{"id":"W4411678985","doi":"10.1016/j.injury.2025.112544","title":"Letter to the Editor: The importance of using validated case definitions in the epidemiology of concussion","year":2025,"lang":"en","type":"letter","venue":"Injury","topic":"Traumatic Brain Injury Research","field":"Medicine","cited_by":0,"is_retracted":false,"has_abstract":false,"ca_institutions":"BC Children's Hospital; Provincial Health Services Authority","funders":"Michael Smith Health Research BC","keywords":"Concussion; Epidemiology; Psychology; Medicine; Injury prevention; Medical emergency; Poison control; Pathology","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":["metaresearch"],"consensus_categories":[],"category_scores_codex":[0.009115446,0.0006710335,0.001554297,0.001178139,0.002586681,0.003808123,0.00231015,0.02849413,0.002908825],"category_scores_gemma":[0.09415662,0.0007323428,0.0006515845,0.00129034,0.002627196,0.003175302,0.001110415,0.0199054,0.003290279],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.003781739,"about_ca_system_score_gemma":0.005111558,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004183312,"about_ca_topic_score_gemma":0.006365501,"domain_scores_codex":[0.9895738,0.005468,0.00197287,0.0008174531,0.001682093,0.0004857893],"domain_scores_gemma":[0.9498301,0.02960161,0.004363636,0.001236671,0.01180465,0.00316333],"domain_codex":null,"domain_gemma":"methods","domain_candidate":"methods","domain_consensus":null,"study_design_codex":"not_applicable","study_design_gemma":"not_applicable","study_design_scores_codex":[0.00008736382,0.00004066187,0.003966483,0.000108224,0.00003447073,0.002719079,0.0002305274,0.00008521951,0.00007846186,0.00126959,0.9828756,0.008504415],"study_design_scores_gemma":[0.0004718399,0.0001817555,0.01128199,0.0020391,0.0001664123,0.01492661,0.002488789,0.002298907,0.0006085437,0.01463756,0.9506507,0.0002478682],"study_design_candidate":"not_applicable","study_design_consensus":"not_applicable","genre_codex":"commentary","genre_gemma":"commentary","genre_scores_codex":[0.0007593234,0.0006473769,0.00009732992,0.9762789,0.02097621,0.0000131923,0.00005145417,0.00001428464,0.001161872],"genre_scores_gemma":[0.01294032,0.001254306,0.0004843824,0.8833122,0.09955942,0.00006189042,0.00004692371,0.00002345207,0.002316965],"genre_candidate":"commentary","genre_consensus":"commentary","teacher_disagreement_score":0.9908845,"threshold_uncertainty_score":0.04820764,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1928369579452795,"score_gpt":0.4202514577470753,"score_spread":0.2274144998017958,"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."}}