{"id":"W2153181795","doi":"10.2214/ajr.182.2.1820427","title":"MDCT of Acute Lower Gastrointestinal Bleeding","year":2004,"lang":"en","type":"article","venue":"American Journal of Roentgenology","topic":"Gastrointestinal Bleeding Diagnosis and Treatment","field":"Medicine","cited_by":110,"is_retracted":false,"has_abstract":true,"ca_institutions":"Vancouver General Hospital","funders":"","keywords":"Hematochezia; Medicine; Lower gastrointestinal bleeding; Gastrointestinal bleeding; Embolization; Radiology; General surgery; Surgery; Internal medicine; Colonoscopy","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":[0.0001648612,0.000169277,0.0007007812,0.000223908,0.00003140318,0.000005751519,0.0001403635,0.00001879679,0.000068487],"category_scores_gemma":[0.0001205039,0.0001299562,0.0002764161,0.0002627666,0.000418736,0.00006093686,0.00003887982,0.0002761394,0.00001360041],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001652768,"about_ca_system_score_gemma":0.0002113179,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00005792583,"about_ca_topic_score_gemma":0.000001979898,"domain_scores_codex":[0.9986098,0.00002600196,0.0006024687,0.000150383,0.0002709416,0.0003404296],"domain_scores_gemma":[0.998304,0.000071934,0.0008357425,0.0001569316,0.0004084137,0.0002229448],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.002816927,0.002635855,0.8756973,0.00004599788,0.001821671,0.006699027,0.0003225216,0.0005461906,0.0957424,0.0009767868,0.000539909,0.01215546],"study_design_scores_gemma":[0.01375703,0.1640463,0.5362378,0.002962119,0.003858063,0.2433205,0.002049868,0.00002044292,0.03181913,0.001016458,0.0005309929,0.0003812039],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9941255,0.0001380051,0.001699849,0.003471164,0.0001566399,0.00008375341,0.000004344714,0.00001234768,0.0003084027],"genre_scores_gemma":[0.9489088,0.0001188687,0.05058517,0.0002122028,0.0001329574,0.000001765415,0.000001596284,0.00001919293,0.00001946788],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3394594,"threshold_uncertainty_score":0.5299459,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01058458419559358,"score_gpt":0.2699145662426251,"score_spread":0.2593299820470314,"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."}}