Table 1 Patient characteristics of the two study groups

Sample for calculating the Sample for testing
formulae (Orebro-cyst), the formulae,
mean (SD) mean (SD) P

N 322 322
Sex (m/f) 186/136 189/133
Age 56.2 (15.7) 56.5 (15.4) 0.790
GFR (iohexol clearance), ml/min/1.73 m2 51.7 (30.2) 50.4 (28.1) 0.572
S-creatinine, µmol/l 150.9 (87.5) 153.8 (92.9) 0.678
S-cystatin C (Gentian), mg/l 1.94 (0.94) 1.92 (0.93) 0.860
S-cystatin C (DAKO), mg/l 1.65 (0.7) 1.63(0.7) 0.749
Height 170.3 (9.4) 170.9 (9.4) 0.476
Weight 77.9 (17.2) 76.0 (15.9) 0.139
BSA, m2 1.89 (0.22) 1.87 (0.21) 0.396
LBM, kg 64.6 (10.1) 65.1 (10.2) 0.518