Systematic Review of Gallbladder Disease in Type 1 Diabetes Mellitus: Evidence on the Association With Cholecystitis
Bibliographic record
Abstract
Cholecystitis is a common gastrointestinal condition strongly associated with type 2 diabetes mellitus (T2DM). However, the relationship between type 1 diabetes mellitus (T1DM) and cholecystitis is poorly defined. To date, no prior systematic review has specifically evaluated this association. This review aimed to evaluate whether T1DM is associated with cholecystitis, gallstones, or broader gallbladder disease and to identify gaps in the literature. A systematic search of Embase, Ovid Emcare, Ovid MEDLINE, and the NHS Knowledge and Library Hub was conducted (last search April 2025). Eligible studies were observational, comparing people with T1DM to nondiabetic or T2DM populations. Case reports, reviews, and studies not distinguishing between diabetes types were excluded. Risk of bias was assessed using the Newcastle-Ottawa Scale for cohort studies and the Joanna Briggs Institute checklist for cross-sectional studies. Due to heterogeneity, a qualitative synthesis was performed. Four studies met the inclusion criteria: two cross-sectional, one retrospective cohort, and one database analysis. Evidence was inconsistent. One cohort study reported a reduced gallstone risk in young adults with T1DM (adjusted hazard ratio: 0.48, 95% CI: 0.25-0.92). A pediatric study found no gallstones among 105 children with T1DM. Broader gallbladder disease outcomes showed no consistent associations after adjustment for confounders. Notably, no study specifically evaluated acute cholecystitis. Current evidence does not demonstrate a clinically significant association between T1DM and acute cholecystitis. The small number and heterogeneity of available studies limit the ability to draw firm conclusions. Further large-scale, prospective research using standardized diagnostic criteria is needed.
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How this classification was reachedexpand
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 | 0.008 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.002 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, 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".