{"id":"W4392153615","doi":"10.1007/s11469-024-01257-5","title":"Predicting Risk of Heroin Overdose, Remission, Use, and Mortality Using Ensemble Learning Methods in a Cohort of People with Heroin Dependence","year":2024,"lang":"en","type":"article","venue":"International Journal of Mental Health and Addiction","topic":"Opioid Use Disorder Treatment","field":"Medicine","cited_by":3,"is_retracted":false,"has_abstract":true,"ca_institutions":"Université de Montréal; Centre Hospitalier Universitaire Sainte-Justine","funders":"National Health and Medical Research Council; NSW Ministry of Health; University of Sydney","keywords":"Heroin; Health psychology; Heroin dependence; Medicine; Drug overdose; Cohort; Public health; Cohort study; Emergency medicine; Psychology; Psychiatry; Internal medicine; Poison control; Drug","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"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":[0.002553939,0.0004395703,0.0005949739,0.001136487,0.0004728907,0.0007289463,0.0004694197,0.0005145619,0.0007638111],"category_scores_gemma":[0.006226088,0.000211229,0.0007527127,0.000541131,0.0001437233,0.0003967136,0.000666514,0.0009234296,0.0001775431],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004718848,"about_ca_system_score_gemma":0.0005260472,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01305438,"about_ca_topic_score_gemma":0.01059914,"domain_scores_codex":[0.9995684,0.0001925745,0.00003456214,0.00008018394,0.0000662346,0.00005802439],"domain_scores_gemma":[0.9972479,0.001626139,0.0003503006,0.00026146,0.0003023505,0.0002117957],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002238858,0.0001743443,0.9805186,0.000007397463,0.0001216017,0.00008785748,0.0001109752,0.008491002,0.0001925932,0.00004911691,0.0002213724,0.009801323],"study_design_scores_gemma":[0.0000274491,0.0005902136,0.5863455,0.00003819525,0.0001560644,0.000346382,0.0005166736,0.4101471,0.0005321866,0.0009737987,0.0002916972,0.00003480839],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9973435,0.00005297168,0.002099654,0.00007260915,0.00000641825,0.00001483536,0.0002495448,0.00001169181,0.0001488318],"genre_scores_gemma":[0.9980329,0.00004486395,0.001357906,0.00001312194,0.000006472925,0.00001451428,0.0004020747,0.000001640908,0.0001265381],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01305438,"threshold_uncertainty_score":0.02595675,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02365207165597897,"score_gpt":0.3833153598745918,"score_spread":0.3596632882186128,"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."}}