{"id":"W4307181892","doi":"10.21203/rs.3.rs-2181815/v1","title":"Proximal Hyperdense Middle Cerebral Artery Sign is Associated with Increased Risk of Hemorrhagic Transformation after Endovascular Thrombectomy: A Multi-center Retrospective Study","year":2022,"lang":"en","type":"preprint","venue":"Research Square","topic":"Acute Ischemic Stroke Management","field":"Medicine","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Zhongnan Hospital of Wuhan University; Wuhan University","keywords":"Medicine; Sign (mathematics); Middle cerebral artery; Center (category theory); Endovascular treatment; Retrospective cohort study; Single Center; Radiology; Cardiology; Internal medicine; Aneurysm; Ischemia","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0003661816,0.0002533041,0.0004103536,0.0009006878,0.0004929444,0.0005609377,0.0003011063,0.0004466608,0.001848556],"category_scores_gemma":[0.0013481,0.0004167477,0.0004279361,0.001016281,0.0003511026,0.0006023639,0.0004394605,0.0003956721,0.0002415322],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001817134,"about_ca_system_score_gemma":0.0003235827,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001552293,"about_ca_topic_score_gemma":0.001421382,"domain_scores_codex":[0.9996244,0.00007149676,0.0000560308,0.0001022496,0.00007386317,0.00007194339],"domain_scores_gemma":[0.9989905,0.0001430993,0.0004704806,0.00009684319,0.0001000299,0.0001989981],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00005557398,0.00001541909,0.9991772,0.000005089064,0.00002738283,0.000325349,0.00002497621,0.00001031434,0.00007861552,0.000006440631,0.00002745209,0.0002462693],"study_design_scores_gemma":[0.000008952617,0.0001054091,0.996935,0.00000557802,0.0000452436,0.002387859,0.0001772077,0.0001375028,0.00005579831,0.00001812664,0.0001174825,0.000005738983],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9994841,0.0001872867,0.00006124126,0.00001350489,0.00000322805,0.000006792485,0.0000773483,0.00000148739,0.0001650358],"genre_scores_gemma":[0.9996817,0.00008634254,0.00003954946,0.00001250404,0.00001290412,0.000005401377,0.0001196048,8.218099e-7,0.0000411699],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001848556,"threshold_uncertainty_score":0.006183982,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04025104511594913,"score_gpt":0.3168473373903454,"score_spread":0.2765962922743963,"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."}}