{"id":"W2800246526","doi":"10.1097/brs.0000000000002697","title":"A Systematic Review of the Utility of the Hoffmann Sign for the Diagnosis of Degenerative Cervical Myelopathy","year":2018,"lang":"en","type":"review","venue":"Spine","topic":"Cervical and Thoracic Myelopathy","field":"Medicine","cited_by":16,"is_retracted":false,"has_abstract":true,"ca_institutions":"McGill University Health Centre; Montreal General Hospital","funders":"","keywords":"Myelopathy; Medicine; Checklist; Inclusion and exclusion criteria; Meta-analysis; Magnetic resonance imaging; Spinal cord compression; Sign (mathematics); MEDLINE; Likelihood ratios in diagnostic testing; Radiology; Systematic review; Cervical vertebrae; Diagnostic accuracy; Spinal cord; Surgery; Internal medicine; Pathology; Psychology","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":[0.01883835,0.002175857,0.01239526,0.01538492,0.001126579,0.003497622,0.002764284,0.002759001,0.005081997],"category_scores_gemma":[0.08504386,0.001491787,0.008578032,0.01414,0.001428769,0.003662717,0.002020533,0.001269649,0.0004681089],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00767824,"about_ca_system_score_gemma":0.01921657,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.008518912,"about_ca_topic_score_gemma":0.0257271,"domain_scores_codex":[0.9751804,0.008648533,0.00994131,0.001707588,0.003928605,0.0005936583],"domain_scores_gemma":[0.9404486,0.03733572,0.01394454,0.0009686515,0.006744454,0.0005581221],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"systematic_review","study_design_gemma":"systematic_review","study_design_scores_codex":[0.000169983,0.000009599127,0.001123203,0.9790589,0.01029086,0.0001039711,0.0001344746,0.0000577377,0.0001033554,0.0000938355,0.0007048672,0.008149235],"study_design_scores_gemma":[0.0004241831,0.0002199635,0.005149374,0.8837476,0.1018847,0.0004078723,0.000335743,0.0001118063,0.0001763909,0.0001845955,0.007311286,0.00004645843],"study_design_candidate":"systematic_review","study_design_consensus":"systematic_review","genre_codex":"review","genre_gemma":"review","genre_scores_codex":[0.003576381,0.9900539,0.0005028001,0.0005221589,0.000268264,0.003096511,0.001491737,0.00002388613,0.0004643438],"genre_scores_gemma":[0.05827277,0.9269146,0.003275181,0.001451724,0.0002116667,0.008703201,0.0008408826,0.00001570817,0.0003143499],"genre_candidate":"review","genre_consensus":"review","teacher_disagreement_score":0.01883835,"threshold_uncertainty_score":0.09962791,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0617815422977252,"score_gpt":0.3567121302495664,"score_spread":0.2949305879518412,"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."}}