{"id":"W2006558385","doi":"10.1148/radiol.2473070551","title":"White Matter Thresholds for Ischemic Penumbra and Infarct Core in Patients with Acute Stroke: CT Perfusion Study","year":2008,"lang":"en","type":"article","venue":"Radiology","topic":"Acute Ischemic Stroke Management","field":"Medicine","cited_by":96,"is_retracted":false,"has_abstract":true,"ca_institutions":"Foothills Medical Centre; Health Sciences Centre; Sunnybrook Health Science Centre; London Health Sciences Centre; Lawson Health Research Institute","funders":"","keywords":"Penumbra; Medicine; Perfusion; Perfusion scanning; Stroke (engine); Cerebral blood flow; Radiology; Angiography; White matter; Nuclear medicine; Magnetic resonance imaging; Ischemia; Cardiology","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":[0.0003801988,0.0004308205,0.000543553,0.000761267,0.0002034182,0.0005860919,0.0002570733,0.0005954598,0.001472467],"category_scores_gemma":[0.003993625,0.0001780904,0.0002008593,0.0004499125,0.000279232,0.0004262544,0.0002508854,0.000357845,0.0004653492],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002780477,"about_ca_system_score_gemma":0.0002967907,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0008489593,"about_ca_topic_score_gemma":0.0009343129,"domain_scores_codex":[0.9997879,0.00004558881,0.00003773222,0.00004355404,0.00004762009,0.00003750942],"domain_scores_gemma":[0.9989512,0.0002930223,0.0003869702,0.00004481449,0.00009957085,0.0002243038],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.001270538,0.0000866199,0.9912714,0.0000228593,0.0000366411,0.0008289062,0.0000763588,0.00021476,0.002481317,0.00005174684,0.0001290932,0.003529897],"study_design_scores_gemma":[0.00004676189,0.0004606636,0.9957489,0.00001380083,0.00002817174,0.002193683,0.00007575415,0.0006281746,0.0006054298,0.00006901093,0.0001227398,0.000006840748],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9992065,0.0001746898,0.0001642303,0.00002320588,0.000003601593,0.00001849778,0.0000776268,0.000004535207,0.0003271679],"genre_scores_gemma":[0.9994897,0.00004879133,0.0001764374,0.00002373285,0.000009575229,0.00001975796,0.0001776106,0.000002218109,0.00005231856],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001472467,"threshold_uncertainty_score":0.004925907,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01186437616200412,"score_gpt":0.2468554622054863,"score_spread":0.2349910860434822,"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."}}