{"id":"W4412828567","doi":"10.1001/jamanetworkopen.2025.24635","title":"Health Care Use Before Multiple Sclerosis Symptom Onset","year":2025,"lang":"en","type":"article","venue":"JAMA Network Open","topic":"Multiple Sclerosis Research Studies","field":"Medicine","cited_by":12,"is_retracted":false,"has_abstract":true,"ca_institutions":"Nova Scotia Health Authority; Dalhousie University; University of Manitoba; Vancouver Coastal Health","funders":"European Genomic Institute for Diabetes; Canadian Institutes of Health Research; Multiple Sclerosis Society; Multiple Sclerosis Scientific Research Foundation; Biogen","keywords":"Medicine; Cohort; Specialty; Diagnosis code; Population; Multiple sclerosis; Pediatrics; Relative risk; Cohort study; Medical record; Health care; Demography; Family medicine; Internal medicine; Confidence interval; Psychiatry; Environmental health","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0003765252,0.000186683,0.0003334841,0.001043521,0.0005808535,0.0008840401,0.0005572084,0.0004227,0.002383719],"category_scores_gemma":[0.0023696,0.0001605694,0.0003622313,0.002764015,0.0002799434,0.0003693,0.0004523928,0.0006851204,0.0002664304],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00201183,"about_ca_system_score_gemma":0.002406846,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.4463208,"about_ca_topic_score_gemma":0.5267193,"domain_scores_codex":[0.9990624,0.0001217931,0.00009979052,0.000181237,0.0003241342,0.0002106851],"domain_scores_gemma":[0.9975991,0.0002290617,0.00138806,0.00007949107,0.0003523915,0.0003519269],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0000418883,0.00001540013,0.9958037,0.00006639557,0.00008147836,0.00006106061,0.00008664464,0.00004875044,0.00008417042,0.00003756766,0.0005899518,0.003082988],"study_design_scores_gemma":[0.000002118219,0.00001191466,0.999166,0.00004371673,0.00001810689,0.00006074753,0.0000518312,0.00005991677,0.00002208631,0.00001193465,0.0005491321,0.000002546434],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9724223,0.005433745,0.0001971029,0.0007548373,0.00006235484,0.00005637805,0.01627293,0.0000285263,0.004771747],"genre_scores_gemma":[0.9943257,0.001108599,0.0001477602,0.0001663219,0.00004139948,0.00001667705,0.003611749,0.000003922921,0.000577821],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.4463208,"threshold_uncertainty_score":0.8874458,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.07859067518338715,"score_gpt":0.3592290630607418,"score_spread":0.2806383878773546,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}