Patient Parameters Control normal patients group  Hemodialysis patient groups
Without pruritus Mild pruritus Moderate pruritus Severe pruritus
 IL-2 (pg/ml) 0.14 ±0.03a 0.87 ±0.27a 0.69 ±0.27a 1.03 ±0.29a 0.97 ±0.21a
IL-6 (pg/ml) 5.71 ±1.15c 12.79 ±2.83a,b 9.90 ±3.07b 16.02 ±2.26a 13.58 ±2.60a,b
Reference ranges are given as Mean ± S. E.
Mean values with different superscripts in the same row are significantly different at (P<0.05)
Table 4: Serum IL-2 and IL-6 concentration in normal control and hemodialysis patients with and without pruritus.