{"id":"W2076769820","doi":"10.1097/brs.0b013e318185941a","title":"Lumbar Spinal Arthroplasty","year":2008,"lang":"en","type":"article","venue":"Spine","topic":"Spine and Intervertebral Disc Pathology","field":"Medicine","cited_by":26,"is_retracted":false,"has_abstract":true,"ca_institutions":"Discovery Air (Canada)","funders":"","keywords":"Medicine; Logistic regression; Prosthesis; Arthroplasty; Lumbar; Surgery; Clinical trial; Retrospective cohort study; Physical therapy; Internal medicine","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":[0.001455188,0.0003666953,0.001161654,0.001094571,0.0006551897,0.0008531993,0.0004406596,0.0004490389,0.008207158],"category_scores_gemma":[0.002454458,0.0002620411,0.0007650302,0.00105916,0.0003988692,0.000378722,0.0005572458,0.0003544811,0.002417924],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005210973,"about_ca_system_score_gemma":0.001327922,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0004521523,"about_ca_topic_score_gemma":0.0007705553,"domain_scores_codex":[0.9985437,0.0003151016,0.0002710983,0.0002678666,0.000440308,0.0001620034],"domain_scores_gemma":[0.9979981,0.0004083129,0.0008584441,0.0001933316,0.0003917931,0.0001499808],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"not_applicable","study_design_scores_codex":[0.003713256,0.0009533955,0.924971,0.002079128,0.000467921,0.00254017,0.000228877,0.0001890225,0.001137655,0.0004814667,0.002826331,0.06041177],"study_design_scores_gemma":[0.003404299,0.02422811,0.9003862,0.001408234,0.001281212,0.03430097,0.0007374692,0.0005749063,0.00113709,0.0005786682,0.03191146,0.00005145179],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9538401,0.01361711,0.002330505,0.0003002606,0.0002155362,0.003779437,0.006042435,0.0000566929,0.01981797],"genre_scores_gemma":[0.9824412,0.003306718,0.001901081,0.001160709,0.0004144191,0.003234745,0.005227745,0.00001322982,0.002300056],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.008207158,"threshold_uncertainty_score":0.02745575,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03452331023504383,"score_gpt":0.2989470572341661,"score_spread":0.2644237469991223,"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."}}