Table 2.
Comparison between patient characteristics and laboratory findings in the three groups at the time of the first renal biopsy.
| PWD (n = 21) | PWD-pulse (n = 20) | PWDM (n = 20) | ||
|---|---|---|---|---|
| Age at first renal biopsy, years | 11.5 ± 2.9 | 13.1 ± 4.3 | 12.9 ± 3.2 | n.s. |
| Time between onset of symptoms and biopsy, months | 6.2 ± 6.9 | 6.0 ± 4.9 | 5.5 ± 5.1 | n.s. |
| Male:female ratio | 11 : 10 | 12 : 8 | 11 : 9 | n.s. |
| Urinary protein excretion, mg/m2/hr | 69 ± 55 | 72 ± 49 | 78 ± 68 | n.s. |
| Patients with severe proteinuria (<50 mg/m2/hr) | 110 ± 79 (n = 12) | 99 ± 36 (n = 13) | 101 ± 57 (n = 12) | n.s. |
| Patients with mild proteinuria (<50 mg/m2/hr) | 36 ± 11 (n = 9) | 42 ± 8 (n = 7) | 38 ± 12 (n = 8) | n.s. |
| Hematuria (macroscopic) | 21 (13) | 20 (14) | 20 (12) | n.s. |
| Serum albumin, g/L | 31 ± 4 | 32 ± 6 | 30 ± 5 | n.s. |
| Serum creatinine, μmol/L | 60 ± 22 | 64 ± 28 | 61 ± 25 | n.s. |
| 24-hour Ccr, mg/min/1.73 m2 | 84 ± 33 | 82 ± 35 | 79 ± 29 | n.s. |
n.s.: not significant.