Bone Health In Patients With Inflammatory Bowel Disease (IBD)
Bibliographic record
Abstract
Metabolic bone disease is prevalent in persons with immune-mediated inflammatory diseases, including inflammatory bowel disease (IBD). Within these conditions the most common are osteoporosis and reduced bone mineral density (BMD), often termed osteopenia in adult patients, and refer to a decreased mineralization of the bone matrix. This decreased mineralization weakens the resistance of the bone to external forces, thus increasing the risk of fractures when external compressive or deforming forces are applied. Osteoporosis is asymptomatic in the absence of a fracture, and diagnosis generally occurs through the use of programmatic screening (most commonly dual energy x-ray absorption [DEXA]) or incidentally following the occurrence of a fracture. Osteoporosis is defined as a DEXA-measured BMD at the lumbar spine or proximal femur which falls more than 2.5 standard deviations below the mean value for healthy young adults (known as a T-score). BMD decreases of a lesser degree (a T-score falling between -1 and -2.5) are referred to as osteopenia. Osteoporosis is a major public health concern, owing to the significant morbidity and mortality that is attributed to fractures. While fractures may represent a time-limited hardship among persons in otherwise good health and function, major osteoporosis-related fractures, especially those of the femur and spine, can lead to permanent disability and premature mortality. In Canada, approximately 150 people per 100,000 suffer a hip fracture per year, which confers a 3-fold higher risk of mortality.
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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 | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.002 |
| Science and technology studies | 0.002 | 0.000 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.006 | 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".