P189 Prospective Validation Study Regarding Disease Complications of the Toronto IBD Global Endoscopic Reporting (TIGER) Score in Ulcerative Colitis and Crohn’s Disease Patients
Bibliographic record
Abstract
Abstract Background The recently developed TIGER endoscopy score was established to reliably describe disease severity as it can be utilized for both Ulcerative Colitis (UC) and Crohn’s disease (CD) patients.1 The aim of this study was to assess the TIGER score’s ability to predict outcomes regarding complications such as surgeries, hospitalizations, and drug or disease-related side effects in a sample of both UC and CD patients. Methods A cohort of 78 patients with UC (n=40) and CD (n=38) were included in a 52-week multiple visit prospective study. Each visit included patient interviews, IBD disk questionnaire, blood draws for C-reactive protein (CRP), and fecal calprotectin (FC). Endoscopy was performed at baseline. Baseline total TIGER scores were dichotomized as <100 (remission-mild activity) or ≥100 (moderate-severe activity) as a predictor of complications such as surgeries, hospitalizations, and side effects. Results At baseline, compared to patients with TIGER scores <100, UC patients with TIGER scores ≥100 had significantly higher CRP, FC, and IBD disk. In CD patients, at baseline, compared to patients with TIGER scores <100, patients with TIGER scores ≥100 had significantly higher CRP, FC, and IBD disk. In terms of hospitalizations, at 52-weeks, compared to patients with baseline TIGER scores <100, UC and CD patients with baseline TIGER scores ≥100 had a significantly increased likelihood of being hospitalized (p<0.02). More specifically, at 52-weeks, 38.5% and 34.5% of UC and CD patients with baseline TIGER scores ≥100 experienced at least one disease-related hospitalization, respectively. Comparatively, there were zero hospitalizations in UC or CD patients with baseline TIGER scores <100. In terms of surgeries, at 52-weeks, 0% and 11.1% of UC and CD patients with baseline TIGER scores <100 had surgery compared to 3.9% and 24.1% of UC and CD patients with baseline TIGER scores ≥100, respectively. In terms of side effects, at 52-weeks, compared to patients with baseline TIGER scores <100, UC and CD patients with baseline TIGER scores ≥100 had a significantly increased likelihood of reporting a side effect from both medications and the disease (p<0.006). More specifically, 0% and 11.1% of UC and CD patients with baseline TIGER scores <100 reported medication and disease side effects compared to 11.5% and 19.2% of UC and CD patients with baseline TIGER scores ≥100, respectively. Conclusion The TIGER endoscopic score demonstrates significant association with CRP, FC and IBD disk in both UC and CD patients. Moreover, the TIGER score can be utilized as a measure to predict the likelihood of UC and CD patients with moderate-to-severe disease burden experiencing a disease complications. 1. Zittan E, et al. J Crohns Colitis 2022;16:544-553.
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 imitationNot 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.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.004 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.001 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 0.001 |
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.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
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".