A179 PREVALENCE OF CHRONIC DIARRHEA AMONGST PATIENTS FOLLOWED IN GASTROENTEROLOGY
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Bibliographic record
Abstract
The prevalence of chronic diarrhea in patients followed in gastroenterology is unknown. To measure the prevalence of chronic diarrhea and assess the clinical characteristics that are associated with chronic diarrhea. Prospective study (October 2016 to February 2017) conducted at the CHUM’s gastroenterology clinic (Centre Hospitalier de l’Université de Montréal). All patients 18 years old or older and capable of giving consent filled an anonymous questionnaire (10 minutes) on demographic characteristics, clinical symptoms and objective criteria of chronic diarrhea. Answers were computerized to facilitate analysis. 268 patients were included in the study (mean age: 48.6 ± 14.4 years old, 62% women, 92% Caucasians). The overall prevalence of chronic diarrhea was 29,5%, but variations were observed between groups of patients with different underlying pathologies. The prevalence was 43% in indeterminate colitis, 41% in irritable bowel syndrome, 38% in Crohn’s disease and 23% in ulcerative colitis. In patients with active inflammatory bowel disease, the prevalence was higher than in inactive disease (43,7 vs 12,3%: p<0.05). Compared to the group without chronic diarrhea, the group with chronic diarrhea had more: 1) fecal incontinence (63 vs 48%; p<0.05), 2) Crohn’s disease (52 vs 35%; p<0.05), 3) ileal resection (29 vs 13%; p<0.05) and 4) partial colectomy (25 vs 8%; p<0.001). The study demonstrates a high prevalence of chronic diarrhea (29%) amongst patients consulting in our gastroenterology clinic. This prevalence remains high in patients with inactive inflammatory bowel disease (12,3%) and is associated with a high prevalence of fecal incontinence (63%). None
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Full frame distilled prediction
Teacher imitationNot 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.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it