{"id":"W4394676609","doi":"10.1001/jamasurg.2024.0628","title":"Automated CT Analysis of Body Composition as a Frailty Biomarker in Abdominal Surgery","year":2024,"lang":"en","type":"letter","venue":"JAMA Surgery","topic":"Frailty in Older Adults","field":"Medicine","cited_by":30,"is_retracted":false,"has_abstract":true,"ca_institutions":"Memorial University of Newfoundland; Simon Fraser University","funders":"National Institute on Aging","keywords":"Medicine; Sarcopenia; Retrospective cohort study; Cohort; Surgery; Internal medicine","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":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow","insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.001461231,0.0007024684,0.003395245,0.007211203,0.00003862591,0.0001006072,0.0001858667,0.001087299,0.001306574],"category_scores_gemma":[0.0009421788,0.0006686835,0.002243855,0.004736423,0.0002277019,0.0001869675,0.0001134535,0.002055729,0.0003546149],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004589589,"about_ca_system_score_gemma":0.0007636491,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001934616,"about_ca_topic_score_gemma":0.00005030439,"domain_scores_codex":[0.9943971,0.0004950971,0.001996881,0.001013154,0.001298885,0.0007988519],"domain_scores_gemma":[0.9923382,0.005465016,0.0006559832,0.001086046,0.0002930979,0.000161614],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"not_applicable","study_design_gemma":"observational","study_design_scores_codex":[0.0003204762,0.0002109826,0.03218982,0.002130752,0.005258661,0.0245322,0.00007514766,0.000005453956,0.001450329,8.198042e-7,0.9303725,0.003452863],"study_design_scores_gemma":[0.001015912,0.00006918111,0.5357403,0.01002972,0.01261057,0.001333533,0.00004376303,0.01826731,0.001924086,0.00005342171,0.417454,0.001458271],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.5779926,0.001348663,0.00001675386,0.414946,0.002052445,0.0006148902,0.0007110052,0.0007759208,0.001541772],"genre_scores_gemma":[0.7276394,0.0002844762,0.0001281289,0.2469687,0.001493181,0.0001652909,0.01970764,0.0002765783,0.003336684],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.5129185,"threshold_uncertainty_score":0.9996064,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03498269443702783,"score_gpt":0.3070641465037987,"score_spread":0.2720814520667708,"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."}}