{"id":"W2775542014","doi":"10.1093/neuros/nyx432","title":"i-Factor™ Bone Graft vs Autograft in Anterior Cervical Discectomy and Fusion: 2-Year Follow-up of the Randomized Single-Blinded Food and Drug Administration Investigational Device Exemption Study","year":2017,"lang":"en","type":"article","venue":"Neurosurgery","topic":"Cervical and Thoracic Myelopathy","field":"Medicine","cited_by":45,"is_retracted":false,"has_abstract":true,"ca_institutions":"Toronto Western Hospital; University of Toronto; University Health Network","funders":"","keywords":"Medicine; Investigational device exemption; Anterior cervical discectomy and fusion; Visual analogue scale; Surgery; Spinal fusion; Clinical trial; Internal medicine; Cervical spine","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":[0.0006800352,0.0001840054,0.0006849333,0.0001107631,0.0002030808,0.00009247008,0.00009050391,0.00008174173,0.00004870912],"category_scores_gemma":[0.001176459,0.0001236295,0.0001363985,0.0001351686,0.0003210067,0.0001639748,0.0001585053,0.0002329451,0.000001250079],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00001415077,"about_ca_system_score_gemma":0.0000892853,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00006430119,"about_ca_topic_score_gemma":0.000364387,"domain_scores_codex":[0.9981323,0.0003300315,0.0006063266,0.000353241,0.0004051052,0.0001729574],"domain_scores_gemma":[0.9986361,0.0004068786,0.0003440326,0.0003864925,0.00008074852,0.0001457953],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.03212583,0.0006768409,0.9492169,0.0002289919,0.00004113661,0.00004858186,0.001020711,2.115805e-7,0.009810491,0.00009145991,0.00001116636,0.006727655],"study_design_scores_gemma":[0.04644335,0.0002904094,0.9503172,0.0001938067,0.0001035592,0.00005014194,0.0001023986,0.0001550309,0.00188123,0.0002845589,0.00005775497,0.0001205712],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9948032,0.00007451756,0.000006067085,0.003580198,0.0003959112,0.000994314,0.00001345226,0.00002485951,0.0001074683],"genre_scores_gemma":[0.9994225,0.0000340945,0.00005003553,0.0002518324,0.00009592738,0.00004377183,0.000008545954,0.00001696557,0.00007634745],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01431752,"threshold_uncertainty_score":0.5041463,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04059691906188857,"score_gpt":0.2909312533109379,"score_spread":0.2503343342490493,"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."}}