{"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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001098644,0.0001710864,0.001329043,0.0001415519,0.00003720152,0.000005738345,0.000186795,0.0004020365,0.00003558397],"category_scores_gemma":[0.004491953,0.0001504787,0.0006008764,0.0002423262,0.000253499,0.00009607013,0.00007603047,0.001090574,0.000007245766],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0000292353,"about_ca_system_score_gemma":0.0002073194,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00007260602,"about_ca_topic_score_gemma":0.00003129353,"domain_scores_codex":[0.9965381,0.0003672371,0.002260928,0.0002234151,0.0004033039,0.0002070219],"domain_scores_gemma":[0.9963577,0.001076783,0.001852802,0.0001947656,0.0003991136,0.0001188304],"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":[0.002401432,0.0002268009,0.01376916,0.00004250357,0.0003005767,0.000212176,0.00006871064,0.00002885555,0.9605302,0.000008530262,0.00002105446,0.02239005],"study_design_scores_gemma":[0.00495085,0.003298022,0.06900576,0.0001232383,0.0004124635,0.0001923736,0.00002148755,0.006661469,0.9145345,0.0005073174,0.0001882194,0.0001043074],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9695364,0.0002495627,0.0282656,0.0007668454,0.0008660157,0.0001215152,0.00001178168,0.00001616572,0.0001660758],"genre_scores_gemma":[0.9892857,0.00001083464,0.003480756,0.006097885,0.001096346,4.512862e-7,6.518068e-7,0.00002700715,3.81461e-7],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0552366,"threshold_uncertainty_score":0.6136345,"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."}}