Figure 2From: Post cardiac surgery vasoplegia is associated with high preoperative copeptin plasma concentrationCorrelation analysis between arginine vasopressin and copeptin plasma concentrations. A Spearman rank-order correlation test has been performed to assess the correlation between arginine vasopressin (AVP) and copeptin plasma concentrations from 191 pairs of measurements. Spearman r = 0.76, P < 0.001.Back to article page