{"id":"W4415252469","doi":"10.1097/lvt.0000000000000751","title":"Variations in liver allocation systems across continents with a focus on MELD exceptions","year":2025,"lang":"en","type":"article","venue":"Liver Transplantation","topic":"Liver Disease and Transplantation","field":"Medicine","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto; University Health Network; McGill University","funders":"University of California, San Francisco; Grifols; Gilead Sciences","keywords":"Liver transplantation; Organ donation; Donation; Resource allocation; United Network for Organ Sharing; Liver disease; Health care rationing; Resource (disambiguation)","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":true,"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":[0.004297753,0.0002820542,0.0004388112,0.002598436,0.000484181,0.001650171,0.0005138668,0.0002916624,0.003302461],"category_scores_gemma":[0.01229904,0.000144035,0.0007380307,0.005267402,0.0006149717,0.001089741,0.001133954,0.0009561545,0.0004273535],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001380116,"about_ca_system_score_gemma":0.001923833,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004261028,"about_ca_topic_score_gemma":0.006690084,"domain_scores_codex":[0.9973386,0.001127154,0.0006015041,0.0002250402,0.0004531134,0.00025463],"domain_scores_gemma":[0.9932519,0.003183747,0.001563345,0.000320583,0.00132418,0.0003563986],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"observational","study_design_scores_codex":[0.0005119346,0.00005425167,0.170362,0.005842154,0.0005983718,0.00108377,0.00472507,0.00468186,0.002238003,0.02481996,0.03722222,0.7478604],"study_design_scores_gemma":[0.0000652637,0.0005850454,0.5552536,0.009518302,0.0006656837,0.008186027,0.02113,0.001733568,0.002138728,0.01443131,0.3860968,0.0001956312],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"review","genre_gemma":"empirical","genre_scores_codex":[0.4118682,0.4120742,0.02255374,0.04062679,0.003921578,0.0004159915,0.006912236,0.0007394475,0.1008877],"genre_scores_gemma":[0.8042323,0.1639021,0.01616212,0.005881381,0.001006133,0.0002142805,0.004400202,0.0002072761,0.003994164],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.004297753,"threshold_uncertainty_score":0.02272892,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01220368757101977,"score_gpt":0.2690699048424848,"score_spread":0.256866217271465,"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."}}