Table 1.

Demographic features of the population studied: ethnic background, age, and disease duration. Data are n (%) or mean ± SD.

GroupsEthnic BackgroundAge, yrsDuration of Disease, yrs
WhiteAfrican Descent
A-LN23 (76.7)7 (23.3)35.9 ± 11.78.2 ± 8.0
R-LN21 (70.0)9 (30.0)45.4 ± 9.913.0 ± 7.4
NR-SLE10 (66.7)5 (33.3)50.9 ± 8.517.9 ± 11.3
Control14 (82.4)3 (17.6)42.7 ± 11.0NA
  • ND: not determined; A-LN: active lupus nephritis; R-LN: remission lupus nephritis; NR-SLE: nonrenal systemic lupus erythematosus. NA: not applicable.