Fig. 2From: Effect of pre-infusion of hypertonic saline on postoperative delirium in geriatric patients undergoing shoulder arthroscopy: a randomized controlled trialExpression of circulating neutrophil surface markers. The graph shows the percentage of CD11+66+ neutrophils analyzed by flow cytometry pre-operation (b) and 24 h after operation (d). NE: neutrophils, HS: hypertonic saline, NS: normal saline, ***P < 0.001Back to article page