Table 3.

Multivariable linear regression analyses showing the association of GFR with plasma copeptin (dependent variable) in all 122 patients with ADPKD and 93 patients with ADPKD with a GFR>48 ml/min per 1.73 m2.

ADPKDModel 1Model 2Model 3
All PatientsGFR>48 ml/min per 1.73 m2All PatientsGFR>48 ml/min per 1.73 m2All PatientsGFR>48 ml/min per 1.73 m2
St. βP ValueSt. βP ValueSt. βP ValueSt. βP ValueSt. βP ValueSt. βP Value
GFR−0.45<0.001−0.260.01−0.50<0.001−0.310.01−0.53<0.001−0.280.01
Age (yr)−0.160.08−0.180.12−0.110.20−0.090.43
Men−0.28<0.001−0.330.001−0.32<0.001−0.41<0.001
Plasma sodium−0.130.080.170.08
24-h urine volume−0.31<0.001−0.360.001
MAP0.080.280.050.63
Diuretics0.0040.960.030.77