{"id":"W2256643717","doi":"10.1161/str.44.suppl_1.a115","title":"Abstract 115: Venous Phase Acquisition Is the Best Bolus Timing to Increase Spot Sign Detection in ICH, But Frequency and Extent of Hematoma Expansion Are Greater in Spot Signs Detected in the Arterial Phase of CTA","year":2013,"lang":"en","type":"article","venue":"Stroke","topic":"Intracerebral and Subarachnoid Hemorrhage Research","field":"Medicine","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Calgary; Hôpital Charles-Le Moyne; Sunnybrook Health Science Centre; Dalhousie University; University of Ottawa","funders":"","keywords":"Medicine; Hematoma; Bolus (digestion); Radiology; Prospective cohort study; Nuclear medicine; Intracerebral hemorrhage; Internal medicine","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":[0.0007372799,0.0002918942,0.0003623808,0.0004056437,0.0001372419,0.0005981164,0.0001826531,0.0002719896,0.006920217],"category_scores_gemma":[0.003971811,0.000109224,0.0002599888,0.0005083552,0.0002454537,0.0004083984,0.0001994292,0.0002229561,0.001000773],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001828829,"about_ca_system_score_gemma":0.0003046147,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0003127109,"about_ca_topic_score_gemma":0.0003819395,"domain_scores_codex":[0.9995956,0.0001169611,0.00007241152,0.00007750661,0.00009995096,0.00003758173],"domain_scores_gemma":[0.9979573,0.0007252653,0.0008100102,0.0001115793,0.0002427265,0.0001530324],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.005551199,0.0001396662,0.950682,0.0003303642,0.0001737368,0.0002925802,0.00005089065,0.0001224751,0.01000903,0.00005385473,0.00113405,0.03146007],"study_design_scores_gemma":[0.0001241814,0.002194715,0.9884725,0.00004644493,0.0002641178,0.002508231,0.0000544403,0.0007832327,0.004631591,0.00008202409,0.000827244,0.0000112685],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9964474,0.0005246506,0.00085828,0.00005406724,0.00002220219,0.00004647971,0.0005519797,0.00004021524,0.001454769],"genre_scores_gemma":[0.9983841,0.0001493626,0.0006082774,0.0000248357,0.00004018811,0.00002926659,0.000414498,0.00001148389,0.0003378916],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.006920217,"threshold_uncertainty_score":0.02315044,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02771364598720249,"score_gpt":0.3003490447035336,"score_spread":0.2726353987163311,"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."}}