P644 Post-operative Crohn’s disease recurrence in Glasgow: How common is it and does deprivation matter?
Notice bibliographique
Résumé
Abstract Background 50% of patients with Crohn’s disease (CD) will have surgery within the first 10 years, with 35% requiring additional surgery in the following decade. The REMIND cohort-linked male gender, smoking and previous resection to recurrence1. The link between CD and deprivation is debated, while its influence on recurrence is unknown. We aimed to define our local post-operative CD population, highlighting recurrence rates and associated risk factors. Methods CD resections between 2008 and 2014 were identified from NHS Greater Glasgow and Clyde Pathology Archive. Data including gender, age at diagnosis/resection, Montreal classification and smoking status was obtained from the Electronic Patient Record (EPR). Scottish Index of Multiple Deprivation (SIMD) score was determined by postcode and was ranked 1–5 (most to least deprived). Five years of follow-up data were collected. The type of recurrence was recorded as clinical recurrence - symptom flare requiring a course of steroids or inpatient admission; biochemical recurrence—faecal calprotectin >250 µg/l; endoscopic recurrence; or surgical recurrence—the need for further Crohn’s disease-related surgery. Results 304 patients (59.5% female) were included. Median age at diagnosis was 29 (range 3–82 years) and at resection was 43 (range 17–85 years). 52.9% of patients were never-smokers, 16.5% were ex-smokers and 30.6% were current smokers. 33.6% of patients had a SIMD score of 1. Eighty-two per cent had ileal, colonic or ileocolonic involvement. 46.7% of patients had clinical recurrence, 48.7% biochemical recurrence and 31.6% endoscopic recurrence. 15.8% required further surgery for CD. For clinical recurrence, younger age at diagnosis (p = 0.012, and younger age at resection (p = 0.002) were significant determinants. Gender, smoking and SIMD were not significantly associated with recurrence. Chemical recurrence showed similar associations. Similarly, for surgical recurrence, younger age at diagnosis (p = 0.030, and younger age at resection (p = 0.003) were significant determinants. Male gender was the only risk factor for endoscopic recurrence (OR=1.88, 95% CI: 1.13–3.08). Conclusion Our data suggest rates of post-operative recurrence in line with published data. Risk factors were similar to those identified in the REMIND study, with younger age at diagnosis/resection associated with higher rates of recurrence. Our data suggest sociodemographic deprivation does not influence recurrence rates; however,, more work is needed to validate this. References
Récupéré en direct depuis OpenAlex et désinversé. Les résumés ne sont pas conservés dans cette base de données : les index inversés représentent 8,6 Go des 9,3 Go de texte de la base, et le serveur dispose de 13 Go libres.
Comment cette classification a été obtenuedéplier
Prédiction machine sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Le volet Gemma est une étiquette directe du modèle pour chaque travail de la base, lue sur la notice réduite au titre. Le volet Codex est un classifieur appris des 10 348 étiquettes directes de Codex et calibré sur les taux pondérés de l'échantillon; les champs sans appui suffisant ne portent aucun appel Codex. Le mode candidate est l'union des deux volets; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont pas des étiquettes humaines.
Scores du classifieur distillé par catégorie (deux têtes)
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,001 | 0,004 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,000 | 0,001 |
| Bibliométrie | 0,002 | 0,004 |
| Études des sciences et des technologies | 0,000 | 0,001 |
| Communication savante | 0,001 | 0,001 |
| Science ouverte | 0,001 | 0,001 |
| Intégrité de la recherche | 0,000 | 0,001 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,005 | 0,001 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découleClassification
machine, non validéePrédiction automatique; un appel candidat d’une seule source (Gemma direct ou Codex distillé), pas un consensus.
Le détail, modèle par modèle et score par score, se trouve en fin de page sous « Comment cette classification a été obtenue ».