Figure 1

Effects of isotonic 0.9% saline (■), hypertonic 3% saline (♦) and isotonic glucose (●) on urinary excretion of A) u-AQP2 and B) u-ENaCγ adjusted to creatinine, C) plasma concentration of vasopressin (AVP) and D) plasma osmolality in 23 healthy subjects. Values are means ± SEM. Paired t-test was used for comparison of post infusion period 210–240 min vs. baseline. * p < 0.01; ** p < 0.001; *** p < 0.0001.