{"id":"W2616264227","doi":"10.1017/cem.2017.146","title":"LO84: Computed tomography use for headache presentations to emergency departments in Alberta: regional, site and physician level variation","year":2017,"lang":"en","type":"article","venue":"Canadian Journal of Emergency Medicine","topic":"Radiology practices and education","field":"Medicine","cited_by":1,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Alberta","funders":"","keywords":"Medicine; Triage; Headaches; Emergency department; Computed tomography; Ambulatory; Pediatrics; Emergency medicine; Radiology; Surgery","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":[0.0004228563,0.0001313159,0.0003069337,0.0004680383,0.0003734477,0.00001214502,0.0001316424,0.00007067656,0.000183535],"category_scores_gemma":[0.001410726,0.0001145718,0.00007647878,0.0002110228,0.0000638409,0.0004726158,0.000006948081,0.0001788828,0.000002874827],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00006672747,"about_ca_system_score_gemma":0.0003099935,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.04112127,"about_ca_topic_score_gemma":0.1592081,"domain_scores_codex":[0.9987717,0.00005896579,0.00058377,0.0001780223,0.0001445094,0.0002630058],"domain_scores_gemma":[0.9980622,0.000109367,0.0004929896,0.0002594073,0.00041524,0.0006607738],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001810808,0.0001054496,0.7875109,0.00006657623,0.0002396612,0.00001980266,0.004903046,0.00004133047,0.001041599,0.0008100108,0.2039564,0.001124137],"study_design_scores_gemma":[0.001106715,0.0004551497,0.9305433,0.00009815283,0.0002005457,0.00002453752,0.0003314801,0.0002582481,0.000008250203,0.0003727869,0.06650551,0.00009533447],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9382357,0.0006648864,0.0009415632,0.05475131,0.00419113,0.0005710826,0.0000208601,0.00000245063,0.0006210366],"genre_scores_gemma":[0.9953326,0.0004836754,0.00110698,0.0005605639,0.001264262,0.00001815239,0.00006515256,0.0000175262,0.00115111],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1430324,"threshold_uncertainty_score":0.965264,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.2335043483076837,"score_gpt":0.4188330507163091,"score_spread":0.1853287024086253,"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."}}