Protein carbonyl: A sensitive marker reflecting oxidative stress in prevalent hemodialysis patients

Table 3 Comparison of laboratory data between the two groups, mean ± SD

Item	ESRD group (n = 60)	Control group (n = 30)	P value
Hemoglobin (gm/dL)	10.83 ± 1.4	11.51 ± 2.7	0.015a,1
Creatinine (mg/dL)	11.36 ± 2.8	1.3 ± 0.5	< 0.001a,1
ALB (gm/dL)	3.88 ± 0.5	4.42 ± 0.5	< 0.001a,1
Ca (mg/dL)	9.34 ± 4.6	10.76 ± 1.7	0.071
PO4 (mg/dL)	5.23 ± 2.1	3.97 ± 0.4	0.021a,1
Urea (pre) (mg/dL)	146.6 ± 32.4	-	-
Urea (post) (mg/dL)	55.7 ± 20.7	-	-
PTH (pg/mL)	449.7 ± 301.3	-	-
Ferritin (ng/mL)	389.3 ± 253.4	-	-
CRP (mg/dL)	16.8 ± 14.3	1 ± 2.3	< 0.001a,1
PCO (pmol/mg)	239.8 ± 107.7	72.2 ± 16.7	< 0.0012

^aP value < 0.05.

¹Using Mann-Whitney test.

²Using Independent t test.

ESRD: End-stage renal disease; ALB: Albumin; Ca: Calcium; PO₄: Phosphate; PTH: Parathyroid hormone; CRP: C-reactive protein; PCO: Protein carbonyl.