{"id":"W2891271377","doi":"10.1186/s12954-018-0252-8","title":"Evaluation of a fentanyl drug checking service for clients of a supervised injection facility, Vancouver, Canada","year":2018,"lang":"en","type":"article","venue":"Harm Reduction Journal","topic":"Opioid Use Disorder Treatment","field":"Medicine","cited_by":215,"is_retracted":false,"has_abstract":true,"ca_institutions":"Vancouver Coastal Health; Public Health Agency of Canada; St. Paul's Hospital; University of British Columbia","funders":"Vancouver Coastal Health","keywords":"Medicine; Harm reduction; Fentanyl; Public health; Heroin; Emergency medicine; Drug; Medical emergency; Drug overdose; Odds ratio; Environmental health; Poison control; Psychiatry; Anesthesia; Nursing; 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":[0.001796194,0.0004169557,0.0004194801,0.0006574246,0.003921408,0.001576233,0.002820877,0.0006305986,0.0051852],"category_scores_gemma":[0.005854058,0.0006318655,0.0003799242,0.001016984,0.000949982,0.0003753371,0.001390156,0.001221473,0.0005045853],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.03630487,"about_ca_system_score_gemma":0.08958986,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9557318,"about_ca_topic_score_gemma":0.9848258,"domain_scores_codex":[0.9971058,0.0004978403,0.00009129715,0.0001685938,0.001101638,0.001034838],"domain_scores_gemma":[0.9905254,0.0007462127,0.0006486637,0.000120139,0.004672685,0.003287042],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.001174315,0.00501913,0.831086,0.0009333529,0.0001581038,0.001113572,0.01331983,0.0005832521,0.00262227,0.0002355474,0.008286763,0.1354678],"study_design_scores_gemma":[0.0002949745,0.00466986,0.9460323,0.0005942591,0.0001276428,0.0004232758,0.0366278,0.001469648,0.0008285904,0.00007489757,0.008794085,0.00006258558],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9907005,0.0004238405,0.0002476981,0.0008842631,0.00002199024,0.001616508,0.0006130994,0.00004590711,0.005446195],"genre_scores_gemma":[0.9893405,0.001058535,0.002123042,0.0007341086,0.00001596315,0.0005655121,0.0006366108,0.00001649731,0.005509229],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.04426819,"threshold_uncertainty_score":0.2634115,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04283234423191682,"score_gpt":0.3182588929075641,"score_spread":0.2754265486756473,"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."}}