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Record W7055188785

Characterization of Clostridium difficile from patients in Ontario hospitals

2007· dissertation· en· W7055188785 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

aboutThe title or abstract carries a Canadian signal from the geographic lexicon.
no affNo Canadian affiliation: this work is invisible to an affiliation-only frame.
No Canadian affiliation. An affiliation-only frame, the usual design, would never have seen this work. It is one of the works that make the case for inverting the frame.

Bibliographic record

VenueThe Atrium (University of Guelph) · 2007
Typedissertation
Languageen
FieldEngineering
TopicLaser Design and Applications
Canadian institutionsnot available
Fundersnot available
KeywordsClindamycinLevofloxacinClostridium difficileMetronidazoleOutbreakClostridiaceaeAntibiotic resistanceAntibioticsFeces
DOInot available

Abstract

fetched live from OpenAlex

The characteristics of 'Clostridium diffiile' strains recovered from patients in Ontario healthcare facilities were studied. ' Clostridium difficile' toxin ELISA positive fecal samples were collected from 21 Ontario healthcare facilities between March 2005 and April 2006. Positive isolates were obtained from 1080/1152 (94%) samples, and were PCR-ribotyped. Presence of 'C. difficile' toxins A, B and CDT ribotypes was determined. Antimicrobial susceptibility was tested with the antimicrobials metronidazole, vancomycin, levofloxacin and clindamycin using E-tests. Presence of 'tcdC' gene deletion and toxinotyping was performed on all 39 distinct ribotypes. One ribotype accounted for 25% of isolates, while ribotype 027/NAP1, an internationally recognized outbreak strain, accounted for 19% of isolates. CDT prevalence was unexpectedly high (34.8%), and 6 ribotypes had a deletion in the 'tcdC' gene. One isolate showed reproducible metronidazole resistance but resistance was eventually lost during serial passage culture. 1080, 1076 and 0 isolates were susceptible to vancomycin, clindamycin and levofloxacin respectively.

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.

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 categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.965
Threshold uncertainty score0.971

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 integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

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 head0.008
GPT teacher head0.185
Teacher spread0.177 · 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