{"id":"W4416683088","doi":"10.2196/79503","title":"The BREATH-TRACHER 2 Trial: Protocol for a Retrospective Mixed Methods Study to Establish the Utility of a Wearable Device in the Detection of Chronic Obstructive Pulmonary Disease Exacerbations","year":2025,"lang":"en","type":"article","venue":"JMIR Research Protocols","topic":"Chronic Obstructive Pulmonary Disease (COPD) Research","field":"Medicine","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"COPD; Pulmonary disease; Wearable computer; Protocol (science); Retrospective cohort study; Frontier; Wearable technology","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.01981595,0.005419302,0.007952235,0.001376141,0.002637101,0.00338755,0.002441456,0.006321576,0.03690485],"category_scores_gemma":[0.01723303,0.003069686,0.003197978,0.001769627,0.002020341,0.003016139,0.001775571,0.004529737,0.009788279],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.002205689,"about_ca_system_score_gemma":0.006885421,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001362562,"about_ca_topic_score_gemma":0.002623273,"domain_scores_codex":[0.9879375,0.007491407,0.001173852,0.001312415,0.001054215,0.001030617],"domain_scores_gemma":[0.9941779,0.001489234,0.001404671,0.001156816,0.001025015,0.0007462928],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"randomized_trial","study_design_gemma":"not_applicable","study_design_scores_codex":[0.9295297,0.01293624,0.002826903,0.009327478,0.002167218,0.0003319208,0.000382242,0.001344833,0.002394429,0.003190627,0.0183473,0.01722101],"study_design_scores_gemma":[0.8960291,0.05066709,0.006607476,0.00178685,0.001148547,0.0001263868,0.0002094761,0.002397111,0.001048293,0.003393709,0.03639773,0.0001882074],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"protocol","genre_gemma":"protocol","genre_scores_codex":[0.00887295,0.0006770166,0.003024349,0.0003837558,0.0005571122,0.9814196,0.003196575,0.0001528655,0.001715756],"genre_scores_gemma":[0.004667196,0.0001097072,0.001589367,0.0002123894,0.00006773653,0.9926299,0.0002764145,0.00001056303,0.0004367183],"genre_candidate":"protocol","genre_consensus":"protocol","teacher_disagreement_score":0.03690485,"threshold_uncertainty_score":0.123459,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1313567469201933,"score_gpt":0.5448912918736489,"score_spread":0.4135345449534557,"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."}}