{"id":"W4406223742","doi":"10.1002/alz.094096","title":"Performance of an AI‐based prediction model versus stratified thresholds using plasma biomarkers for biological staging of AD","year":2024,"lang":"en","type":"article","venue":"Alzheimer s & Dementia","topic":"Artificial Intelligence in Healthcare","field":"Health Professions","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"McGill University Health Centre; McGill University","funders":"","keywords":"Artificial intelligence; Computer science","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":[0.004221475,0.00147438,0.00114404,0.001214454,0.0004295887,0.001310859,0.0009877806,0.001117861,0.001377666],"category_scores_gemma":[0.006425804,0.0002795508,0.001187533,0.000578974,0.0003174253,0.0007390107,0.0007001631,0.001266016,0.0005281382],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0009377117,"about_ca_system_score_gemma":0.001263787,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.009069669,"about_ca_topic_score_gemma":0.003302499,"domain_scores_codex":[0.9990978,0.0003458357,0.00007326136,0.0002705372,0.00009838134,0.0001142142],"domain_scores_gemma":[0.9974576,0.00158393,0.0001730049,0.0001153824,0.0005330081,0.0001370825],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.001667907,0.0007740874,0.07143208,0.0001320298,0.0005614347,0.0002361578,0.0001683895,0.7848529,0.005090575,0.0007298029,0.002448996,0.1319057],"study_design_scores_gemma":[0.0000113737,0.0001099916,0.002351389,0.00001025984,0.00004276693,0.00001947491,0.0000115726,0.9966606,0.0004654872,0.0002437622,0.00006555086,0.000007817227],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8633536,0.001240683,0.1306936,0.0007010006,0.0001666431,0.0001695406,0.0007287259,0.001147865,0.001798294],"genre_scores_gemma":[0.9864503,0.00008697234,0.01222755,0.00006810678,0.00002863684,0.00006912034,0.0005050441,0.00001800821,0.000546079],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.009069669,"threshold_uncertainty_score":0.02232552,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.3018236947488575,"score_gpt":0.4714628494883583,"score_spread":0.1696391547395009,"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."}}