{"id":"W2124927564","doi":"10.1148/radiol.2243990978","title":"The Empty Delta Sign","year":2002,"lang":"en","type":"article","venue":"Radiology","topic":"Cerebral Venous Sinus Thrombosis","field":"Medicine","cited_by":72,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of British Columbia","funders":"","keywords":"Medicine; Superior sagittal sinus; Thrombosis; Neurosurgery; Venous thrombosis; Radiology; Surgery","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":[0.000131519,0.00008110136,0.0002006027,0.00002615401,0.0001461953,0.000005952395,0.0001031851,0.00009263035,0.001075083],"category_scores_gemma":[0.0001496581,0.00005027128,0.00006609253,0.00009073323,0.0001744581,0.00001594096,0.00002462205,0.0001578192,0.0006633394],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00006036923,"about_ca_system_score_gemma":0.00001465744,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00003947517,"about_ca_topic_score_gemma":0.00002530957,"domain_scores_codex":[0.9992886,0.00006641808,0.000138715,0.0001540756,0.00007266917,0.0002795311],"domain_scores_gemma":[0.9993362,0.000195877,0.00003272378,0.0003300932,0.00002937608,0.00007577136],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"not_applicable","study_design_gemma":"not_applicable","study_design_scores_codex":[0.0001246605,0.000338375,0.05624872,0.0000309254,0.0003974028,0.0001650713,0.001256969,0.000008818373,0.009040999,0.01125899,0.8012478,0.1198813],"study_design_scores_gemma":[0.002252075,0.001811755,0.2657252,0.00002392829,0.0002096216,0.00391697,0.0001876481,0.00211181,0.001281952,0.001535627,0.7206289,0.0003145308],"study_design_candidate":"not_applicable","study_design_consensus":"not_applicable","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9320779,0.003630474,0.0001558746,0.01657712,0.0005366755,0.0003558892,0.000004743761,0.0001541024,0.0465072],"genre_scores_gemma":[0.9939078,0.0003228733,0.0002419142,0.001586122,0.0002977052,0.00001092237,0.000004774959,0.00001488938,0.003613004],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.2094764,"threshold_uncertainty_score":0.9998381,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02891527514862097,"score_gpt":0.2611167589253074,"score_spread":0.2322014837766864,"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."}}