{"id":"W3036228871","doi":"10.4155/bio-2020-0106","title":"Mass Spectrometry Analysis of Urinary Methylmalonic Acid to Screen for Metabolic Vitamin B <sub>12</sub> Deficiency in Older Adults","year":2020,"lang":"en","type":"article","venue":"Bioanalysis","topic":"Folate and B Vitamins Research","field":"Medicine","cited_by":17,"is_retracted":false,"has_abstract":true,"ca_institutions":"Centre Hospitalier de l’Université de Montréal; Institut Universitaire de Gériatrie de Montréal; Université de Montréal; Université de Sherbrooke","funders":"Canadian Institutes of Health Research","keywords":"Methylmalonic acid; Creatinine; Urine; Urinary system; Chemistry; Vitamin B12; Chromatography; Vitamin b; Vitamin; Internal medicine; Biochemistry; Medicine","routes":{"ca_aff":true,"ca_fund":true,"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"],"consensus_categories":[],"category_scores_codex":[0.0007439198,0.0002964008,0.001466662,0.003596812,0.00005888003,0.00002492043,0.000373905,0.0001625835,0.0002236021],"category_scores_gemma":[0.0005637144,0.0002557207,0.001056147,0.0128743,0.00007755021,0.0001105115,0.0001348245,0.0002409394,0.00005155925],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001065891,"about_ca_system_score_gemma":0.0001282309,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0002588008,"about_ca_topic_score_gemma":0.0002908029,"domain_scores_codex":[0.9967893,0.0001317053,0.0007776791,0.0008126763,0.0008090663,0.0006795862],"domain_scores_gemma":[0.9982839,0.0001732255,0.0001580697,0.000657002,0.0002715329,0.0004563316],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"observational","study_design_scores_codex":[0.002630979,0.001828321,0.1795039,0.0006068039,0.01321968,0.0001823121,0.001862873,0.0004743361,0.7623277,0.0002039863,0.0003999378,0.03675916],"study_design_scores_gemma":[0.004424429,0.002076281,0.5900997,0.00009546903,0.0169508,0.000004682027,0.001342823,0.03000537,0.3539502,0.00001689116,0.0004377415,0.0005956537],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9844123,0.005458883,0.006680739,0.002132318,0.00001792783,0.0007822976,0.0001537563,0.00003802706,0.0003237127],"genre_scores_gemma":[0.9918283,0.000455279,0.006815433,0.0004398946,0.00007502495,0.00008125407,0.0001821422,0.00003641819,0.0000862222],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.4105958,"threshold_uncertainty_score":0.9999895,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0211971826303939,"score_gpt":0.2946339086955276,"score_spread":0.2734367260651337,"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."}}