Evidence map›Paper›PMID 30258702›Full record

ArticleTranslational vision science & technology2018

Baseline Detrending for the Photopic Negative Response.

Jessica Tang, Flora Hui, Michael Coote, Jonathan G Crowston, Xavier Hadoux

Open access · goldAbstract read
In one paragraph

Article in Translational vision science & technology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
1.3field-weighted citation impact, top 20% 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

15 citing papers in PubMed, 24 citations in OpenAlex.

  1. Review
  2. Article
  3. A modified analysis protocol for the PhNR test.Documenta ophthalmologica. Advances in ophthalmology · 2024
    Article
  4. Evaluation of inner retinal function at different stages of primary open angle glaucoma using the photopic negative response (PhNR) measured by RETeval electroretinography.Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie · 2024
    Article
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  12. Factors Affecting Photopic Negative Response Recorded with RETTranslational vision science & technology · 2020
    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

5 authors at 1 institution in 1 country.

Jessica TangCentre for Eye Research Australia, Royal Victorian Eye and Ear Hospital, East Melbourne, Australia.
Flora HuiCentre for Eye Research Australia, Royal Victorian Eye and Ear Hospital, East Melbourne, Australia.
Michael CooteCentre for Eye Research Australia, Royal Victorian Eye and Ear Hospital, East Melbourne, Australia.
Jonathan G CrowstonCentre for Eye Research Australia, Royal Victorian Eye and Ear Hospital, East Melbourne, Australia.
Xavier HadouxCentre for Eye Research Australia, Royal Victorian Eye and Ear Hospital, East Melbourne, Australia.
University of Melbourne · AU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeThe photopic negative response (PhNR) of the light-adapted electroretinogram (ERG) holds promise as an objective marker of retinal ganglion cell function. We compared baseline detrending methods to improve PhNR repeatability without compromising its diagnostic ability in glaucoma.

methodsPhotopic ERGs were recorded in 20 glaucoma and 18 age-matched control participants. A total of 50 brief, red-flashes (1.6 cd.s/m

resultsMost detrending methods improved PhNR test-retest repeatability compared to the International Society for Clinical Electrophysiology of Vision (ISCEV) recommended 0.3 to 300 Hz band-pass filter (COR% ± 200%). In particular, detrending with a polynomial (order 3) applied to the whole signal performed the best (COR% ± 44%) while achieving similar diagnostic ability as ISCEV band-pass (AUC 0.74 vs. 0.75, respectively). However, over-correcting with higher orders of processing can cause waveform distortion and reduce diagnostic ability.

conclusionsBaseline detrending can improve the PhNR repeatability without compromising its clinical use in glaucoma. Further studies exploring more complex processing methods are encouraged. TRANSLATIONAL RELEVANCE: Baseline detrending can significantly improve the quality of the PhNR.

Indexed as

baseline detrendingelectroretinogramglaucomaphotopic negative response

Identifiers

PMID30258702
PMCPMC6152608
OpenAlexW2890104697

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
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.