Figure 3From: Relationship between intraoperative regional cerebral oxygen saturation trends and cognitive decline after total knee replacement: a post-hoc analysis Least mean squares estimates of regional cerebral oxygen saturation (rSO 2 ) in each hemisphere over time in patients with no cognitive changes (NC) and in the two patients who developed only visual-motor and executive function (VM-EF) decline. Ind = induction. Tourn = tourniquet. Postop = postoperative.Back to article page