{"id":"W2124063755","doi":"10.1067/mem.2001.116795","title":"Canadian CT head rule study for patients with minor head injury: Methodology for phase II (validation and economic analysis)","year":2001,"lang":"en","type":"article","venue":"Annals of Emergency Medicine","topic":"Clinical practice guidelines implementation","field":"Medicine","cited_by":86,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Alberta; University of Toronto; Western University; Queen's University; University of British Columbia; University of Ottawa","funders":"","keywords":"Medicine; Head injury; Population; Clinical prediction rule; Reliability (semiconductor); Concussion; Prospective cohort study; Nuclear medicine; Poison control; Internal medicine; Surgery; Emergency medicine; Injury prevention","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":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.002350725,0.0001848025,0.0007398173,0.0005021718,0.0001284648,0.000001985144,0.00006837577,0.00004550796,0.001010623],"category_scores_gemma":[0.003565449,0.0001464197,0.0001214273,0.0003555025,0.00005053591,0.0001601966,0.00001852448,0.00007780753,0.000001451423],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00004759066,"about_ca_system_score_gemma":0.000195418,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.1025128,"about_ca_topic_score_gemma":0.2165825,"domain_scores_codex":[0.9975882,0.0001409806,0.001374299,0.0003925767,0.0001854606,0.0003185525],"domain_scores_gemma":[0.9974589,0.0007151161,0.0005295967,0.0003147798,0.0006697156,0.000311836],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.009464337,0.002092121,0.9062604,0.0001236148,0.002719168,0.000003468533,0.001006538,0.00003393598,0.0003320948,0.00006323411,0.0281387,0.04976242],"study_design_scores_gemma":[0.05243624,0.1219353,0.70587,0.0001342269,0.01511251,0.00000892904,0.0037216,0.003172194,0.0009563574,0.001445837,0.09447373,0.0007330517],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9793142,0.0001326872,0.002034973,0.01542342,0.0004336257,0.00237468,0.0002065501,0.00001162818,0.00006823151],"genre_scores_gemma":[0.9952969,0.0002284329,0.001759014,0.0007570806,0.0003363344,0.0001467215,0.001143666,0.00002447993,0.0003073754],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.2003904,"threshold_uncertainty_score":0.9999026,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.5709956868999372,"score_gpt":0.6098575277230609,"score_spread":0.03886184082312372,"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."}}