{"id":"W2142064444","doi":"10.1067/mem.2001.116796","title":"The canadian CT head rule study for patients with minor head injury: Rationale, objectives, and methodology for phase I (derivation)","year":2001,"lang":"en","type":"article","venue":"Annals of Emergency Medicine","topic":"Traumatic Brain Injury and Neurovascular Disturbances","field":"Medicine","cited_by":128,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Alberta; University of Toronto; Western University; University of Ottawa; Queen's University; University of British Columbia; Ottawa Hospital","funders":"Medical Research Council; Medical Research Council Canada","keywords":"Medicine; Head (geology); Head injury; Minor (academic); Derivation; Surgery; Humanities","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":[0.03308901,0.002633724,0.002187964,0.001454552,0.003513466,0.002531606,0.002633568,0.00161141,0.00352341],"category_scores_gemma":[0.06575939,0.001829589,0.002478826,0.00315675,0.002686474,0.00100406,0.002001449,0.00201965,0.00108744],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.007950655,"about_ca_system_score_gemma":0.04259598,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.1530741,"about_ca_topic_score_gemma":0.2288041,"domain_scores_codex":[0.9761835,0.01312729,0.002764107,0.001765353,0.004364184,0.001795555],"domain_scores_gemma":[0.9707633,0.006635617,0.003334933,0.005938441,0.0112899,0.002037842],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.232453,0.00743832,0.4861015,0.005112816,0.005708539,0.0007988928,0.004530458,0.004456871,0.006442012,0.02245682,0.03500273,0.189498],"study_design_scores_gemma":[0.1653189,0.03498679,0.587139,0.001842371,0.008899391,0.001034598,0.001453221,0.004456548,0.009665422,0.006197437,0.1783952,0.0006111677],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"protocol","genre_gemma":"methods","genre_scores_codex":[0.4069119,0.006267951,0.03388696,0.003537167,0.001676002,0.4891127,0.02398572,0.0003665285,0.03425509],"genre_scores_gemma":[0.5611801,0.002789087,0.09746189,0.005229691,0.0009700187,0.3054133,0.01970657,0.0002928724,0.006956448],"genre_candidate":"methods","genre_consensus":null,"teacher_disagreement_score":0.1530741,"threshold_uncertainty_score":0.3043663,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.2582358726867188,"score_gpt":0.4544844952651997,"score_spread":0.1962486225784809,"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."}}