{"id":"W7117463433","doi":"10.1016/j.ahjo.2025.100707","title":"Coronary artery calcium score of zero does not rule out obstructive CAD in young adults","year":2025,"lang":"en","type":"article","venue":"American Heart Journal Plus Cardiology Research and Practice","topic":"Cardiac Imaging and Diagnostics","field":"Medicine","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"Western University; Lawson Health Research Institute; Sault Area Hospital; London Health Sciences Centre","funders":"","keywords":"CAD; Young adult; Coronary artery disease; Chest pain; Zero (linguistics); Coronary artery calcium","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":[0.0005759982,0.0003931104,0.0004969448,0.0007078804,0.0002960818,0.0005424868,0.0002503182,0.0005985686,0.002293815],"category_scores_gemma":[0.004033623,0.0002737483,0.000253739,0.000515347,0.0003215215,0.0004647,0.0002820908,0.0004192039,0.0005975534],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001118509,"about_ca_system_score_gemma":0.0002282478,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002178634,"about_ca_topic_score_gemma":0.003972028,"domain_scores_codex":[0.9997322,0.00006129824,0.00004658751,0.00004239316,0.00006400579,0.00005345543],"domain_scores_gemma":[0.9982875,0.0004345679,0.0007191889,0.00006111249,0.0001339059,0.0003637337],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0000523899,0.00001038861,0.9988997,0.000006300884,0.000008971543,0.0001070046,0.00001377848,0.00000770855,0.00009527485,0.000006138095,0.00008392443,0.0007083403],"study_design_scores_gemma":[0.00001086598,0.0001184581,0.9983391,0.00001664727,0.00002770495,0.0009977802,0.00009818259,0.0001287898,0.0000573709,0.00002823985,0.0001744144,0.000002471716],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9987897,0.00032681,0.00006137481,0.00006272717,0.00001945947,0.000008824543,0.0001809751,0.000004573526,0.0005456876],"genre_scores_gemma":[0.9993111,0.0001303322,0.0001043281,0.00004745579,0.00002994935,0.000005454353,0.0002388286,0.000001764823,0.0001308476],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002293815,"threshold_uncertainty_score":0.007673621,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.05602788177738967,"score_gpt":0.4119537091509697,"score_spread":0.35592582737358,"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."}}