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Published in: BMC Nephrology 1/2014

Open Access 01-12-2014 | Research article

Geographical distribution, a risk factor for the incidence of lupus nephritis in China

Authors: Qingjun Pan, Yaning Li, Ling Ye, Zhenzhen Deng, Lu Li, Yongmin Feng, Weijing Liu, Huafeng Liu

Published in: BMC Nephrology | Issue 1/2014

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Abstract

Background

Geographical variation in lupus nephritis epidemiology may indicate important environmental factors contributions to the etiology of lupus nephritis. This paper first describes the epidemiology of biopsy-proven lupus nephritis in China by performing a systematic literature review and the possible social-environmental influential factors.

Methods

The keywords “lupus nephritis”, “renal biopsy” and “systemic lupus erythematous” were searched in the three largest Chinese electronic databases and Medline/PubMed. The data of the patients with biopsy-proven lupus nephritis were extracted. The possible environmental influential factors including the population density, ethnic group populations, the ratio of females to males, the average sunshine per year, annual average temperature and annual relative humidity, in different regions of China were analyzed.

Results

Forty-one study centers with 34574 renal disease patients, and 3699 lupus nephritis patients met the inclusion criteria. Lupus nephritis accounts for 2.37% to 25% of all renal disease and 27.2% to 80.65% of renal disease associated with secondary glomerular diseases. The male-to-female ratio is approximately 1:5 in lupus nephritis patients. The included period is predominantly from 1995 to 2010. The proportion ratio of biopsy-proven lupus nephritis in all renal disease or in secondary glomerular disease significantly increased with decreasing latitude from the north to the south part of China. The population is predominantly Han Chinese.

Conclusions

Geographical distribution appears to be a risk factor for the incidence of biopsy-proven LN in China.
Appendix
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Metadata
Title
Geographical distribution, a risk factor for the incidence of lupus nephritis in China
Authors
Qingjun Pan
Yaning Li
Ling Ye
Zhenzhen Deng
Lu Li
Yongmin Feng
Weijing Liu
Huafeng Liu
Publication date
01-12-2014
Publisher
BioMed Central
Published in
BMC Nephrology / Issue 1/2014
Electronic ISSN: 1471-2369
DOI
https://doi.org/10.1186/1471-2369-15-67

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Watch Dr. Anne Marie Valente present the last year's highlights in pediatric and congenital heart disease in the official ACC.24 Year in Review session.

Year in Review: Pulmonary vascular disease

The last year's highlights in pulmonary vascular disease are presented by Dr. Jane Leopold in this official video from ACC.24.

Year in Review: Valvular heart disease

Watch Prof. William Zoghbi present the last year's highlights in valvular heart disease from the official ACC.24 Year in Review session.

Year in Review: Heart failure and cardiomyopathies

Watch this official video from ACC.24. Dr. Biykem Bozkurt discuss last year's major advances in heart failure and cardiomyopathies.