期刊
LUPUS
卷 27, 期 13, 页码 2020-2028出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/0961203318801526
关键词
Juvenile-onset systemic lupus erythematosus; JSLE; lupus nephritis; active LN; UK JSLE Cohort Study
类别
资金
- Alder Hey Children's Kidney Fund through a training fellowship [UOG10065]
- Lupus UK
Background Juvenile-onset systemic lupus erythematosus (JSLE) patients may develop lupus nephritis (LN) during their initial presentation, or later in their disease. This study aimed to assess whether clinical/demographic factors characterize patients with LN within the United Kingdom JSLE Cohort Study, and whether such factors predict subsequent LN development. Methods Univariate logistic regression modelling compared clinical/demographic factors in patients with and without LN at baseline. For those who subsequently developed LN, Cox proportional-hazard modelling was used to test the association between such factors and time to LN development. Covariates with p < 0.2 univariately were included within a multiple-regression model. Results A total of 121/331 (37%) patients presented with active LN at baseline, with first American College of Rheumatology (ACR) score (p < 2.0 x 10(-16)), severe hypertension (p = 0.0006), proteinuria (p < 2.0 x 10(-16)), creatinine (p = 1.0 x 10(-16)), erythrocyte sedimentation rate (p = 1.0 x 10(-16)), neutrophils (p < 2.0 x 10(-16)), complement 3 (C3) (p = 4.0 x 10(-16)) and ethnicity (p = 3.0 x 10(-13)) differing between those with and without LN. Of the 210 individuals without active LN at baseline, 13 patients had a single visit and were excluded from further analysis. Thirty-four of 197 (17%) developed LN after a median of 2.04 years (interquartile range, 0.8-3.7), with higher ACR scores (p = 0.014, hazard ratio (HR) = 1.45, 95% confidence interval (CI) = 1.08-1.95) and lower C3 levels (p = 0.0082, HR = 0.27, 95% CI = 0.10-0.68) demonstrated as predictors of subsequent LN. Conclusions Clinical and demographic factors can help to characterize patients at increased risk of LN.
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