{"id":"W2913164855","doi":"10.1177/0271678x19827944","title":"Elevated brain oxygen extraction fraction measured by MRI susceptibility relates to perfusion status in acute ischemic stroke","year":2019,"lang":"en","type":"article","venue":"Journal of Cerebral Blood Flow & Metabolism","topic":"Advanced MRI Techniques and Applications","field":"Medicine","cited_by":74,"is_retracted":false,"has_abstract":true,"ca_institutions":"Concordia University; Montreal Heart Institute","funders":"National Institute of Neurological Disorders and Stroke; University College London","keywords":"Medicine; Perfusion; Cerebral blood flow; Stroke (engine); Magnetic resonance imaging; Perfusion scanning; Cardiology; Ischemia; Diffusion MRI; Internal medicine; Lesion; Nuclear medicine; 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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001022338,0.00024591,0.0003257478,0.0002291459,0.00009037919,0.0003033222,0.0001845099,0.0003796794,0.0008452333],"category_scores_gemma":[0.002001418,0.0001176597,0.0001260877,0.000262818,0.0002820862,0.0002593431,0.0001688368,0.0004172716,0.0001316342],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001526257,"about_ca_system_score_gemma":0.0002349704,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0004318622,"about_ca_topic_score_gemma":0.0005730322,"domain_scores_codex":[0.9998146,0.0001085717,0.00001506347,0.00001883371,0.00002323221,0.00001982411],"domain_scores_gemma":[0.9993095,0.0002441238,0.0002888334,0.00004572467,0.00005522448,0.0000564332],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.1667993,0.007737264,0.4165049,0.001449586,0.000840934,0.0005867486,0.0004163584,0.003375475,0.1841698,0.0005165684,0.003452505,0.2141504],"study_design_scores_gemma":[0.003813592,0.02668951,0.9493584,0.0000790016,0.000374921,0.0005705947,0.00009937979,0.004074197,0.01319729,0.0006389888,0.00106506,0.00003902852],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.99784,0.0009691625,0.0003128841,0.0001189941,0.00001207145,0.00009032296,0.0001295603,0.00001037368,0.0005165742],"genre_scores_gemma":[0.9981397,0.0006532011,0.000573632,0.00008112031,0.00003744059,0.00007881338,0.000263774,0.000003401384,0.0001688252],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001022338,"threshold_uncertainty_score":0.005406737,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.008308922910512351,"score_gpt":0.2847480810077238,"score_spread":0.2764391580972114,"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."}}