Evidence map›Paper›PMID 30705912›Full record

ArticleAsia Oceania journal of nuclear medicine & biology2019

Comparison of Count Normalization Methods for Statistical Parametric Mapping Analysis Using a Digital Brain Phantom Obtained from Fluorodeoxyglucose-positron Emission Tomography.

Thet Pe Win, Yoshiyuki Hosokai, Takashi Minagawa, Kenzo Muroi, Kenta Miwa, Ayaka Maruyama, Toshiya Yamaguchi, Kazuto Okano, Khin Moh Moh Htwe, Haruo Saito

Open access · greenAbstract read
In one paragraph

Article in Asia Oceania journal of nuclear medicine & biology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
0.5field-weighted citation impact, top 33% 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

2 citing papers in PubMed, 3 citations in OpenAlex.

  1. Article
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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

10 authors at 2 institutions in 1 country.

Thet Pe WinInternational University of Health and Welfare, School of Health Sciences, Department of Radiological Sciences, Japan.
Yoshiyuki HosokaiInternational University of Health and Welfare, School of Health Sciences, Department of Radiological Sciences, Japan.
Takashi MinagawaTohoku University Graduate School of Medicine, Course of Radiological Technology, Diagnostic Image Analysis, Japan.
Kenzo MuroiInternational University of Health and Welfare, School of Health Sciences, Department of Radiological Sciences, Japan.
Kenta MiwaInternational University of Health and Welfare, School of Health Sciences, Department of Radiological Sciences, Japan.
Ayaka MaruyamaInternational University of Health and Welfare, School of Health Sciences, Department of Radiological Sciences, Japan.
Toshiya YamaguchiInternational University of Health and Welfare, School of Health Sciences, Department of Radiological Sciences, Japan.
Kazuto OkanoInternational University of Health and Welfare, School of Health Sciences, Department of Radiological Sciences, Japan.
Khin Moh Moh HtweInternational University of Health and Welfare, School of Health Sciences, Department of Radiological Sciences, Japan.
Haruo SaitoTohoku University Graduate School of Medicine, Course of Radiological Technology, Diagnostic Image Analysis, Japan.
International University of Health and Welfare · JPTohoku University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesAlternative normalization methods were proposed to solve the biased information of SPM in the study of neurodegenerative disease. The objective of this study was to determine the most suitable count normalization method for SPM analysis of a neurodegenerative disease based on the results of different count normalization methods applied on a prepared digital phantom similar to one obtained using fluorodeoxyglucose-positron emission tomography (FDG-PET) data of a brain with a known neurodegenerative condition.

methodsDigital brain phantoms, mimicking mild and intermediate neurodegenerative disease conditions, were prepared from the FDG-PET data of 11 healthy subjects. SPM analysis was performed on these simulations using different count normalization methods.

resultsIn the slight-decrease phantom simulation, the Yakushev method correctly visualized wider areas of slightly decreased metabolism with the smallest artifacts of increased metabolism. Other count normalization methods were unable to identify this slightly decreases and produced more artifacts. The intermediate-decreased areas were well visualized by all methods. The areas surrounding the grey matter with the slight decreases were not visualized with the GM and VOI count normalization methods but with the Andersson. The Yakushev method well visualized these areas. Artifacts were present in all methods. When the number of reference area extraction was increased, the Andersson method better-captured the areas with decreased metabolism and reduced the artifacts of increased metabolism. In the Yakushev method, increasing the threshold for the reference area extraction reduced such artifacts.

conclusionThe Yakushev method is the most suitable count normalization method for the SPM analysis of neurodegenerative disease.

Indexed as

Count normalizationFDG- PETNeurodegenerative diseaseSPM analysisYakushev method

Identifiers

PMID30705912
PMCPMC6352057
OpenAlexW2904381825

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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.