{"id":"W4411300885","doi":"10.2196/70835","title":"The Validation and Accuracy of Wearable Heart Rate Trackers in Children With Heart Disease: Prospective Cohort Study","year":2025,"lang":"en","type":"article","venue":"JMIR Formative Research","topic":"Non-Invasive Vital Sign Monitoring","field":"Engineering","cited_by":3,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Preprint; Activity tracker; Prospective cohort study; Medicine; Cohort; Wearable computer; Physical therapy; Internal medicine; Computer science; Physical activity; Embedded system; World Wide Web","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":[0.001350056,0.0001236425,0.0001843841,0.000249403,0.0002277824,0.0001092797,0.0001468039,0.00002915575,0.000003181567],"category_scores_gemma":[0.0001570101,0.00008828557,0.0000206647,0.0009219251,0.0001654962,0.0005231246,0.00009005903,0.0004147898,0.000008044768],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001961653,"about_ca_system_score_gemma":0.00008329217,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00008629161,"about_ca_topic_score_gemma":0.00002365608,"domain_scores_codex":[0.9985586,0.0002699834,0.000224938,0.0001799845,0.0004163524,0.0003501708],"domain_scores_gemma":[0.9989504,0.0005292499,0.00002489909,0.0002402545,0.0001862963,0.00006889607],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001049695,0.00009661913,0.9956822,0.00005875558,0.00007777945,5.626289e-7,0.001167897,0.0003811002,0.001897635,0.0000774598,0.000227654,0.0002273275],"study_design_scores_gemma":[0.0006381935,0.0001757025,0.9833269,0.000148214,0.000006380208,7.696281e-7,0.001507715,0.0002135109,0.01341889,0.0004531565,0.00002479892,0.00008574827],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9960685,0.0002714693,0.0000678021,0.0001141164,0.00003776827,0.002822245,0.00000826472,0.00003853142,0.0005712382],"genre_scores_gemma":[0.9990669,0.0000642263,0.0000245642,0.000002619807,0.00001752504,0.0007541034,0.000002963601,0.00001556703,0.00005147131],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01235532,"threshold_uncertainty_score":0.3600181,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01539144029672438,"score_gpt":0.3360849842496155,"score_spread":0.3206935439528911,"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."}}