{"id":"W1987658906","doi":"10.1161/strokeaha.113.002355","title":"CT Perfusion in Acute Stroke: Added Value or Waste of Time?","year":2013,"lang":"en","type":"letter","venue":"Stroke","topic":"Acute Ischemic Stroke Management","field":"Medicine","cited_by":7,"is_retracted":false,"has_abstract":false,"ca_institutions":"Western University","funders":"","keywords":"Medicine; Acute stroke; Stroke (engine); Perfusion scanning; Perfusion; Radiology; Cardiology; Internal medicine; Tissue plasminogen activator","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":[0.003485144,0.0006264598,0.00183928,0.001388515,0.002008129,0.003741375,0.002412969,0.03243136,0.008005774],"category_scores_gemma":[0.0366981,0.0006925968,0.00110789,0.001463116,0.003118334,0.006608339,0.001343622,0.02437093,0.004776049],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.003640105,"about_ca_system_score_gemma":0.004171726,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004801545,"about_ca_topic_score_gemma":0.0106775,"domain_scores_codex":[0.9967058,0.001207548,0.000661753,0.000237731,0.000798399,0.0003886183],"domain_scores_gemma":[0.9852368,0.008544807,0.0009643646,0.0004395634,0.003090765,0.001723628],"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":[0.0003758296,0.0001345824,0.006974382,0.0003119777,0.00008705655,0.02256384,0.0002231078,0.0003614402,0.0004380565,0.007681286,0.8916305,0.06921795],"study_design_scores_gemma":[0.001328242,0.0004886625,0.01111281,0.005202132,0.000390359,0.08278916,0.002693164,0.00366482,0.001115882,0.08627659,0.8045765,0.0003617863],"study_design_candidate":"not_applicable","study_design_consensus":"not_applicable","genre_codex":"commentary","genre_gemma":"commentary","genre_scores_codex":[0.001288873,0.005936727,0.0001881944,0.9811991,0.005602167,0.000007610802,0.00003797212,0.00002293803,0.005716372],"genre_scores_gemma":[0.03677552,0.01621309,0.001525401,0.7331277,0.2068516,0.0000468711,0.0001108769,0.00005906867,0.00528988],"genre_candidate":"commentary","genre_consensus":"commentary","teacher_disagreement_score":0.03243136,"threshold_uncertainty_score":0.02678198,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01196674533158277,"score_gpt":0.2509045857275775,"score_spread":0.2389378403959947,"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."}}