Inhaled and Nasal Corticosteroid Use and the Risk of Fracture
Bibliographic record
Abstract
Studies of the risk of fracture associated with inhaled corticosteroids are inconclusive and are limited to short-term effects. We assessed whether long-term use increases this risk. We conducted a case control study nested within a population-based cohort of all Quebec elderly dispensed respiratory medications and followed for at least 4 years during 1988-2001. There were 9,624 new cases of fracture of the hip or upper extremities and 191,622 age-matched control subjects (mean age of 81 years). The rate of any such fracture for current inhaled corticosteroid use was not elevated (rate ratio [RR], 0.97; 95% confidence interval [CI], 0.92-1.03). For upper-extremity fracture, the rate increased by 12% (RR, 1.12; 95% CI, 1.04-1.19) with every 1,000-microg increase in the daily dose of inhaled corticosteroids, but not for hip fracture (RR, 0.97; 95% CI, 0.88-1.07). Among subjects followed for over 8 years, the rate of hip fracture was only elevated with daily doses of more than 2,000 microg of inhaled corticosteroids (RR, 1.61; 95% CI, 1.04-2.50). The rate was not elevated at any dose of nasal corticosteroids. In conclusion, the long-term use of inhaled and nasal corticosteroids at the usual recommended doses is not associated with a risk of fracture in older patients with respiratory disease.
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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 | 0.006 |
| 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 | 0.006 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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".