Table 2.
Laboratory data from groups with normal, pathologic, and rusty urinea
| Parameter | RU (n = 9)
|
M/PU (n = 20)
|
NU (n = 16)
|
P
|
||||
|---|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | RU versus NU | RU versus M/PU | |
| Plasmatic creatinine (mg/dl) | 1.22 | 0.15 | 1.11 | 0.37 | 1.16 | 0.17 | NS | NS |
| Uric acid (mg/dl) | 6.44 | 2.00 | 6.67 | 1.12 | 7.08 | 1.20 | NS | NS |
| Total bilirubin (mg/dl) | 1.57 | 0.59 | 0.83 | 0.33 | 0.95 | 0.44 | 0.0070 | 0.0001 |
| Indirect bilirubin (mg/dl) | 1.40 | 0.60 | 0.72 | 0.30 | 0.83 | 0.42 | 0.0100 | 0.0010 |
| Albumin (g/L) | 4.53 | 0.23 | 4.48 | 0.26 | 4.54 | 0.43 | NS | NS |
| LDH (U/L) | 836.11 | 198.97 | 530.80 | 137.49 | 498.69 | 116.69 | 0.0001 | 0.0001 |
| CPK (U/L) | 428.89 | 368.76 | 285.50 | 147.09 | 294.81 | 222.59 | NS | NS |
| CPK MB (U/L) | 22.11 | 6.35 | 14.25 | 6.49 | 15.75 | 8.06 | NS | 0.0050 |
| Myoglobin (U/L) | 153.10 | 84.79 | 140.75 | 89.45 | 131.61 | 123.30 | NS | NS |
| Haptoglobin (mg/dl) | 31.27 | 16.97 | 68.30 | 37.47 | 63.39 | 42.32 | 0.0410 | 0.0090 |
| Hemoglobin (g/dl) | 14.50 | 1.03 | 14.34 | 1.25 | 14.74 | 0.82 | NS | NS |
| Hematocrit (%) | 42.61 | 2.95 | 42.13 | 3.57 | 43.14 | 2.32 | NS | NS |
| Free hemoglobin (g/dl) | 0.19 | 0.03 | 0.18 | 0.08 | 0.18 | 0.07 | NS | NS |
| Urine density | 1022.20 | 6.67 | 1027.50 | 5.00 | 1025.60 | 7.72 | NS | NS |
| Proteinuria (g/L) | 9.25 | 11.09 | 1.17 | 1.34 | 0.00 | 0.00 | 0.0300 | |
| Plasmatic HCO3 (mEq/L) | 22.72 | 1.29 | 22.78 | 1.67 | 22.44 | 1.30 | NS | NS |
| Lactate | 2.58 | 0.77 | 2.38 | 0.73 | 2.50 | 0.56 | NS | NS |
a
T test between groups P < 0.05. CPK, creatine phosphokinase; M/PU; microhematuria and/or proteinuria; NU, normal urine; RU, rusty urine.