Evidence map›Paper›PMID 24465871›Full record

ArticlePloS one2014

Reference intervals for serum cystatin C and factors influencing cystatin C levels other than renal function in the elderly.

Lu Wei, Xiaoshuang Ye, Xiaohua Pei, Jianqing Wu, Weihong Zhao

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
1.6field-weighted citation impact, top 18% 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

9 citing papers in PubMed, 25 citations in OpenAlex.

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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

5 authors at 2 institutions in 1 country.

Lu WeiDepartment of Geriatrics, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China.
Xiaoshuang YeDepartment of Geriatrics, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China.
Xiaohua PeiDepartment of Geriatrics, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China.
Jianqing WuDepartment of Geriatrics, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China.
Weihong ZhaoDepartment of Geriatrics, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China.
Jiangsu Province Hospital · CNNanjing Medical University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveThe present study aimed to establish reference intervals for serum cystatin C (Scys-C) stratified by stages of chronic kidney disease, explore factors influencing Scys-C and compare the performance of Scys-C with serum creatinine (Scr) in the young and elderly.

methodsA total of 800 participants, 516 young (<60 years) and 284 old (≥60 years) subjects were included in this study. Scys-C and Scr were assayed by the partical-enhanced immunoturbidimetry method and enzymatic method respectively. 95% reference interval was adopted to evaluate reference intervals. Influencing factors were characterized by multivariate linear regression analysis. Relationship between reference glomerular filtration rate (rGFR) and Scys-C or Scr was determined by correlation coefficient.

resultsReference intervals for Scys-C were calculated to be 0.71-1.38 mg/L, 0.83-1.67 mg/L, 1.02-2.61 mg/L, 1.32-4.48 mg/L, 1.95-6.11 mg/L in the aged in CKD G1, G2, G3a, G3b and G4-5 stages, respectively. Body mass index(BMI), nephritis, kidney neoplasm and hypertension were demonstrated as factors affecting Scys-C in the elderly while gender, nephritis and kidney neoplasm were clarified as influencing factors in the young group. Scr levels were affected by more factors, such as body surface area and hematological disease. Correlation coefficient between rGFR and Scys-C or Scr showed that serum Scys-C was superior to Scr, especially in the subjects with mildly decreased renal function (-0.593 vs. -0.520).

conclusionsFactors other than renal function influenced Scys-C when applying to evaluate glomerular filtration rate (GFR), such as BMI, nephritis, kidney neoplasm and hypertension, and Scys-C had higher correlation with GFR than Scr in the elderly.

Indexed as

Kidney Function TestsAdultAgedCreatinineCystatin CDisease ProgressionFemaleGlomerular Filtration RateHumansMaleMiddle AgedReference ValuesRenal Insufficiency, ChronicCreatinineCystatin C

Identifiers

PMID24465871
PMCPMC3897621
OpenAlexW2065127662

What OpenQuestion holds

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LicenceCC BY
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Registered trials

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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.