{"id":"W4407592940","doi":"10.1097/aln.0000000000005418","title":"Global Trends in Analgesic Opioid Use in Pregnancy: A Retrospective Cohort Study","year":2025,"lang":"en","type":"article","venue":"Anesthesiology","topic":"Prenatal Substance Exposure Effects","field":"Medicine","cited_by":6,"is_retracted":false,"has_abstract":true,"ca_institutions":"Institute for Clinical Evaluative Sciences; University of Toronto; St. Michael's Hospital","funders":"Health and Medical Research Fund; National Science and Technology Council; Medical Research Council; NSW Ministry of Health; National Health and Medical Research Council; Ontario Ministry of Health and Long-Term Care; Norges Forskningsråd; National Health Research Institutes; World Health Organization; European Commission; Department of Health and Aged Care, Australian Government; University of New South Wales; Health and Welfare Data Science Center; National Institute for Health and Care Research; Australian Government; Institute for Clinical Evaluative Sciences","keywords":"Medicine; Retrospective cohort study; Pregnancy; Analgesic; Opioid; Obstetrics; Cohort study; Opioid-Related Disorders; Anesthesia; Internal medicine; Opioid epidemic","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":[0.001345008,0.0003288133,0.0004262087,0.001043232,0.0004999821,0.0006420127,0.0003593603,0.000456028,0.0007424014],"category_scores_gemma":[0.0023588,0.0006150113,0.0007542062,0.002366134,0.0003296099,0.0006768026,0.0007693773,0.0007615065,0.0002323709],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005691319,"about_ca_system_score_gemma":0.0007531884,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.02448064,"about_ca_topic_score_gemma":0.02129165,"domain_scores_codex":[0.999226,0.0001733075,0.0001301891,0.000241845,0.0001062112,0.0001224575],"domain_scores_gemma":[0.9986511,0.0001778214,0.0005852765,0.0002184139,0.0001906207,0.0001768608],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00003334907,0.000008873612,0.9991409,0.000009646869,0.00005186589,0.00005263389,0.0001002891,0.00001522746,0.00004640121,0.000007785289,0.0000719492,0.0004611514],"study_design_scores_gemma":[0.000005529653,0.00006037778,0.9990757,0.00001418975,0.00004772538,0.0002551499,0.0002485348,0.00005974104,0.00001767207,0.0000082597,0.0002031119,0.000004045699],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9963568,0.0005908872,0.000199218,0.00006849877,0.000008040055,0.00005338043,0.002282723,0.000006003271,0.0004343349],"genre_scores_gemma":[0.9974325,0.000621115,0.0002547849,0.00007269767,0.000007492023,0.0000676519,0.001420743,0.000004815819,0.0001180333],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02448064,"threshold_uncertainty_score":0.04867631,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01210752195802382,"score_gpt":0.2866774225160617,"score_spread":0.2745699005580379,"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."}}