{"id":"W4415566092","doi":"10.1503/cmaj.250670","title":"Trends in prescription opioid use for pain in Canada: a population-based repeated cross-sectional study of 6 provinces","year":2025,"lang":"en","type":"article","venue":"Canadian Medical Association Journal","topic":"Opioid Use Disorder Treatment","field":"Medicine","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"Institut National d'Excellence en Santé et en Services Sociaux; Canadian Institutes of Health Research; University of Alberta; Canadian Institute for Health Information","funders":"","keywords":"Medical prescription; Opioid; Chronic pain; Opioid-Related Disorders; MEDLINE; Acute pain","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":true,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001009048,0.0004055423,0.0005952138,0.0021512,0.002192107,0.001328,0.001422625,0.0005001144,0.001236651],"category_scores_gemma":[0.002541344,0.0006089003,0.001023405,0.00591761,0.0006543114,0.0004841164,0.001003471,0.0008494399,0.0002453267],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.02324222,"about_ca_system_score_gemma":0.02851957,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9925736,"about_ca_topic_score_gemma":0.9944059,"domain_scores_codex":[0.9983784,0.0001219548,0.0001242948,0.0002821653,0.0006829096,0.000410327],"domain_scores_gemma":[0.9965307,0.0001468353,0.0006857946,0.0001349368,0.001942144,0.0005595409],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00003318163,0.00001849274,0.9981695,0.00001716893,0.00005840773,0.00002453179,0.0001936802,0.00006472574,0.00008878038,0.00001742743,0.0003610319,0.000953001],"study_design_scores_gemma":[0.000005144784,0.00001474222,0.9989908,0.0000112034,0.00001898515,0.00003101885,0.0003573123,0.0002182096,0.00003421862,0.000004879529,0.0003081019,0.000005371281],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9854996,0.0003823974,0.0002251886,0.0002187565,0.000009788028,0.00008368756,0.01243942,0.00002480372,0.001116244],"genre_scores_gemma":[0.9936559,0.0003169565,0.0005049644,0.0001099388,0.000005785745,0.00004524129,0.004883551,0.000009736113,0.000467869],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02324222,"threshold_uncertainty_score":0.1686349,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01266302412954917,"score_gpt":0.2804254971592373,"score_spread":0.2677624730296881,"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."}}