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Record W2921457490 · doi:10.1093/jcag/gwz006.078

A79 CHARACTERISTICS OF PEDIATRIC INFLAMMATORY BOWEL DISEASE AT DIAGNOSIS RELATED TO EARLIER USE OF BIOLOGIC THERAPY

2019· article· en· W2921457490 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.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenueJournal of the Canadian Association of Gastroenterology · 2019
Typearticle
Languageen
FieldMedicine
TopicMicroscopic Colitis
Canadian institutionsMcMaster Children's Hospital
Fundersnot available
KeywordsMedicineInflammatory bowel diseaseUlcerative colitisDiseaseCohortInternal medicineBiologic AgentsCrohn's diseaseGastroenterology

Abstract

fetched live from OpenAlex

Inflammatory bowel disease (IBD) is usually treated with increasingly potent anti-inflammatory and immunomodulator medications. One of the most efficacious medication classes currently available are biologic agents. Initiation of biologic therapy is often delayed until other therapies are tried. Often, features suggestive of severe disease course are used as justification for starting biologics. However, it is unclear if disease severity is truly connected to biologic response. Clinical, biochemical, and radiographic characteristics can identify pediatric patients with IBD at diagnosis who receive biologic therapy earlier than those without these characteristics. Charts of all pediatric patients with IBD followed at our centre were reviewed. Kaplan-Meier curves were evaluated comparing characteristics at diagnosis with time to initiation of biologics. Data from 198 patients followed at our centre between 2001 and 2015 was analyzed, 57.6% of patients had Crohn’s disease (CD), 27.8% had ulcerative colitis (UC), and 14.6% had IBD-unclassified. The mean follow up time was 47.8 months, and ranged from 9 to 181 months. Overall, 55.5% of the patients received biologics, the mean time to biologic initiation was 21.5 months. Characteristics at diagnosis that were associated with earlier initiation of biologics based on Kaplan-Meier curves for both CD and UC were: older age, higher disease activity index and lower serum albumin level. In our cohort, older patients with more severely active disease and lower serum albumin levels at the time of IBD diagnosis were more likely to initiate biologic therapy earlier than those without these characteristics. Identification of these characteristics may help inform decisions to initiate biologics earlier in the IBD disease course. Prospective studies are needed to better understand how to identify patients with IBD who would benefit from starting biologic therapy at diagnosis. None

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)0.001
Version: codex-gemma-dda1882f352aValidation 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 score0.014
Threshold uncertainty score0.885

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.001
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 head0.010
GPT teacher head0.227
Teacher spread0.217 · 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