Table 1.
Characteristics of the overall population, and of ADPKD and IgA Nephropathy patients separately.
Table 2.
Measurements in plasma at baseline (5 p.m.) and at maximal urine concentration during a standard prolonged water deprivation test.
Table 3.
Measurements in spot urine at baseline (5 p.m.) and at maximal urine concentration during a standard prolonged water deprivation test.
Fig 1.
Associations of copeptin and vasopressin concentration with plasma osmolality and urine osmolality in ADPKD patients (solid line) and IgA Nephropathy patients (IgAN, dashed line) at maximal urine concentration.
Table 4.
Univariate linear regression associations of plasma copeptin and AVP (log transformed) with plasma osmolality and multivariable linear regression analyses testing the effect of having ADPKD on the associations at baseline and at maximal urine concentration.
Table 5.
Linear regression analyses of urine osmolality with plasma copeptin, AVP and urine AQP2/creatinine ratio (all log transformed) at maximal urine concentration, including analyses testing whether study group (i.e. having ADPKD) interacts with these associations.
Table 6.
Univariate linear regression associations of the urine AQP2 to creatinine ratio with plasma copeptin or AVP (both log transformed) at maximal urine concentration and multivariable linear regression analyses testing the effect of having ADPKD on these associations.
Fig 2.
Associations of plasma copeptin concentration with urine albumin to creatinine ratio in ADPKD (solid line) and IgA Nephropathy (IgAN, dashed line) patients at maximal urine concentration.
Fig 3.
Associations of maximal urine osmolality with baseline urine-to-plasma (U/P) urea ratio in ADPKD patients (solid line) and IgA Nephropathy patients (IgAN, dashed line).