p < .01
  2. Abbreviations: CRP C-reactive protein, CSF cerebrospinal fluid, IL-6 interleukin-6, YKL-40 chitinase 3-like protein 1 (CHI3L1/YKL-40)
  3. Blue indicates significance (p < .05) within biofluid correlation (i.e., plasma-plasma or CSF-CSF), and red indicates significance between biofluid correlation (i.e., plasma-CSF)