Evidence map›Paper›PMID 35264137›Full record

ArticleBMC musculoskeletal disorders2022

Good validity in the Norwegian Knee Ligament Register: assessment of data quality for key variables in primary and revision cruciate ligament reconstructions from 2004 to 2013.

Espen Midttun, Morten Torheim Andersen, Lars Engebretsen, Håvard Visnes, Anne Marie Fenstad, Jan-Erik Gjertsen, Andreas Persson

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PubMed Full text at PMC Publisher
In one paragraph

Article in BMC musculoskeletal disorders, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
3.5field-weighted citation impact, top 7% 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

7 citing papers in PubMed, 16 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

7 authors at 6 institutions in 1 country.

Espen MidttunDepartment of Neurology, Førde Central Hospital, Svanehaugvegen 2, 6812, Førde, Norway. midttun.espen@gmail.com.
Morten Torheim AndersenMedical Department, Haraldsplass Deaconess Hospital, Bergen, Norway.
Lars EngebretsenDepartment of Orthopaedic Surgery, Oslo University Hospital, Oslo, Norway.
Håvard VisnesOslo Sports Trauma Research Center, Norwegian School of Sport Sciences, Oslo, Norway.
Anne Marie FenstadDepartment of Orthopaedic Surgery, The Norwegian Knee Ligament Register, Haukeland University Hospital, Bergen, Norway.
Jan-Erik GjertsenThe Norwegian National Advisory Unit On Arthroplasty and Hip Fractures, Department of Orthopaedic Surgery, Haukeland University Hospital, Bergen, Norway.
Andreas PerssonDepartment of Orthopaedic Surgery, Oslo University Hospital, Oslo, Norway.
Norwegian School of Sport Sciences · NOHaraldsplass Diakonale Sykehus · NOHaukeland University Hospital · NOHelse Førde · NOOslo University Hospital · NOUniversity of Bergen · NO

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe Norwegian Knee Ligament Register was founded in 2004 to provide representative and reliable data on cruciate ligament surgery. The aim of this study was to evaluate the validity of key variables in the Norwegian Knee Ligament Register to reveal and prevent systematic errors or incompleteness, which can lead to biased reports and study conclusions.

methodWe included a stratified cluster sample of 83 patients that had undergone both primary and revision anterior cruciate ligament surgery. A total of 166 medical records were reviewed and compared with their corresponding data in the database of the Norwegian Knee Ligament Register. We assessed the validity of a selection of key variables using medical records as a reference standard to compute the positive predictive values of the register data for the variables.

resultsThe positive predictive values for the variables of primary and revision surgery ranged from 92 to 100% and from 39 to 100% with a mean positive predictive value of 99% and 88% respectively. Data on intraoperative findings and surgical details had high positive predictive values, ranging from 91 to 100% for both primary and revision surgery. The positive predictive value for the variable "date of injury" was 92% for primary surgeries but only 39% for revision surgeries. The positive predictive value for "activity at the time of injury" was 99% for primary surgeries and 52% for revisions.

conclusionOverall, the data quality of the key variables examined in the Norwegian Knee Ligament Register was high, making the register a valid source for research.

Indexed as

Anterior Cruciate Ligament ReconstructionData AccuracyRegistriesAnterior Cruciate LigamentHumansNorwayReoperationReproducibility of ResultsAnterior cruciate ligamentData accuracyEpidemiologyPredictive valueRegistries

Identifiers

PMID35264137
PMCPMC8908681
OpenAlexW4221065940

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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.