{"id":"W2806761481","doi":"10.1017/cem.2018.389","title":"Age-adjusted D-dimer thresholds in the investigation of suspected pulmonary embolism: A retrospective evaluation in patients ages 50 and older using administrative data","year":2018,"lang":"en","type":"article","venue":"Canadian Journal of Emergency Medicine","topic":"Venous Thromboembolism Diagnosis and Management","field":"Medicine","cited_by":15,"is_retracted":false,"has_abstract":false,"ca_institutions":"Alberta Health Services; University of Calgary; McMaster University","funders":"","keywords":"Medicine; Pulmonary embolism; D-dimer; Age adjustment; False positive paradox; Population; Retrospective cohort study; Emergency department; Pediatrics; Surgery; Internal medicine; Epidemiology","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":[0.001949504,0.0003617795,0.0006849471,0.001564008,0.0005438461,0.001200825,0.0006504451,0.0007058615,0.0006496087],"category_scores_gemma":[0.008068439,0.0006821186,0.0009881981,0.002966469,0.000435708,0.001050397,0.0007969721,0.0009787295,0.0001652294],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00082297,"about_ca_system_score_gemma":0.0008588413,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.03817368,"about_ca_topic_score_gemma":0.03989223,"domain_scores_codex":[0.9976925,0.0006064427,0.0004057045,0.0004571292,0.00053517,0.0003031235],"domain_scores_gemma":[0.9938607,0.001361347,0.002933893,0.0005819271,0.0008263548,0.0004357446],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00005770675,0.00001260617,0.9994646,0.000004628427,0.00005205551,0.00003008909,0.00002943597,0.00002190805,0.00002460657,0.00001112952,0.00004750823,0.000243698],"study_design_scores_gemma":[0.000005260792,0.00003341338,0.9992305,0.000005888392,0.00005131945,0.0001655672,0.0001576376,0.0002020623,0.0000225064,0.00001204856,0.0001096273,0.000004194473],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.997929,0.0004777681,0.000113605,0.0000568997,0.000009792782,0.000009474335,0.001080036,0.00000317266,0.0003202585],"genre_scores_gemma":[0.9988279,0.0001829942,0.0000924362,0.00003618604,0.0000135876,0.000007127996,0.0007921821,0.000001906909,0.00004572635],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.03817368,"threshold_uncertainty_score":0.07590294,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.2258896731848522,"score_gpt":0.3942063797077756,"score_spread":0.1683167065229234,"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."}}