{"id":"W2409409509","doi":"10.1007/s10143-016-0751-6","title":"The ‘Lumbar Fusion Outcome Score’ (LUFOS): a new practical and surgically oriented grading system for preoperative prediction of surgical outcomes after lumbar spinal fusion in patients with degenerative disc disease and refractory chronic axial low back pain","year":2016,"lang":"en","type":"article","venue":"Neurosurgical Review","topic":"Spine and Intervertebral Disc Pathology","field":"Medicine","cited_by":13,"is_retracted":false,"has_abstract":false,"ca_institutions":"Montreal Neurological Institute and Hospital; McGill University","funders":"","keywords":"Medicine; Oswestry Disability Index; Magnetic resonance imaging; Visual analogue scale; Degenerative disc disease; Lumbar; Surgery; Grading (engineering); Spinal fusion; Neurosurgery; Low back pain; Retrospective cohort study; Radiology; Spinal disease; Back pain; Lumbar disc disease","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":[],"consensus_categories":[],"category_scores_codex":[0.0007928306,0.0003481627,0.0009766675,0.00006856352,0.0001090859,0.00002511026,0.00007738065,0.0001187231,0.00007056486],"category_scores_gemma":[0.001140322,0.0001573345,0.0002077864,0.0001910147,0.0003163636,0.0002509289,0.0001260661,0.0002589668,0.000005559737],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001448325,"about_ca_system_score_gemma":0.0002075059,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000006690963,"about_ca_topic_score_gemma":0.00001994889,"domain_scores_codex":[0.9967592,0.0007619462,0.0009931673,0.0006494202,0.0004469672,0.0003892867],"domain_scores_gemma":[0.998538,0.000221538,0.0002810369,0.0003243717,0.0001965408,0.000438557],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.004483892,0.0006602244,0.9685975,0.005336953,0.00007746688,0.0003513487,0.00003827231,2.353024e-7,0.0004466021,0.001195334,0.0005164764,0.01829567],"study_design_scores_gemma":[0.008301704,0.004804441,0.9725081,0.01070017,0.0002395211,0.0000640506,0.000007144229,0.0001435465,0.00002439362,0.000007735648,0.003004357,0.0001948329],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9844963,0.007649596,0.0005841097,0.004035379,0.0001667994,0.002934176,0.00007922522,0.00002698167,0.00002744965],"genre_scores_gemma":[0.9866002,0.01227512,0.0001182606,0.0003226485,0.000116391,0.0002419444,0.00003613224,0.00003366846,0.0002555963],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01810084,"threshold_uncertainty_score":0.6415914,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02329713128722818,"score_gpt":0.2992982044781203,"score_spread":0.2760010731908922,"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."}}