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User's Guide to a Meta-Analysis about an Orthopaedic Implant

2007· article· en· W2053110752 on OpenAlexaff
Laura Quigley, Mohit Bhandari

Bibliographic record

VenueJournal of Long-Term Effects of Medical Implants · 2007
Typearticle
Languageen
FieldDecision Sciences
TopicMeta-analysis and systematic reviews
Canadian institutionsHamilton General HospitalMcMaster University
Fundersnot available
KeywordsMeta-analysisPoolingComputer scienceSystematic reviewQuality (philosophy)MEDLINERisk analysis (engineering)Data scienceMedicineArtificial intelligence

Abstract

fetched live from OpenAlex

Meta-analyses can be an excellent method to summarize the existing literature of studies concerning orthopaedic implants and devices. It is important to understand how meta-analyses are conducted and to be able to evaluate whether a meta-analysis has strong methodological rigor to help with clinical decisions. This paper begins with an overview of what a meta-analysis is and why it is useful. The second section provides the important characteristics of conducting a meta-analysis. The third section will provide detail of how to interpret a meta-analysis, including topics such as the quality of the included studies, comparing the results between studies, pooling data, and how to interpret the results. The benefits and limitations are presented, along with recommendations of how to ensure future high-quality meta-analyses. Meta-analyses are useful for synthesizing the results of multiple primary studies and can provide excellent evidence for clinical decisions; however, it is important that methodological flaws are limited.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.015
metaresearch head score (Gemma)0.131
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesMetaresearch, Insufficient payload (model declined to judge)
Consensus categoriesnone
DomainCandidate signal: Methods · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: Not applicable
GenreCandidate signal: Methods · Consensus signal: none
Teacher disagreement score0.985
Threshold uncertainty score0.924

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0150.131
Meta-epidemiology (narrow)0.0030.002
Meta-epidemiology (broad)0.0040.008
Bibliometrics0.0120.015
Science and technology studies0.0010.001
Scholarly communication0.0030.003
Open science0.0050.002
Research integrity0.0040.004
Insufficient payload (model declined to judge)0.3520.096

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.395
GPT teacher head0.540
Teacher spread0.145 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

Study designNot applicable
DomainMethods
GenreMethods

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations1
Published2007
Admission routes1
Has abstractyes

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