{"id":"W3133146993","doi":"10.1101/2021.02.18.21252016","title":"Diagnostic accuracy of RT-PCR for detection of SARS-CoV-2 compared to a “composite reference standard” in hospitalized patients","year":2021,"lang":"en","type":"preprint","venue":"medRxiv","topic":"SARS-CoV-2 detection and testing","field":"Medicine","cited_by":5,"is_retracted":false,"has_abstract":true,"ca_institutions":"BC Centre for Disease Control; Provincial Health Services Authority; Providence Health Care; University of British Columbia","funders":"","keywords":"Medicine; Serology; Internal medicine; Coronavirus disease 2019 (COVID-19); Retrospective cohort study; Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2); Medical record; Real-time polymerase chain reaction; Polymerase chain reaction; Immunology; Antibody; Biology; Disease; Gene","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["metaresearch","metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.0004067823,0.0003280358,0.001127988,0.000469851,0.00004129597,0.00002703317,0.0002100593,0.0002531981,0.000006805004],"category_scores_gemma":[0.008873744,0.0003327391,0.0002323326,0.0005064679,0.00005830369,0.00006283928,0.0002765174,0.0004559396,0.00000305935],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002102297,"about_ca_system_score_gemma":0.0002044717,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0006273637,"about_ca_topic_score_gemma":0.0003205001,"domain_scores_codex":[0.9974179,0.0001327339,0.001056933,0.0006079511,0.0004869452,0.0002975623],"domain_scores_gemma":[0.9966692,0.0009807131,0.0006643918,0.0006225649,0.001001933,0.00006118639],"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":[0.0009370832,0.0003395936,0.2152741,0.001225209,0.00009589166,0.00001436183,0.0007232766,0.00003037953,0.7773552,0.000002531128,0.00001831387,0.003984057],"study_design_scores_gemma":[0.002918145,0.000485942,0.2108909,0.002237983,0.000127257,0.000004348665,0.00006071305,0.0004514538,0.7823002,0.00006584723,0.000241152,0.0002160363],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9927484,0.0001573773,0.003878191,0.00005172299,0.0006706418,0.002139846,0.0001278911,0.00007362916,0.0001522348],"genre_scores_gemma":[0.9964049,0.00001852694,0.002884469,0.0002014583,0.00005070022,0.0003007534,0.00008557788,0.00004959304,0.000004041396],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.008466962,"threshold_uncertainty_score":0.9999124,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.06753777726176467,"score_gpt":0.3472985288379654,"score_spread":0.2797607515762007,"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."}}