{"id":"W4416911926","doi":"10.2196/79651","title":"Collection of Ambulatory Electrocardiogram and Behavioral Data for the Identification of Digital Biomarkers for Heart Failure (CATCH-ECG): Protocol for a Prospective Cohort Study","year":2025,"lang":"en","type":"article","venue":"JMIR Research Protocols","topic":"ECG Monitoring and Analysis","field":"Medicine","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Heart failure; Ambulatory; Protocol (science); Identification (biology); Prospective cohort study; Data collection; Cohort study","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":true,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.002896521,0.0001303292,0.0004027926,0.0003509476,0.0003262523,0.0001092822,0.0002745949,0.00008881809,0.000001257036],"category_scores_gemma":[0.0005929801,0.00009473572,0.0001587224,0.0009013427,0.0002157048,0.0001719006,0.0001286422,0.000171295,1.692875e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001156494,"about_ca_system_score_gemma":0.0003957092,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00004985515,"about_ca_topic_score_gemma":0.00002669395,"domain_scores_codex":[0.9980531,0.0001008321,0.0005399426,0.0005173177,0.000488214,0.000300648],"domain_scores_gemma":[0.9971409,0.0004467737,0.0001778247,0.0008596111,0.001318027,0.00005684531],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.007576387,0.003146952,0.9400671,0.002845463,0.0009722293,2.456291e-7,0.0001548159,0.00000175513,0.01747953,0.00003119763,0.02169871,0.006025671],"study_design_scores_gemma":[0.03638982,0.03368281,0.6611439,0.003296594,0.0009396254,0.000006986924,0.005128257,0.01382453,0.1409565,0.001527723,0.1025888,0.0005144827],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"protocol","genre_gemma":"protocol","genre_scores_codex":[0.006012334,0.000002155231,0.003738546,0.0003153037,0.000005098512,0.9897366,0.0001510998,0.00002655771,0.00001228509],"genre_scores_gemma":[0.1145588,8.572294e-8,0.0007608523,0.000001574009,0.00006317246,0.884018,0.00005255355,0.00001983608,0.0005251839],"genre_candidate":"protocol","genre_consensus":"protocol","teacher_disagreement_score":0.2789232,"threshold_uncertainty_score":0.3863211,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.178501920956958,"score_gpt":0.5660734360035627,"score_spread":0.3875715150466048,"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."}}