{"id":"W2064297426","doi":"10.1111/j.1553-2712.2000.tb02260.x","title":"Variation in Utilization of Computed Tomography Scanning for the Investigation of Minor Head Trauma in Children: A Canadian Experience","year":2000,"lang":"en","type":"article","venue":"Academic Emergency Medicine","topic":"Traumatic Brain Injury and Neurovascular Disturbances","field":"Medicine","cited_by":152,"is_retracted":false,"has_abstract":true,"ca_institutions":"Centre Hospitalier Universitaire Sainte-Justine; University of British Columbia; University of Toronto; Western University; Alberta Children's Hospital; Alberta Health; University of Manitoba; Health Sciences Centre; Children's Hospital of Eastern Ontario; University of Calgary; University of Alberta","funders":"","keywords":"Medicine; Computed tomography; Variation (astronomy); Minor (academic); Head trauma; Head (geology); Radiology; Surgery; Humanities","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.000598063,0.000114475,0.0002940141,0.0003398265,0.00003993311,2.31722e-7,0.0001442426,0.0001182483,0.0002643342],"category_scores_gemma":[0.0002224668,0.00008582753,0.00005818617,0.001151302,0.0001650307,0.000087603,0.00000409672,0.0002051709,3.53976e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00003023256,"about_ca_system_score_gemma":0.00007470798,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.02017101,"about_ca_topic_score_gemma":0.005036178,"domain_scores_codex":[0.9984058,0.00007139844,0.0008881632,0.0002085929,0.0002377769,0.0001883094],"domain_scores_gemma":[0.9993784,0.0001080291,0.0001825221,0.0001848827,0.00006379379,0.00008241271],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001000732,0.00002923992,0.969256,0.0001385414,0.00003942251,3.462075e-7,0.01584569,0.00015459,0.003396659,0.0002535332,0.000329878,0.01045604],"study_design_scores_gemma":[0.001292996,0.000187093,0.9926891,0.0005402434,0.0000596325,0.000005516519,0.0004405206,0.002876791,0.001427102,0.0002379595,0.000175551,0.00006749802],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.99351,0.003954669,0.0002057021,0.0010696,0.0001626095,0.0009101967,0.00000923336,0.000009787786,0.0001681774],"genre_scores_gemma":[0.9986244,0.0007962052,0.000125449,0.0001927369,0.00009429319,0.00007215211,0.00005604075,0.000009637457,0.00002905427],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02343311,"threshold_uncertainty_score":0.9863538,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.06363942431572184,"score_gpt":0.3303161250099607,"score_spread":0.2666767006942388,"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."}}