{"id":"W3213512495","doi":"10.1016/j.bja.2021.10.011","title":"Hospital-, anaesthetist-, and patient-level variation in peripheral nerve block utilisation for hip fracture surgery: a population-based cross-sectional study","year":2021,"lang":"en","type":"article","venue":"British Journal of Anaesthesia","topic":"Hip and Femur Fractures","field":"Medicine","cited_by":29,"is_retracted":false,"has_abstract":false,"ca_institutions":"St. Michael's Hospital; Ottawa Hospital; University of Toronto; Queensway-Carleton Hospital; University of Ottawa","funders":"Ontario Ministry of Health and Long-Term Care; Institute for Clinical Evaluative Sciences; Canadian Institutes of Health Research; University of Ottawa","keywords":"Medicine; Hip fracture; Odds ratio; Nerve block; Peripheral; Cross-sectional study; Peripheral nerve injury; Peripheral nerve; Anesthesia; Population; Surgery; Internal medicine; Osteoporosis; Sciatic nerve","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.000499616,0.0001452399,0.0004087726,0.0001820775,0.0001413494,0.000178207,0.00004758172,0.0001532166,0.00004644828],"category_scores_gemma":[0.0005019814,0.0001576143,0.0001867722,0.0002181365,0.00002966143,0.0002454551,0.000007004318,0.0002835112,3.547634e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001403933,"about_ca_system_score_gemma":0.0003653147,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000826102,"about_ca_topic_score_gemma":0.0002878639,"domain_scores_codex":[0.9982831,0.0001435467,0.0007288036,0.0002387638,0.0004117395,0.0001939981],"domain_scores_gemma":[0.9986674,0.0001184015,0.0004068459,0.0001102929,0.0005648124,0.0001322182],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002832642,0.0008438341,0.9733353,0.00002994572,0.00004544993,0.001100389,0.0005512839,0.0004355359,0.0000261166,0.000006914695,0.0003073237,0.02303461],"study_design_scores_gemma":[0.002368907,0.0009721638,0.9936887,0.0001499145,0.00005746352,0.001268286,0.0002803195,0.0003950637,0.00004061497,0.0001723595,0.0004543854,0.0001518225],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9971327,0.0009821118,0.0004088234,0.0008602006,0.0001808581,0.0003955301,0.00002197659,0.00001117034,0.000006644363],"genre_scores_gemma":[0.9978188,0.00004497092,0.001273569,0.0005513259,0.0001763237,0.00001406406,0.00007354876,0.00002645344,0.00002099386],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02288279,"threshold_uncertainty_score":0.6427323,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01916790767870048,"score_gpt":0.2732307367157095,"score_spread":0.2540628290370091,"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."}}