{"id":"W3194150486","doi":"10.1007/s00216-021-03576-1","title":"Interlaboratory comparison of 25-hydroxyvitamin D assays: Vitamin D Standardization Program (VDSP) Intercomparison Study 2 — Part 1 liquid chromatography – tandem mass spectrometry (LC-MS/MS) assays — impact of 3-epi-25-hydroxyvitamin D3 on assay performance","year":2021,"lang":"en","type":"article","venue":"Analytical and Bioanalytical Chemistry","topic":"Vitamin D Research Studies","field":"Medicine","cited_by":29,"is_retracted":false,"has_abstract":false,"ca_institutions":"Theratechnologies (Canada)","funders":"NIH Office of the Director","keywords":"Chromatography; Chemistry; Liquid chromatography–mass spectrometry; Isotope dilution; Tandem mass spectrometry; Mass spectrometry; Calcifediol; Vitamin D and neurology; High-performance liquid chromatography; Calcitriol; Internal medicine; Medicine; Calcium","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"],"consensus_categories":[],"category_scores_codex":[0.001740123,0.0008645592,0.002707123,0.0004841859,0.0001887435,0.000115446,0.000430751,0.0005255276,0.0006334243],"category_scores_gemma":[0.001987296,0.000672972,0.0008614707,0.002806009,0.001401842,0.0002084816,0.0004325061,0.001387904,0.00001294236],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004798117,"about_ca_system_score_gemma":0.0004743604,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00004172032,"about_ca_topic_score_gemma":0.00002404798,"domain_scores_codex":[0.9931332,0.0003761995,0.00196963,0.001327565,0.002086896,0.001106507],"domain_scores_gemma":[0.9955016,0.000802786,0.0005244712,0.001093251,0.001233277,0.0008446654],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0005578742,0.01305709,0.8758287,0.002142617,0.00534085,0.0003036405,0.0004421477,0.00005155227,0.09652463,0.00007503292,0.003253841,0.002422038],"study_design_scores_gemma":[0.007994732,0.02162477,0.5356864,0.002449419,0.003561714,0.0001080283,0.006796496,0.06777561,0.3514218,0.00005265183,0.0009305466,0.001597892],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9899037,0.0007524635,0.0007820938,0.0003951189,0.0000744401,0.0007682083,0.0001738592,0.0001278095,0.00702225],"genre_scores_gemma":[0.9981468,0.0003027926,0.0004573859,0.00003655627,0.0002592985,0.00005708963,0.0002038978,0.00007035757,0.0004658372],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3401423,"threshold_uncertainty_score":0.9995722,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02233193111548945,"score_gpt":0.3398278475408824,"score_spread":0.317495916425393,"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."}}