{"id":"W3210663063","doi":"10.1177/07487304211051841","title":"Diurnal Variation in SARS-CoV-2 PCR Test Results: Test Accuracy May Vary by Time of Day","year":2021,"lang":"en","type":"letter","venue":"Journal of Biological Rhythms","topic":"SARS-CoV-2 and COVID-19 Research","field":"Medicine","cited_by":28,"is_retracted":false,"has_abstract":true,"ca_institutions":"Health Sciences Centre; Institute for Clinical Evaluative Sciences; Sunnybrook Health Science Centre","funders":"National Institute of Allergy and Infectious Diseases; National Institute of General Medical Sciences; National Institute of Neurological Disorders and Stroke; National Institute of Mental Health","keywords":"Diurnal temperature variation; Asymptomatic; Medicine; Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2); Circadian rhythm; Time of day; Coronavirus disease 2019 (COVID-19); Vaccination; Demography; Biology; Internal medicine; Virology; Animal science; Infectious disease (medical specialty); Disease","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":["metaresearch","metaepi_narrow","research_integrity"],"consensus_categories":["research_integrity"],"category_scores_codex":[0.002428212,0.000506418,0.001723942,0.0005604118,0.0000594907,0.00007737299,0.0005329991,0.001659423,0.00008683744],"category_scores_gemma":[0.02450091,0.0003300197,0.0006025573,0.0007226618,0.0002715901,0.0001920398,0.0002168807,0.004868749,0.00008677965],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004067795,"about_ca_system_score_gemma":0.0008510188,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00005454178,"about_ca_topic_score_gemma":0.000001819124,"domain_scores_codex":[0.9945392,0.0005614897,0.002326814,0.0005893437,0.001259656,0.0007235148],"domain_scores_gemma":[0.9887938,0.008025949,0.001747082,0.0005358624,0.0008246164,0.00007261718],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"not_applicable","study_design_scores_codex":[0.0006892384,0.0007887437,0.005201679,0.0001600439,0.000179001,0.009186837,0.00008439391,3.312081e-7,0.5552107,0.000003068596,0.4265663,0.001929643],"study_design_scores_gemma":[0.004966869,0.004091703,0.0161591,0.001803306,0.0001588045,0.003459749,0.00002095884,0.0001048529,0.08383593,0.0004312222,0.8844605,0.0005070142],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"commentary","genre_gemma":"commentary","genre_scores_codex":[0.4548919,0.006531387,0.0005095138,0.528164,0.001313997,0.001420336,0.001885015,0.00008281309,0.005201017],"genre_scores_gemma":[0.07323387,0.000512993,0.00120094,0.9158486,0.008323298,0.00002048004,0.0003262182,0.00009043168,0.0004431319],"genre_candidate":"commentary","genre_consensus":"commentary","teacher_disagreement_score":0.4713748,"threshold_uncertainty_score":0.9999152,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.06895277624447523,"score_gpt":0.3487743128009718,"score_spread":0.2798215365564966,"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."}}