{"id":"W4412159003","doi":"10.51731/cjht.2025.1164","title":"Hourly CT Exam Volumes Across Canada in 2022–2023","year":2025,"lang":"en","type":"article","venue":"Canadian Journal of Health Technologies","topic":"Radiation Dose and Imaging","field":"Medicine","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Environmental science","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001280859,0.0004945999,0.0004107174,0.002015662,0.001723109,0.00253322,0.001619162,0.0005443515,0.004746885],"category_scores_gemma":[0.006906372,0.0004252246,0.0007900526,0.004555242,0.0006605781,0.000827002,0.001049295,0.001303904,0.0009023405],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.05478975,"about_ca_system_score_gemma":0.0539992,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9930046,"about_ca_topic_score_gemma":0.9932088,"domain_scores_codex":[0.9977773,0.0001091039,0.0000937221,0.0001885991,0.001049468,0.0007818303],"domain_scores_gemma":[0.9918514,0.0003843691,0.0007093604,0.0001326459,0.005247946,0.001674335],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0003645105,0.00006194483,0.7085788,0.000434467,0.0002036667,0.0004830292,0.001437239,0.004406388,0.0007275732,0.002334285,0.2107634,0.07020461],"study_design_scores_gemma":[0.00002514532,0.00002723162,0.9442666,0.0002149447,0.0000608159,0.0002943027,0.002276311,0.003778746,0.0004525693,0.0003255901,0.04820836,0.00006945911],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.6153932,0.01428934,0.004294318,0.03746968,0.001129788,0.0002963808,0.2763615,0.001795644,0.04897007],"genre_scores_gemma":[0.9351967,0.004117772,0.002118091,0.003893467,0.0002021289,0.00008915448,0.04554154,0.0002361535,0.008605031],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.05478975,"threshold_uncertainty_score":0.3975293,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0140678178101692,"score_gpt":0.3049822047060123,"score_spread":0.2909143868958431,"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."}}