{"id":"W2019577509","doi":"10.1016/j.aan.2014.08.002","title":"Ultrasound Guidance for Central Neuraxial Anesthesia and Analgesia","year":2014,"lang":"en","type":"article","venue":"Advances in Anesthesia","topic":"Anesthesia and Pain Management","field":"Medicine","cited_by":2,"is_retracted":false,"has_abstract":false,"ca_institutions":"Toronto Western Hospital; University of Toronto","funders":"","keywords":"Medicine; Neuraxial blockade; Palpation; Hematoma; Anesthesia; Epidural hematoma; Epidural space; Surgery; Spinal anesthesia","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":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.0005353119,0.0002813834,0.0004650538,0.0001393504,0.0001027709,0.00003734248,0.0001602184,0.0001058478,0.00002276826],"category_scores_gemma":[0.0001240515,0.0002521959,0.0001016659,0.0002282646,0.0001785756,0.0002514201,0.00000768094,0.0001358234,0.00001096556],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00004678799,"about_ca_system_score_gemma":0.00003639989,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00001404151,"about_ca_topic_score_gemma":0.00001828776,"domain_scores_codex":[0.9982003,0.0001138329,0.0003759326,0.0005024796,0.0002398208,0.0005676351],"domain_scores_gemma":[0.9988722,0.0004075491,0.0001191811,0.000368126,0.00004922946,0.0001837133],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0006494272,0.0001938843,0.9409888,0.0005451259,0.00002129348,0.0004417338,0.000313187,0.0002034733,0.0003449214,0.03606853,0.001410748,0.01881881],"study_design_scores_gemma":[0.00141383,0.0004436988,0.5342285,0.0001418814,0.00005861298,0.001853355,0.00009582556,0.0009082201,0.0001703204,0.0020833,0.4583178,0.0002846976],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9776848,0.004825267,0.006541426,0.00760426,0.0000425372,0.001440114,3.669484e-7,0.0001624529,0.001698781],"genre_scores_gemma":[0.9830573,0.001013288,0.00814671,0.006783477,0.0002717797,0.0001163936,0.00002030364,0.00004976143,0.0005410525],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.456907,"threshold_uncertainty_score":0.999993,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.008542935787066993,"score_gpt":0.2637032297589906,"score_spread":0.2551602939719236,"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."}}