{"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":"codex-gemma-dda1882f352a","candidate_categories":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.00007843483,0.00006743438,0.0001471972,0.00008938744,0.00001320932,0.000003058863,0.0000507803,0.00008856162,0.001850462],"category_scores_gemma":[0.00008898582,0.00005388342,0.00005012342,0.0001173775,0.0000344647,0.0000349563,0.00003102648,0.0002432171,0.0003017439],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000008852411,"about_ca_system_score_gemma":0.00002526829,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00007002783,"about_ca_topic_score_gemma":0.0004090934,"domain_scores_codex":[0.9994963,0.000005085668,0.0001400756,0.0001406738,0.00006578217,0.0001520538],"domain_scores_gemma":[0.9996948,4.761972e-7,0.00001823245,0.0002022,0.00002306571,0.00006122775],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"observational","study_design_scores_codex":[0.00000511758,0.000113802,0.01714765,0.00001444635,0.000003921291,0.000148359,0.0000628559,1.724012e-7,0.9723581,0.001322967,0.002497744,0.006324847],"study_design_scores_gemma":[0.001092645,0.0003451572,0.9750249,0.00002952256,0.00001002635,0.0001411433,0.00002277717,0.0001749404,0.01719709,0.0001431836,0.005751246,0.00006738283],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9757572,0.00005974934,0.00005598352,0.002579994,0.0003704311,0.0001224032,0.000001338873,0.00003485425,0.02101809],"genre_scores_gemma":[0.9947894,0.00001781066,0.001085482,0.001563913,0.0001964022,0.000008101503,0.00001782541,0.00001022137,0.002310826],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.9578772,"threshold_uncertainty_score":0.999062,"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."}}