Table 7.

Subcategory intraclass correlation coefficients for measurement of ECWa

ICC for Subcategories
aOriginal ICC for all patients (n = 72) is 0.846.
Factors
gender0.817 (men, n = 40)0.877 (women; n = 32)
cystic kidneys (PCKD)0.802 (PCKD, n = 8)0.841 (non-PCKD, n = 63)
calcium antagonists0.853 (users, n = 27)0.845 (nonusers, n = 44)
Lowest 33% ICCMiddle 33% ICCHighest 33% ICC
Covariates
age0.7780.8690.887
BMI0.8290.8520.786
waist-to-hip ratio0.8880.8470.770
hydration status LBM0.8750.8160.875
ratio ECW to ICW0.8710.9160.857
creatinine clearance0.8380.8580.820