{"id":"W3127711628","doi":"10.1111/trf.16296","title":"SARS‐CoV‐2 seroprevalence among blood donors after the first COVID‐19 wave in Canada","year":2021,"lang":"en","type":"article","venue":"Transfusion","topic":"Blood donation and transfusion practices","field":"Business, Management and Accounting","cited_by":58,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Ottawa; University of Alberta Hospital; University of Alberta; Canadian Blood Services","funders":"Government of Canada; Canadian Blood Services","keywords":"Seroprevalence; Medicine; Demography; Logistic regression; Population; Odds ratio; Cross-sectional study; Ethnic group; Immunology; Internal medicine; Serology; Antibody; Environmental health; Pathology","routes":{"ca_aff":true,"ca_fund":true,"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":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.0003046585,0.0001966981,0.0001818402,0.0001070132,0.0003077618,0.0002027893,0.0002142459,0.00006994112,0.002033696],"category_scores_gemma":[0.00009038814,0.0001538685,0.00007750119,0.0007552658,0.00005310135,0.0009198397,0.00006063905,0.0003031996,0.00004446701],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00007251349,"about_ca_system_score_gemma":0.0003860983,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.8335009,"about_ca_topic_score_gemma":0.9959618,"domain_scores_codex":[0.9984825,0.00003884369,0.0003391727,0.0003990686,0.0004468965,0.000293474],"domain_scores_gemma":[0.9993178,0.0001393486,0.00009217691,0.0003136243,0.0001097421,0.00002727894],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0004197263,0.0005219672,0.9788348,0.0009199512,0.0001020054,0.001745154,0.001126411,0.0005925914,0.002803241,0.002517944,0.003332027,0.007084149],"study_design_scores_gemma":[0.004624113,0.00001429786,0.6998224,0.000265891,0.0004623386,0.00007433346,0.002248962,0.004413429,0.00444625,0.0008469832,0.2818984,0.000882645],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9745028,0.0002853614,0.0001047068,0.0175148,0.0004125129,0.0002998201,0.000006924342,0.0000537433,0.006819339],"genre_scores_gemma":[0.9842891,0.000815769,0.0000335358,0.01444932,0.0001505808,0.00005062676,0.00001639415,0.00002210474,0.0001725618],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.2790125,"threshold_uncertainty_score":0.9988786,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01915329704540948,"score_gpt":0.2186941529280577,"score_spread":0.1995408558826482,"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."}}