Evidence map›Paper›PMID 29185209›Full record

ArticleJournal of nephrology2018

Value of the Oxford classification of IgA nephropathy in children with Henoch-Schönlein purpura nephritis.

Ke Xu, Lili Zhang, Jie Ding, Suxia Wang, Baige Su, Huijie Xiao, Fang Wang, Xuhui Zhong, Yanming Li

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In one paragraph

Article in Journal of nephrology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 35 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
35citing papers in PubMed, 4 pooled it
3.9field-weighted citation impact, top 6% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

35 citing papers in PubMed, 4 syntheses or guidelines pooled it, 58 citations in OpenAlex.

  1. Guideline
  2. Pooled it
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  17. IgA Vasculitis and IgA Nephropathy: Same Disease?Journal of clinical medicine · 2021
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors at 2 institutions in 2 countries.

Ke XuDepartment of Pediatric, Peking University First Hospital, Beijing, 100034, China.ORCID 0000-0003-1983-6564
Lili ZhangLaboratory of Electron Microscopy, Peking University First Hospital, Beijing, 100034, China.
Jie DingDepartment of Pediatric, Peking University First Hospital, Beijing, 100034, China. djnc_5855@126.com.
Suxia WangLaboratory of Electron Microscopy, Peking University First Hospital, Beijing, 100034, China. suxiawang@bjmu.edu.cn.
Baige SuDepartment of Pediatric, Peking University First Hospital, Beijing, 100034, China.
Huijie XiaoDepartment of Pediatric, Peking University First Hospital, Beijing, 100034, China.
Fang WangDepartment of Pediatric, Peking University First Hospital, Beijing, 100034, China.
Xuhui ZhongDepartment of Pediatric, Peking University First Hospital, Beijing, 100034, China.
Yanming LiBiostatistics department, University of Michigan, 1415 Washington Heights, Ann Arbor, MI, 48109, USA.
Peking University · CNUniversity of Michigan · US

Funding

Beijing key laboratory of molecular diagnosis and study on pediatric genetic disease BZ0317Research Foundation of Peking University First Hospital 2017QN04
6 · The paper itself

Abstract

backgroundThe widely used International Study of Kidney Disease in Children (ISKDC) classification for Henoch-Schönlein purpura nephritis (HSPN) does not completely correlate with the clinical presentation and long-term prognosis of this disease. Primary IgA nephropathy (IgAN) and HSPN share common features; thus, the Oxford classification of IgAN might be useful in predicting the long-term outcomes of HSPN. However, its value has not been confirmed in children with HSPN.

methodsWe selected children with HSPN diagnosed between 2003 and 2015, and reclassified their renal biopsies according to the Oxford classification scoring system. The primary outcome was impaired renal function, and remission of proteinuria and clinical remission were secondary outcomes.

resultsWe included 104 patients (58 males, 46 females) with a median age of 10 (4-17) years. Mesangial hypercellularity (M1) was strongly associated with proteinuria, and tubular atrophy/interstitial fibrosis (T1&2) and C2 (with crescents in > 25% of glomeruli) were associated with reduced estimated glomerular filtration rate (eGFR) at the time of biopsy. Patients with M1, endocapillary proliferation (E1), segmental glomerulosclerosis (S1), and crescents (C1&2) were more likely to have been treated with high-dose methylprednisolone. At univariate time-dependent analyses, S1 was strongly associated with the primary outcome (p = 0.025), whereas T1&2 was significantly negatively associated with proteinuria remission (p = 0.035) and clinical remission (p = 0.038).

conclusionsOur findings suggest that the Oxford classification is valid for children with HSPN. S and T lesions, which are ignored in the ISKDC classification, can be used to assess renal outcomes of HSPN, and such assessments are not affected by currently available treatments. The value of M, E and C lesions in predicting response to therapy and renal outcome warrants further study.

Indexed as

Glomerular Filtration RateAdolescentAntibiotics, AntineoplasticAnti-Inflammatory AgentsAtrophyBiopsyChildChild, PreschoolCyclophosphamideFemaleFibrosisGlomerular MesangiumGlomerulonephritis, IGAHumansIgA VasculitisImmunosuppressive AgentsAntibiotics, AntineoplasticAnti-Inflammatory AgentsCyclophosphamideImmunosuppressive AgentsLeflunomideMethylprednisoloneMycophenolic AcidHenoch-Schönlein purpura nephritisOxford classificationPediatricsPrognosis

Identifiers

PMID29185209
OpenAlexW2768504529

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.