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Record W2114577833 · doi:10.3174/ajnr.a1628

Neuroimaging in Superficial Siderosis: An In-Depth Look

2009· review· en· W2114577833 on OpenAlexaboutno aff
Neeraj Kumar

Bibliographic record

VenueAmerican Journal of Neuroradiology · 2009
Typereview
Languageen
FieldMedicine
TopicIntracerebral and Subarachnoid Hemorrhage Research
Canadian institutionsnot available
Fundersnot available
KeywordsSuperficial siderosisMedicineSiderosisNeuroimagingCentral nervous systemMagnetic resonance imagingRadiologyPathologyCerebral amyloid angiopathyDiseaseInternal medicine

Abstract

fetched live from OpenAlex

<h3>Background:</h3> There is an urgent need to inform decision-making and safe delivery of vaccines in a timely manner. Our objective is to describe the methods we used to perform a patient-oriented realist evaluation of COVID-19 vaccination implementation in Saskatchewan, Canada, in order to understand the underlying mechanisms and contexts of vaccination implementation and vaccine uptake. <h3>Methods:</h3> This methodology paper describes a patient-oriented, realist, mixed-method evaluation to assess COVID-19 vaccination implementation in Regina, Saskatoon and Prince Albert, Saskatchewan. The study comprised 3 iterative phases guided by Realist And Meta-narrative Evidence Synthesis: Evolving Standards II (RAMESES II). In phase 1 (January–February 2021), we developed the initial program theory, in phase 2 (March–May 2021), we tested and refined the initial program theory, and in phase 3 (June–July 2021), we established the final program theory. Three patient and family partners with different backgrounds and experiences were selected purposively from various locations (urban and rural) in Saskatchewan to engage collaboratively in the evaluation. Data analysis and synthesis occurred at all 3 phases of the project. We analysed qualitative data from phases 2 and 3 using a “retroductive” approach. We used quantitative data to compare outcomes from the 3 sites. <h3>Interpretation:</h3> This protocol describes how we developed a final program theory for COVID-19 vaccination implementation with patient and family partners to show for whom, under what circumstances, how and why Saskatchewan’s COVID-19 vaccination program has led to vaccine uptake. With patient and family partners’ engagement, the evaluation findings will be shared with the Saskatchewan Health Authority and provincial government policy-makers and communications departments, published in peer-reviewed journals, presented at provincial or national conferences, and disseminated through any additional media identified by the patient and family partners.

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)0.003
metaresearch head score (Gemma)0.013
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: none
GenreCandidate signal: Review · Consensus signal: Review
Teacher disagreement score0.005
Threshold uncertainty score0.018

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0030.013
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0040.002
Science and technology studies0.0010.004
Scholarly communication0.0030.006
Open science0.0010.002
Research integrity0.0020.003
Insufficient payload (model declined to judge)0.0050.001

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 head0.059
GPT teacher head0.382
Teacher spread0.323 · 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 designNot applicable
Domainnot available
GenreReview

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

Citations160
Published2009
Admission routes1
Has abstractyes

Explore more

Same venueAmerican Journal of NeuroradiologySame topicIntracerebral and Subarachnoid Hemorrhage ResearchFrench-language works237,207