{"id":"W3195504355","doi":"10.1007/s12630-021-02091-2","title":"Long-term opioid use in seniors following hip and knee arthroplasty in Ontario: a historical cohort study","year":2021,"lang":"en","type":"article","venue":"Canadian Journal of Anesthesia/Journal canadien d anesthésie","topic":"Opioid Use Disorder Treatment","field":"Medicine","cited_by":17,"is_retracted":false,"has_abstract":true,"ca_institutions":"Institute for Clinical Evaluative Sciences; Sunnybrook Health Science Centre; Western University; Health Sciences Centre; Queen's University","funders":"Agency for Healthcare Research and Quality; Ontario Ministry of Health and Long-Term Care; Institute for Clinical Evaluative Sciences","keywords":"Medicine; Knee replacement; Opioid; Arthroplasty; Medical prescription; Cohort; Confidence interval; Odds ratio; Cohort study; Hip replacement; Osteoarthritis; Anesthesia; Physical therapy; Surgery; Internal medicine","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"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":[0.0004855005,0.0003494787,0.0003278567,0.001131137,0.002105677,0.0007698869,0.000756828,0.0003726791,0.001185288],"category_scores_gemma":[0.001253708,0.000404864,0.0005058412,0.002263739,0.0007284943,0.0004081188,0.0007500505,0.0004717786,0.0001772937],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.007467054,"about_ca_system_score_gemma":0.007837914,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9325704,"about_ca_topic_score_gemma":0.9596447,"domain_scores_codex":[0.9993623,0.00003873087,0.00005102417,0.000118062,0.0002305929,0.0001992384],"domain_scores_gemma":[0.998769,0.00004284424,0.0004738183,0.00007166485,0.0003502436,0.0002923579],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00002530779,0.00001664464,0.998665,0.00001317919,0.00002385971,0.0000644894,0.0003499796,0.00001149291,0.00007785891,0.00001847777,0.0001751448,0.000558625],"study_design_scores_gemma":[0.000003683927,0.00002409967,0.9990543,0.00001263967,0.00001439633,0.00007074065,0.0004456371,0.00004901913,0.00001106275,0.000007178078,0.0003034747,0.000003752462],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9974034,0.0002485954,0.00006583468,0.00008130063,0.000006805342,0.00003295178,0.001418599,0.000003143266,0.0007393257],"genre_scores_gemma":[0.9985234,0.0002557733,0.00007300671,0.00007197321,0.000008049214,0.00001369695,0.0007812216,0.000001381155,0.0002714738],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0674296,"threshold_uncertainty_score":0.1356534,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01381531388910534,"score_gpt":0.2272455496766081,"score_spread":0.2134302357875028,"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."}}