Items | Group A [ESRD] (n = 37) | Group B [CKD stage 4] (n = 37) | Group C [CKD stage 3] (n = 37) | Test of significance |
Calcium (mg/dl) | 7.78 ± 0.89 | 8.15 ± 0.50 a | 8.16 ± 0.38 a | F = 4.521 P = 0.013* |
Phosphorous (mg/dl) | 5.25 ± 1.42 | 4.83 ± 0.93 | 4.35 ± 0.69 a | F = 6.701 P = 0.002* |
Ca*PH | 40.37 ± 10.77 | 38.72 ± 6.67 | 35.47 ± 4.89 a | F = 3.774 P = 0.027* |
Na (mmol/l) | 136.11 ± 3.08 | 132.05 ± 3.16 a | 134.51 ± 3.72 b | F = 13.905 P < 0.001* |
K (mmol/l) | 4.72 ± 0.64 | 4.57 ± 0.54 | 4.37 ± 0.45 a | F = 3.783 P = 0.026* |
Iron level (mcg/dl) | 59.32 ± 14.38 | 62.70 ± 13.87 | 63.32 ± 12.64 | F = 0.921 P = 0.401 |
TIBC | 201.84 ± 48.62 | 225.81 ± 43.10 | 193.32 ± 46.18 b | F = 4.957 P = 0.009* |
Total saturation (%) | 29.51 ± 3.59 | 28.08 ± 4.27 | 33.19 ± 4.97 a, b | F = 13.805 P < 0.001* |
AST (U/L) | 16.08 ± 5.31 | 14.97 ± 5.61 | 17.22 ± 5.72 | F = 1.512 P = 0.225 |
ALT (U/L) | 9.84 ± 3.66 | 10.11 ± 4.09 | 10.68 ± 4.17 | F = 0.427 P = 0.654 |
Serum albumin (g/dl) | 3.88 ± 0.40 | 3.49 ± 0.49 a | 3.65 ± 0.37 a | F = 7.947 P = 0.001* |
PT (b/min) | 0.15 ± 0.02 | 0.14 ± 0.03 | 0.15 ± 0.03 | F = 0.242 P = 0.785 |
PTT (b/min) | 0.35 ± 0.03 | 0.35 ± 0.03 | 0.36 ± 0.04 | F = 0.793 P = 0.455 |