{"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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.000709022,0.0002446039,0.0006628488,0.0003007606,0.00006201232,0.00002826659,0.0001446858,0.0002390436,0.0003373236],"category_scores_gemma":[0.000203728,0.0002073447,0.0002270938,0.0004615186,0.00002525973,0.0005571157,0.00004138474,0.0009412499,0.00003949886],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001750908,"about_ca_system_score_gemma":0.0001418759,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00006205416,"about_ca_topic_score_gemma":0.0000167484,"domain_scores_codex":[0.9977264,0.00009149014,0.0008770595,0.0003386358,0.0005715919,0.0003947732],"domain_scores_gemma":[0.9982701,0.00008058767,0.0005182882,0.0003894951,0.0004196936,0.0003218362],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.0006228664,0.0004556745,0.009376423,0.00001595145,0.00007273414,0.00000889727,0.0001611664,0.0001843905,0.9744578,0.00002496009,0.006811188,0.007807967],"study_design_scores_gemma":[0.007536983,0.0009085644,0.1235456,0.0002516108,0.0008757761,0.0003893058,0.0004057808,0.001338081,0.7103871,0.000467418,0.1534217,0.0004721371],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9817647,0.0008775601,0.01266327,0.003282568,0.0002353893,0.0007905141,0.00004830218,0.00005962953,0.0002780607],"genre_scores_gemma":[0.9426721,0.0007733846,0.05445326,0.0005101251,0.000261514,0.00001926336,0.00004930443,0.00004589704,0.001215123],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.2640707,"threshold_uncertainty_score":0.8455271,"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."}}