Table 1 Characteristics of 83 patients with functional renal volume measurements

Men age (years)

60.1 (range 26–89; median 60.0)

Gender (male/female)

44/39

Mean BMI (kg/m²)

23.2 ± 4.1 (range 17.2-45.0; median 22.8)

HT (yes/no)

51/32 (under treatment n = 25)

Diabetes (yes/no)

15/68 (under treatment n = 6)

Hyperlipidemia (yes/no)

39/44 (under treatment n = 7)

Anemia (yes/no)

18/65

Proteinuria (yes/no)

13/70

eGFR (ml/min/1.73 m²)

77.5 ± 21.0 (range 19.0-125.7; median 79.0)

eGFR (ml/min/1.73 m²)/FRV (cm³)

0.25 ± 0.06 (range 0.10-0.40; median 0.24)