A scoring system to predict renal outcome in IgA nephropathy: A nationwide 10-year prospective cohort study
Nephrology Dialysis Transplantation, ISSN: 0931-0509, Vol: 24, Issue: 10, Page: 3068-3074
2009
- 218Citations
- 102Captures
- 4Mentions
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Metrics Details
- Citations218
- Citation Indexes217
- 217
- CrossRef139
- Policy Citations1
- 1
- Captures102
- Readers102
- 102
- Mentions4
- News Mentions4
- 4
Most Recent News
The effect of fibrinoid necrosis on the clinical features and outcomes of primary IgA nephropathy
Abstract Background To explore the clinicopathologic features and outcomes of IgAN patients who presented with fibrinoid necrosis (FN) lesions or not and the effect of
Article Description
Background. Immunoglobulin A nephropathy (IgAN) is the most common form of glomerulonephritis, and a substantial number of patients succumb to end-stage renal disease (ESRD). However, prediction of the renal outcome in individual patients remains difficult. We have already published a scoring system using the data in a prospective cohort of IgAN patients followed up from 1995 to 2002.Methods. The cohort was further followed up until 2005 in 97 clinical units in Japan. The data from 2283 patients were analysed by Cox regression to determine the predictors of ESRD in IgAN, and their β-coefficients were converted into scores to estimate ESRD risk within 10 years.Results. During the follow-up (median, 87 months), 252 patients developed ESRD. Male sex, age less than 30 years, family histories of chronic renal failure and chronic glomerulonephritis, hypertension, proteinuria, mild haematuria, hypoalbuminaemia, low glomerular filtration rate and a high histological grade at initial renal biopsy were associated with the risk of ESRD in the multivariable analysis. A scoring system was framed to estimate the 10-year ESRD risk using eight variables significant in both univariable and multivariable models. This prognostic score accurately classified patients by risk: patients with estimates of 0-4.9, 5.0-19.9, 20.0-49.9 and 50.0-100 had an observed incidence of 1.7, 8.3, 36.7 and 85.5, respectively. The corresponding area under the receiver-operating characteristic curve was 0.942 (95 confidence interval, 0.925-0.958).Conclusion. This validated scoring system to quantitatively estimate ESRD risk during the 10-year follow-up of IgAN patients will serve as a useful prognostic tool in clinical practice.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=70349501695&origin=inward; http://dx.doi.org/10.1093/ndt/gfp273; http://www.ncbi.nlm.nih.gov/pubmed/19515800; https://academic.oup.com/ndt/article-lookup/doi/10.1093/ndt/gfp273; https://dx.doi.org/10.1093/ndt/gfp273; https://academic.oup.com/ndt/article/24/10/3068/1818017
Oxford University Press (OUP)
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