Table 1.

Baseline clinical characteristicsa

CharacteristicWhiteBlackOtherP
n54 (63)21 (24)11 (13)
Age (yr)32 ± 1329 ± 1134 ± 10NS
Female46 (85)17 (81)9 (82)NS
BP (mmHg)
    systolic144 ± 19138 ± 17141 ± 19NS
    diastolic89 ± 1386 ± 1287 ± 11NS
Serum creatinine (mg/dl)1.8 ± 1.11.9 ± 1.31.8 ± 1.4NS
    median (mg/dl)1.51.61.4
Proteinuria (g/d)6.2 ± 3.95.4 ± 3.55.3 ± 5.2NS
    median (g/d)6.35.33.5
Presentation of clinical nephritis to entry (mo)19 ± 3812 ± 246 ± 12NS
    median1.60.90.8
Biopsy to entry (mo)0.5 ± 0.70.3 ± 0.30.4 ± 0.4NS
    median0.20.20.2
Treatment
    standard30 (56)12 (57)4 (36)NS
    plasmapheresis2497
  • a Data are n (%) or means ± SD. To convert serum creatinine from mg/dl to μ mol/L, multiply by 88.