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

Table 1

Demographic and clinical characteristics of study participants.

Parameter	Control group,†	Patients on HD	p
Sex (N male (%)/N female (%))	39(37%)/67(63%)	61(68%)/29(32%)	<0.001
Age (years)	55.5 (14.6)	55.2 (16)	0.87
BMI	26.4 (4.7)	26.1 (4.1)	0.57
Davies comorbidity grade 0/1/2 (N (%))	95(90%)/11(10%)/0	47(52%)/37(41%)/6(7%)	<0.001
Years of dialysis treatment	N/A	5 (1.7-11.5)	N/A
Weekly dialysis time (h)	N/A	14 (12-15)	N/A
Serum albumin (g/l)	44.8 (2.5)	40.8 (2.4)	<0.001
Serum urea (mmol/l)	N/A	24.8 (6.3)	N/A
Hemoglobin (g/l)	141 (12)	119 (12)	<0.001
Extracellular compartment overhydration (l)	0.4 (1)	1 (1.5)	0.001

BMI, body mass index; ESA, erythropoiesis-stimulating agent; HD, hemodialysis; PTH, parathyroid hormone; N/A, not applicable. Data are presented as mean (SD) or median (interquartile range) if not stated otherwise. ^†Serum urea was not available in controls.