Predictive Value of Musculoskeletal Ultrasound for Flares in Juvenile Idiopathic Arthritis
Bibliographic record
Abstract
I have read with great interest the recent publication by Zhao, et al 1 on the predictive value of musculoskeletal ultrasound for flares of patients with juvenile idiopathic arthritis that is clinically inactive. Based on their evaluation, the authors suggest that the positive predictive value (PPV) of ultrasound (US) findings for clinical flares is very low at 12% and that a second US had even less PPV. The authors describe that synovitis on US was assessed through B-mode, identifying effusion and synovial hypertrophy as well as Doppler US. Looking at their results and one table in particular, it is nevertheless striking that 11 wrist joints were considered abnormal on US with all … Address correspondence to Dr. J. Roth. E-mail: jroth{at}cheo.on.ca
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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 | 0.002 | 0.002 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.002 | 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 | 0.001 | 0.003 |
| 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".