Evidence map›Paper›PMID 23821316›Full record

ArticleAmerican journal of epidemiology2013

Specimen pooling for efficient use of biospecimens in studies of time to a common event.

Paramita Saha-Chaudhuri, Clarice R Weinberg

Abstract read
In one paragraph

Article in American journal of epidemiology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
–field-weighted citation impact
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

13 citing papers in PubMed.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Associations of Prenatal Exposure to Phthalates with Measures of Cognition in 4.5-Month-Old Infants.International journal of environmental research and public health · 2021
    Article
  6. Determination of Varying Group Sizes for Pooling Procedure.Computational and mathematical methods in medicine · 2019
    Article
  7. Article
  8. Article
  9. Article
  10. Case-control data analysis for randomly pooled biomarkers.Biometrical journal. Biometrische Zeitschrift · 2016
    Article
  11. Article
  12. Article
  13. Article
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

2 authors.

Paramita Saha-ChaudhuriDepartment of Biostatistics and Bioinformatics, Duke University School of Medicine, Durham, NC 27710, USA. paramita.sahachaudhuri@duke.edu
Clarice R Weinberg

Funding

Statistical Methods In Epidemiology--generalZIAES040006 · NIEHS · NATIONAL INSTITUTE OF ENVIRONMENTAL HEALTH SCIENCES · PI WEINBERG, CLARICE · 2009 to 2025
$4.5M
STATISTICAL METHODS IN EPIDEMIOLOGY--GENERALZ01ES040006 · NIEHS · NATIONAL INSTITUTE OF ENVIRONMENTAL HEALTH SCIENCES · PI WEINBERG, CLARICE · 1997 to 2008
$65k
Intramural NIH HHS Z01 ES040006NIEHS NIH HHS ES040006-14
6 · The paper itself

Abstract

For case-control studies that rely on expensive assays for biomarkers, specimen pooling offers a cost-effective and efficient way to estimate individual-level odds ratios. Pooling helps to conserve irreplaceable biospecimens for the future, mitigates limit-of-detection problems, and enables inclusion of individuals who have limited available volumes of biospecimen. Pooling can also allow the study of a panel of biomarkers under a fixed assay budget. Here, we extend this method for application to discrete-time survival studies. Assuming a proportional odds logistic model for risk of a common outcome, we propose a design strategy that forms pooling sets within those experiencing the outcome at the same event time. We show that the proposed design enables a cost-effective analysis to assess the association of a biomarker with the outcome. Because the standard likelihood is slightly misspecified for the proposed pooling strategy under a nonnull biomarker effect, the proposed approach produces slightly biased estimates of exposure odds ratios. We explore the extent of this bias via simulations and illustrate the method by revisiting a data set relating polychlorinated biphenyls and 1,1-dichloro-2,2-bis(p-chlorophenyl)ethylene to time to pregnancy.

Indexed as

Case-Control StudiesBiomarkersCost-Benefit AnalysisDichlorodiphenyl DichloroethyleneFemaleHumansLogistic ModelsModels, StatisticalOdds RatioPolychlorinated BiphenylsPregnancyRisk FactorsSpecimen HandlingTime FactorsBiomarkersDichlorodiphenyl DichloroethylenePolychlorinated Biphenylsdiscrete event time outcomepoolingpooling for biomarkerpooling for exposuretime to pregnancy

Identifiers

PMID23821316
PMCPMC3698992

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.