{"id":"W4200366698","doi":"10.1177/08465371211052012","title":"Doing More With Less: CT and MRI Utilization in Canada 2003–2019","year":2021,"lang":"en","type":"letter","venue":"Canadian Association of Radiologists Journal","topic":"Radiation Dose and Imaging","field":"Medicine","cited_by":15,"is_retracted":false,"has_abstract":false,"ca_institutions":"Hamilton Health Sciences; Ottawa Hospital; McMaster University","funders":"","keywords":"Medicine; Radiology; Computed tomography; Nuclear medicine","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":[0.0004372794,0.0002139314,0.0006127445,0.0004944394,0.0001022915,0.00006632177,0.0001045123,0.000202564,0.00007865401],"category_scores_gemma":[0.0005688372,0.0001979316,0.00004685324,0.0004764859,0.00004341017,0.0001349481,0.00000759996,0.001550494,9.817087e-7],"about_ca_system_candidate":true,"about_ca_system_consensus":true,"about_ca_system_score_codex":0.008153129,"about_ca_system_score_gemma":0.01936384,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.8883806,"about_ca_topic_score_gemma":0.9822238,"domain_scores_codex":[0.9981049,0.000193766,0.0005152452,0.0002488065,0.0004609382,0.0004763666],"domain_scores_gemma":[0.9982163,0.0001189491,0.0007728273,0.0001585203,0.0004638495,0.0002695191],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"not_applicable","study_design_gemma":"not_applicable","study_design_scores_codex":[0.000004293624,0.00000228254,0.3282591,0.00004155157,0.0001151245,0.002445071,0.00006435657,0.0001137556,0.000001901057,0.00000261166,0.6664105,0.002539425],"study_design_scores_gemma":[0.001334909,0.00004664256,0.2193908,0.0005427775,0.0001330927,0.002579439,0.000483748,0.0003958528,0.00001696633,0.000005354442,0.774799,0.0002714104],"study_design_candidate":"not_applicable","study_design_consensus":"not_applicable","genre_codex":"commentary","genre_gemma":"commentary","genre_scores_codex":[0.05487493,0.005280363,0.0002365976,0.9356261,0.001147851,0.0005113081,0.0002264787,0.00001902181,0.002077332],"genre_scores_gemma":[0.2457032,0.006910925,0.001946924,0.7307898,0.004034594,0.00001729758,0.001758873,0.0001906984,0.00864774],"genre_candidate":"commentary","genre_consensus":"commentary","teacher_disagreement_score":0.2048363,"threshold_uncertainty_score":0.9956544,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01593244728948081,"score_gpt":0.2383114331857594,"score_spread":0.2223789858962786,"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."}}