Relation of Lean Body Mass and Muscle Performance to Serum Creatinine Concentration in Hemodialysis Patients

Table 3

General linear model (ANOVA) for prediction of predialysis serum creatinine values.

Parameter	Coeff. B (SE)	95% CI	p	Partial Eta^2
Intercept	396 (141)	115 - 676	0.006	0.09
Lean body mass (kg)	7.7 (2.2)	3.4 - 12.1	0.001	0.13
Residual diuresis (L/day)	-109 (26)	-160 to -57	<0.001	0.17
Age (years)	-1.4 (1.2)	-3.9 - 1.1	0.26	0.02
Urea (mmol/l)	12.9 (3.1)	6.7 - 19.1	<0.001	0.17

Model R² 0.45 and p<0.001. Regression equation for serum creatinine on the basis of this model was y=396 + 7.7 µmol/l/x LBM (kg) + 12.9 µmol/mmol x urea (mmol/l) – 109 µmol/l² x residual daily urine output (l).