{"id":"W4416153386","doi":"10.1001/jamacardio.2025.4151","title":"Major Bleeding With Apixaban vs Aspirin","year":2025,"lang":"en","type":"article","venue":"JAMA Cardiology","topic":"Atrial Fibrillation Management and Outcomes","field":"Medicine","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"McMaster University; Population Health Research Institute; Montreal Heart Institute; Ottawa Hospital; Dalhousie University; University of Ottawa","funders":"","keywords":"Apixaban; Aspirin; Atrial fibrillation; Stroke (engine); Subclinical infection; Randomized controlled trial; Major bleeding","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":[0.002554148,0.0006895639,0.002634924,0.0003509187,0.0002990316,0.00115685,0.0005615633,0.0009141681,0.006249359],"category_scores_gemma":[0.003380095,0.0003162412,0.002554743,0.0003578171,0.0004587909,0.0006308177,0.0003327984,0.001715153,0.0005200679],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003392017,"about_ca_system_score_gemma":0.0006368965,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0002917895,"about_ca_topic_score_gemma":0.0007290617,"domain_scores_codex":[0.9980741,0.001154425,0.0002648167,0.0002086025,0.000175313,0.000122751],"domain_scores_gemma":[0.9986675,0.0006132351,0.0003173368,0.00008031377,0.00005883215,0.0002627732],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"randomized_trial","study_design_gemma":"nonrandomized_trial","study_design_scores_codex":[0.9464038,0.001223303,0.002807861,0.001039714,0.003297589,0.00008026877,0.00002756152,0.0003775791,0.001274765,0.0003188529,0.001390315,0.04175837],"study_design_scores_gemma":[0.8526704,0.1069627,0.02222945,0.0004124122,0.007912141,0.0003454029,0.00008468677,0.002377015,0.001210615,0.001554348,0.004200171,0.00004069136],"study_design_candidate":"nonrandomized_trial","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9267411,0.05826804,0.001388808,0.003180024,0.002766521,0.000735324,0.0009989057,0.00009712134,0.005824141],"genre_scores_gemma":[0.986982,0.007932487,0.0006748799,0.001056831,0.001254072,0.0003892882,0.0005670111,0.000009413729,0.001134028],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.006249359,"threshold_uncertainty_score":0.02090621,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02967471722031682,"score_gpt":0.3136771779725862,"score_spread":0.2840024607522694,"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."}}