{"id":"W2417101041","doi":"10.1227/neu.0000000000000949","title":"A Cost-Utility Analysis of Lumbar Decompression With and Without Fusion for Degenerative Spine Disease in the Elderly","year":2015,"lang":"en","type":"article","venue":"Neurosurgery","topic":"Spine and Intervertebral Disc Pathology","field":"Medicine","cited_by":68,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto; Toronto Western Hospital; University Health Network","funders":"","keywords":"Medicine; Oswestry Disability Index; Quality-adjusted life year; Decompression; Quality of life (healthcare); Lumbar; Degenerative disc disease; Physical therapy; Surgery; Spinal fusion; Population; Back pain; Cost effectiveness; Low back pain","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":[0.00249755,0.0005825559,0.000704587,0.00155232,0.0001749315,0.0008434613,0.0004438387,0.0004188224,0.001939694],"category_scores_gemma":[0.007461226,0.0001851159,0.002116072,0.0009120109,0.0002836753,0.0004368871,0.0005253572,0.0004936643,0.00009205681],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.002383032,"about_ca_system_score_gemma":0.0007550148,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004557191,"about_ca_topic_score_gemma":0.002628194,"domain_scores_codex":[0.999047,0.0006339324,0.0000494581,0.00006913004,0.0001245079,0.00007608441],"domain_scores_gemma":[0.9971463,0.00217818,0.0003009315,0.00005085158,0.0001502325,0.000173484],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.03779314,0.001746737,0.5727217,0.001271386,0.009794183,0.0009241803,0.0002005469,0.2900962,0.002885085,0.00302286,0.002146524,0.07739757],"study_design_scores_gemma":[0.002162572,0.0117857,0.5013708,0.0002758906,0.005053098,0.001282786,0.0005361027,0.4717211,0.001000034,0.003359955,0.001332746,0.0001191583],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.995514,0.001669123,0.001371634,0.0002102773,0.00001251592,0.00008000567,0.0005374996,0.000007733186,0.0005972447],"genre_scores_gemma":[0.9989579,0.0001691349,0.0004849948,0.00002067206,0.000007117457,0.00002971065,0.0002643809,0.00000130898,0.00006477037],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.004557191,"threshold_uncertainty_score":0.01729023,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.07975254708155906,"score_gpt":0.347696240419037,"score_spread":0.2679436933374779,"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."}}