{"id":"W2284100564","doi":"","title":"Abstract 16785: Reliable Estimation of Left Ventricular Ejection Fraction Using High Resolution Surface Electrocardiography","year":2013,"lang":"en","type":"article","venue":"","topic":"Cardiac Imaging and Diagnostics","field":"Medicine","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"Kingston Health Sciences Centre; Libin Cardiovascular Institute of Alberta","funders":"","keywords":"Ejection fraction; Medicine; Cardiology; Internal medicine; Electrocardiography; Confidence interval; Myocardial infarction; Receiver operating characteristic; Radionuclide angiography; Nuclear medicine; Heart failure","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":[0.002806362,0.0004558385,0.0004030366,0.0005153005,0.00009134144,0.0005329074,0.000391289,0.0004394691,0.002367915],"category_scores_gemma":[0.008366362,0.0001285057,0.0001736445,0.0002597262,0.0002299106,0.0003940381,0.0003174352,0.0002944396,0.001803918],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00009429027,"about_ca_system_score_gemma":0.0002470743,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0003835193,"about_ca_topic_score_gemma":0.0004708973,"domain_scores_codex":[0.9989532,0.0004269504,0.00008854293,0.0001023814,0.0003952164,0.00003353421],"domain_scores_gemma":[0.9969303,0.001698091,0.0004767504,0.0002401663,0.0005966665,0.00005789692],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"observational","study_design_scores_codex":[0.003191166,0.000545455,0.3376682,0.0006554648,0.0003110494,0.0005977972,0.0002111645,0.003391649,0.1301686,0.0003095847,0.005703,0.5172469],"study_design_scores_gemma":[0.0005131162,0.002761561,0.8642766,0.0001181344,0.0002522222,0.004611569,0.000101733,0.04774372,0.07241752,0.0006995337,0.006422494,0.00008182212],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.871701,0.002691355,0.1190338,0.0002547387,0.0001391975,0.0002793169,0.00194737,0.0008739871,0.003079056],"genre_scores_gemma":[0.9481261,0.0005491758,0.04733845,0.00008803512,0.0001459851,0.0001532924,0.002258238,0.00008155977,0.001259099],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002806362,"threshold_uncertainty_score":0.01484168,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.008528807783414137,"score_gpt":0.2494727511812554,"score_spread":0.2409439433978413,"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."}}