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Record W3210734153 · doi:10.1136/thoraxjnl-2021-217880

Mesothelioma among vehicle mechanics: a controversy?

2021· letter· en· W3210734153 on OpenAlexaff
Patrick A. Hessel

Bibliographic record

VenueThorax · 2021
Typeletter
Languageen
FieldMedicine
TopicOccupational and environmental lung diseases
Canadian institutionsCanadian Pacific Railway (Canada)
Fundersnot available
KeywordsAsbestosisMedicineAsbestosMesotheliomaLung cancerDocumentationMedical diagnosisOccupational diseasePathologyLungInternal medicine

Abstract

fetched live from OpenAlex

The paper by Thomsen et al 1 is a significant contribution to the now-substantial body of literature on the relationship between asbestos-related diseases and vehicle repair work. It is a large study, inclusive of all registered vehicle mechanics in the country for the designated years, with a mean follow-up time of 20 years and a maximum of 45 years. Several comprehensive administrative databases were linked for exposure and disease outcomes. The numbers of outcomes for the three main diseases of interest produced relatively narrow CIs. The authors present data indicating that reliance on administrative databases for health outcomes was unlikely to be a problem for mesothelioma and lung cancer; however, it is reasonable to question the validity of the diagnoses of asbestosis based on administrative data alone. As the authors point out, the statistically significant elevation in asbestosis mortality and morbidity is somewhat puzzling given the relatively high exposures required for asbestosis and the relatively low asbestos exposures experienced by vehicle mechanics. The existing literature does not support a positive relationship between asbestosis and vehicle repair work.2–5 The authors suggested that diagnostic bias may have played a role, but this is speculative. The result warrants further examination, possibly a nested case–control study with documentation of the diagnostic criteria supporting the database entries, blinded re-evaluation of the available diagnostic material, and further exploration of complete occupational histories. The investigators observed a slight elevation in lung cancer risk. The results are consistent with those from an earlier meta-analysis6 and are unremarkable. Studies of potential asbestos-related diseases among vehicle mechanics have focused primarily on risk of …

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 distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesInsufficient payload (model declined to judge)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: Not applicable
GenreCandidate signal: Commentary · Consensus signal: Commentary
Teacher disagreement score0.017
Threshold uncertainty score0.998

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.001
Insufficient payload (model declined to judge)0.0020.000

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 head0.014
GPT teacher head0.245
Teacher spread0.231 · 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 teacher head, not a consensus.

Study designNot applicable
Domainnot available
GenreCommentary

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
Published2021
Admission routes1
Has abstractyes

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