{"id":"W3019019024","doi":"10.1016/j.jcv.2020.104387","title":"Detection of low levels of SARS-CoV-2 RNA from nasopharyngeal swabs using three commercial molecular assays","year":2020,"lang":"en","type":"article","venue":"Journal of Clinical Virology","topic":"SARS-CoV-2 detection and testing","field":"Medicine","cited_by":36,"is_retracted":false,"has_abstract":false,"ca_institutions":"St. Paul's Hospital; University of British Columbia; Providence Health Care","funders":"","keywords":"Concordance; Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2); Coronavirus disease 2019 (COVID-19); Medicine; Virology; 2019-20 coronavirus outbreak; 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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.002092366,0.002368307,0.0006651363,0.001448987,0.0006369395,0.001237248,0.0008314149,0.0018105,0.002268428],"category_scores_gemma":[0.003099879,0.0006165404,0.0007642228,0.0006667135,0.001039701,0.0005443715,0.0005561819,0.001333236,0.001282225],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004931497,"about_ca_system_score_gemma":0.0005894531,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001723698,"about_ca_topic_score_gemma":0.00246761,"domain_scores_codex":[0.9963007,0.000900919,0.0004390019,0.000709946,0.001109289,0.0005401227],"domain_scores_gemma":[0.9975789,0.001106707,0.0002609016,0.0002656425,0.0006527819,0.0001351039],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.0002680261,0.000157125,0.006574742,0.0001522237,0.00003124285,0.00007016994,0.000207599,0.00007316253,0.9884515,0.0001224616,0.0001766661,0.003715156],"study_design_scores_gemma":[0.00004665674,0.001167566,0.02034279,0.00003322589,0.0001163448,0.0006117822,0.0002652039,0.002291865,0.9726245,0.0002033934,0.002262941,0.00003391991],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9074202,0.001396332,0.07911546,0.0004679345,0.0004165955,0.001454622,0.001681186,0.0009903986,0.00705729],"genre_scores_gemma":[0.8848947,0.001032606,0.09679764,0.001099505,0.0001914574,0.001914481,0.00658559,0.0001153529,0.007368769],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002368307,"threshold_uncertainty_score":0.0110656,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.2386875120087831,"score_gpt":0.4267931589879356,"score_spread":0.1881056469791526,"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."}}