{"id":"W3161296165","doi":"10.1136/rapm-2021-102479","title":"Effect of preoperative cannabis use on perioperative outcomes: a retrospective cohort study","year":2021,"lang":"en","type":"article","venue":"Regional Anesthesia & Pain Medicine","topic":"Cannabis and Cannabinoid Research","field":"Medicine","cited_by":27,"is_retracted":false,"has_abstract":true,"ca_institutions":"Programs for Assessment of Technology in Health Research Institute; Impact; McMaster University","funders":"","keywords":"Medicine; Cannabis; Perioperative; Retrospective cohort study; Propensity score matching; Nausea; Incidence (geometry); Vomiting; Cohort study; Confounding; Anesthesia; Postoperative nausea and vomiting; Internal medicine; Psychiatry","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":[0.00287487,0.0004422347,0.0007399621,0.001446227,0.0007238542,0.0009389553,0.000690246,0.0005332566,0.00158294],"category_scores_gemma":[0.006400712,0.0006182704,0.001097465,0.002226242,0.0006576045,0.0008275605,0.0007814353,0.0007159887,0.0002519452],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005439462,"about_ca_system_score_gemma":0.0009999198,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.005738158,"about_ca_topic_score_gemma":0.005824478,"domain_scores_codex":[0.9970109,0.0006380951,0.000650704,0.0007868328,0.000618225,0.0002950675],"domain_scores_gemma":[0.9923897,0.001315015,0.003848624,0.001224756,0.0006462114,0.0005756756],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.000176404,0.00002939396,0.9986274,0.00003270296,0.000211647,0.00009433512,0.00005885431,0.00002497137,0.00009041388,0.0000214963,0.0000784842,0.0005539787],"study_design_scores_gemma":[0.00003357209,0.0002938116,0.9976069,0.00004190241,0.0003139511,0.0007380312,0.0002294247,0.0002726206,0.00008054224,0.00004773263,0.0003269445,0.00001467812],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9978384,0.000716962,0.0003399912,0.00004581062,0.00001473081,0.00005834566,0.0007582731,0.00000450289,0.0002229182],"genre_scores_gemma":[0.9987084,0.00028872,0.0002031189,0.00003994194,0.000018336,0.00004144403,0.0006386127,0.000003998743,0.0000574858],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.005738158,"threshold_uncertainty_score":0.01520395,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01814121226078615,"score_gpt":0.3188581643572956,"score_spread":0.3007169520965094,"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."}}