Fig. 2From: Plasma and cerebrospinal fluid inflammation and the blood-brain barrier in older surgical patients: the Role of Inflammation after Surgery for Elders (RISE) studySummary of findings related to the posited hypotheses. Abbreviations: CSF cerebrospinal fluid, IL-6 interleukin-6, Qalb CSF albumin-plasma albumin ratio, PREOP preoperative, PO1MO postoperative 1 month, YKL-40 chitinase 3-like protein 1. *p < .01. Each hypothesis and its associated empirical result are shown in blue for hypothesis 1, green for hypothesis 2a, orange for hypothesis 2b, purple for hypothesis 3a, and red for hypothesis 3bBack to article page