{"id":"W4412353578","doi":"10.1007/s00590-025-04412-3","title":"When would orthopaedic surgeons perform arthroplasty for a femoral neck fracture in an older adult?","year":2025,"lang":"en","type":"article","venue":"European Journal of Orthopaedic Surgery & Traumatology","topic":"Hip and Femur Fractures","field":"Medicine","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"Impact; McMaster University","funders":"National Institute of Arthritis and Musculoskeletal and Skin Diseases; Orthopaedic Trauma Association; University of Southern California","keywords":"Medicine; Arthroplasty; Femoral neck; Randomized controlled trial; Surgery; Orthopedic surgery; Physical therapy; Osteoporosis","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":[0.001929817,0.0001106264,0.0001719843,0.0004314153,0.0004905573,0.0006239596,0.0002931469,0.0009021132,0.001865643],"category_scores_gemma":[0.01491282,0.0001627181,0.0002695254,0.0005010596,0.0004934754,0.0007279498,0.0002989307,0.0005442156,0.0004011765],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005612212,"about_ca_system_score_gemma":0.001019871,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004667643,"about_ca_topic_score_gemma":0.01117418,"domain_scores_codex":[0.9988922,0.0003986608,0.0002033378,0.00008990067,0.0002676541,0.0001480852],"domain_scores_gemma":[0.9917535,0.002228523,0.004291015,0.00009728604,0.0007030384,0.0009266121],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0000663566,0.00005759001,0.9920287,0.0000460255,0.00002098337,0.0000972276,0.000307686,0.00005498118,0.0001121647,0.00001779167,0.0006809615,0.006509589],"study_design_scores_gemma":[0.00002888559,0.0003761362,0.9893737,0.0002309137,0.00003750156,0.001663421,0.006159093,0.0004758209,0.0001674625,0.000153013,0.001318306,0.00001558799],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9949259,0.0005810126,0.0001150323,0.003377034,0.00003794029,0.00001552457,0.0001283806,0.000003167777,0.0008161436],"genre_scores_gemma":[0.998018,0.0005138241,0.0003112372,0.0009128457,0.00003965459,0.00001320458,0.00007118214,0.000001022967,0.0001190491],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.004667643,"threshold_uncertainty_score":0.01020598,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02170452252676507,"score_gpt":0.2794019479590875,"score_spread":0.2576974254323224,"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."}}