Evidence map›Paper›PMID 30545396›Full record

ArticleRadiation oncology (London, England)2018

Assessment of the modulation degrees of intensity-modulated radiation therapy plans.

So-Yeon Park, Jung-In Kim, Minsoo Chun, Hyunjun Ahn, Jong Min Park

Abstract read
In one paragraph

Article in Radiation oncology (London, England), 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing 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

5 citing papers in PubMed.

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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.

So-Yeon ParkDepartment of Radiation Oncology, Veterans Health Service Medical Center, Seoul, Republic of Korea.
Jung-In KimInstitute of Radiation Medicine, Seoul National University Medical Research Center, Seoul, Republic of Korea.
Minsoo ChunInstitute of Radiation Medicine, Seoul National University Medical Research Center, Seoul, Republic of Korea.
Hyunjun AhnInstitute of Radiation Medicine, Seoul National University Medical Research Center, Seoul, Republic of Korea.
Jong Min ParkInstitute of Radiation Medicine, Seoul National University Medical Research Center, Seoul, Republic of Korea. leodavinci@naver.com.ORCID http://orcid.org/0000-0003-3617-3870

Funding

National Research Foundation of Korea 2017M2A2A7A02020639National Research Foundation of Korea 2017M2A2A7A02020640National Research Foundation of Korea 2017M2A2A7A02020641National Research Foundation of Korea 2017M2A2A7A02020643
6 · The paper itself

Abstract

backgroundTo evaluate the modulation indices (MIs) for predicting the plan delivery accuracies of intensity-modulated radiation therapy (IMRT) plans.

methodsA total of 100 dynamic IMRT plans that used TrueBeam STx and 102 dynamic IMRT plans that used Trilogy were selected. For each plan, various MIs were calculated, which included the modulation complexity score (MCS), plan-averaged beam area (PA), plan-averaged beam irregularity (PI), plan-averaged beam modulation (PM), MI quantifying multi-leaf collimator (MLC) speeds (MI

resultsPI showed moderately strong correlations with gamma passing rates in MapCHECK2 measurements of both TrueBeam STx and Trilogy (r

conclusionsThe PI showed moderately strong correlations with every plan delivery accuracy measure and therefore is a useful predictor of IMRT delivery accuracy.

Indexed as

Quality ControlHumansNeoplasmsParticle AcceleratorsQuality Assurance, Health CareRadiometryRadiotherapy DosageRadiotherapy, Intensity-ModulatedRadiotherapy Planning, Computer-AssistedIntensity-modulated radiation therapyModulation indexPlan delivery accuracy

Identifiers

PMID30545396
PMCPMC6293636

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