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Record W2263272002

Opioid poisoning and availability of specialized medical care in Ontario, 2002-2006

2010· dissertation· en· W2263272002 on OpenAlexfundaboutno aff
Scott Veldhuizen

Bibliographic record

VenueBrock University Digital Repository (Brock University) · 2010
Typedissertation
Languageen
FieldMedicine
TopicOpioid Use Disorder Treatment
Canadian institutionsnot available
FundersBrock UniversityUniversity of TorontoUniversity of Windsor
KeywordsLimitingMedicineOpioidIncidence (geometry)DemographicsEmergency medicineMedical prescriptionOpioid overdoseDrug overdoseEpidemiologyEmergency departmentEnvironmental healthPoison controlMedical emergencyDemographyPsychiatry(+)-NaloxonePharmacologyInternal medicine
DOInot available

Abstract

fetched live from OpenAlex

The prescription of opioid analgesics has risen sharply in North America over the past \ntwo decades. This increase has been accompanied by a rise in overdoses. The \npresent study draws on administrative data collected from emergency department \ncontacts to describe the epidemiology of opioid overdose in Ontario b~tween 2002 \nand 2006 and to examine the role of regional variation in availability of specialist \ncare. \nThe number of poisonings increased from 1250 (10.9 per 100,000) in FY2002 to \n1816 (15.2 per 100,000) in FY2005. Local concentration of specialist physicians was \nsignificantly associated with the incidence of opioid overdose, inversely at most \nlevels of availability, but positively at very high levels. Regional variation in \nincidence was also associated with demographics, median family income, and the rate \nof other drug poisonings. Policy options for limiting opioid-related harms are limited, \nbut improvements in monitoring and clinical management may prove valuable.

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)0.000
metaresearch head score (Gemma)0.002
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: Observational
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.035
Threshold uncertainty score0.250

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.002
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0010.003
Science and technology studies0.0020.000
Scholarly communication0.0010.000
Open science0.0010.001
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0040.001

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 head0.006
GPT teacher head0.202
Teacher spread0.196 · 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.

The models applied no category: nothing in the taxonomy fit this work.
Study designObservational
Domainnot available
GenreEmpirical

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
Published2010
Admission routes2
Has abstractyes

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Same venueBrock University Digital Repository (Brock University)Same topicOpioid Use Disorder TreatmentFrench-language works237,207