Identifying Resolution of Clinically Suspect Arthralgia: A Step Toward Understanding Spontaneous Reversal of an At-Risk Stage of Rheumatoid Arthritis
Bibliographic record
Abstract
Objective Symptoms in the at-risk stage of clinically suspect arthralgia (CSA) can progress to rheumatoid arthritis (RA) or disappear spontaneously. The area of reversal of an at-risk stage is yet unexplored. Therefore, we aimed to determine its definition by evaluating patient-reported and rheumatologist-reported measures, and examine characteristics at baseline and over time of at-risk individuals with reversal. Methods We followed 845 consecutively included patients with CSA for 2 years. Reversal was assessed as patient-reported resolution of pain (pain score ≤ 20 on a numerical rating scale [NRS] 0-100) and as resolution of CSA, as defined by the rheumatologist (clinical outcomes recorded in medical records were obtained). Clinical and functional characteristics and magnetic resonance imaging (MRI)-detected subclinical joint inflammation were studied over time. Results Among patients eligible for reversal, pain resolution was achieved in 244/505 patients (48%) and rheumatologist-defined CSA resolution in 357/505 (71%). Patients with CSA resolution but persistent pain had pain from causes other than CSA or imminent RA. Patients with pain resolution without CSA resolution had remaining inflammatory symptoms (eg, morning stiffness). Reversal of the at-risk stage was therefore best defined as rheumatologist-confirmed resolution of CSA. Patients achieving CSA resolution had similar levels of subclinical joint inflammation at presentation, but less pain, fatigue, and morning stiffness than those without CSA resolution. Over time, patients with CSA resolution improved spontaneously in subclinical joint inflammation (incidence rate ratio 0.87/year, 95% CI 0.80-0.95, P = 0.001) and functional disabilities (β −0.07/year, 95% CI −0.09 to −0.05, P < 0.001). Conclusion Clinically, reversal of at-risk stage is better defined by rheumatologist-confirmed resolution of CSA, rather than a single patient-reported measure such as pain. CSA resolution was associated with improved subclinical joint inflammation and functional disabilities. This identification is a step toward investigating mechanisms underlying reversal of RA risk.
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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 | 0.005 | 0.016 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.002 | 0.001 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.002 | 0.003 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 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 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".