{"id":"W1542529566","doi":"10.1097/brs.0b013e3182023796","title":"Lumbar Fusion in Octogenarians","year":2010,"lang":"en","type":"article","venue":"Spine","topic":"Spine and Intervertebral Disc Pathology","field":"Medicine","cited_by":128,"is_retracted":false,"has_abstract":true,"ca_institutions":"Discovery Air (Canada)","funders":"NuVasive; NYSE Euronext","keywords":"Medicine; Surgery; Lumbar; Blood loss; Retrospective cohort study; Complication; Blood transfusion; Spinal fusion; Demographics; Prospective cohort study","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":[0.0003853894,0.0001585644,0.0002542541,0.00102603,0.0004056538,0.0003983414,0.0001158366,0.0002631324,0.001342546],"category_scores_gemma":[0.001173083,0.0001867416,0.0003140982,0.001057712,0.000159504,0.0002589081,0.0002851768,0.0001978326,0.0001987542],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003469442,"about_ca_system_score_gemma":0.0003383244,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004892291,"about_ca_topic_score_gemma":0.00624792,"domain_scores_codex":[0.9995862,0.00009896661,0.00006311938,0.00009050802,0.00007890065,0.00008228543],"domain_scores_gemma":[0.9993894,0.0001111464,0.0003099956,0.00004080557,0.0000650189,0.00008352639],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00013352,0.00003775075,0.9979731,0.00001517563,0.00002309654,0.0001782938,0.00003824437,0.00001288581,0.00006670376,0.00001449433,0.0001135471,0.001393235],"study_design_scores_gemma":[0.00002978519,0.0003205708,0.9980013,0.00001333703,0.00003464027,0.0008850688,0.0001403183,0.00008439656,0.00004251167,0.00001952113,0.0004256234,0.000002875607],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9979,0.0004921393,0.000088143,0.00003295027,0.000009819121,0.0000457724,0.0007410008,0.000002817331,0.0006873433],"genre_scores_gemma":[0.9980909,0.0003017531,0.0001438433,0.0001587943,0.00004255049,0.0000722837,0.001006719,0.000001244138,0.0001817505],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.004892291,"threshold_uncertainty_score":0.009727597,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01210104793179431,"score_gpt":0.2958626905184733,"score_spread":0.283761642586679,"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."}}