{"id":"W2966761750","doi":"10.3389/fphys.2019.01057","title":"Comparison of Different Methods for Estimating Cardiac Timings: A Comprehensive Multimodal Echocardiography Investigation","year":2019,"lang":"en","type":"article","venue":"Frontiers in Physiology","topic":"Phonocardiography and Auscultation Techniques","field":"Medicine","cited_by":79,"is_retracted":false,"has_abstract":true,"ca_institutions":"Fraser Health; Simon Fraser University; University of British Columbia","funders":"","keywords":"Impedance cardiography; Medicine; Cardiology; Cardiac output; Internal medicine; Hemodynamics; Ejection fraction; Stroke volume; 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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001905783,0.0001784453,0.001099967,0.0004645176,0.00003325769,0.000003908646,0.00009180872,0.0001588253,0.000002878424],"category_scores_gemma":[0.00007111576,0.0001595248,0.0004659722,0.0003598758,0.0001665177,0.00006159652,0.00003124826,0.0001889184,6.755917e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00003545622,"about_ca_system_score_gemma":0.00002367493,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00001427182,"about_ca_topic_score_gemma":8.869258e-8,"domain_scores_codex":[0.9986929,0.0002357746,0.0004326306,0.0003239706,0.00009336954,0.0002214067],"domain_scores_gemma":[0.9990658,0.0002442392,0.0002289426,0.0002561224,0.0001461329,0.00005873504],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0003793249,0.0001235358,0.5511498,0.000592359,0.000500376,1.888275e-7,0.001362334,0.000739469,0.404978,0.0001111121,0.002488793,0.03757468],"study_design_scores_gemma":[0.002125088,0.0008946551,0.6331626,0.0002966224,0.0002308318,7.979526e-7,0.001444309,0.123793,0.2253544,0.01198735,0.0004206547,0.0002896735],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.7327595,0.0005356548,0.2644191,0.00003483833,0.0009382157,0.001145132,0.00001630781,0.00006830517,0.00008289149],"genre_scores_gemma":[0.5341818,0.00002173976,0.4655007,0.00005551212,0.00004060688,0.0001094316,0.00007521934,0.00001136913,0.000003599946],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.2010816,"threshold_uncertainty_score":0.6505235,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02765345891896619,"score_gpt":0.3658575992238444,"score_spread":0.3382041403048782,"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."}}