{"id":"W4310644990","doi":"10.7326/m22-1966","title":"Medical Masks Versus N95 Respirators for Preventing COVID-19 Among Health Care Workers","year":2022,"lang":"en","type":"article","venue":"Annals of Internal Medicine","topic":"Infection Control and Ventilation","field":"Medicine","cited_by":84,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto; Alberta Hospital Edmonton; St Joseph's Health Centre; Sunnybrook Health Science Centre; Jewish General Hospital; McGill University Health Centre; University of Ottawa; St. Joseph’s Healthcare Hamilton; Hamilton Health Sciences; Niagara Health System; University of Saskatchewan; McMaster University; Canadian Heart Research Centre; University of Alberta Hospital; Health Sciences Centre; Ottawa Hospital; Montfort Hospital; Alberta Health Services; University of Calgary; Impact","funders":"Canadian Institutes of Health Research; World Health Organization","keywords":"Respirator; Medicine; Coronavirus disease 2019 (COVID-19); 2019-20 coronavirus outbreak; Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2); Emergency medicine; Betacoronavirus; Pandemic; Medical emergency; Health care; Intensive care medicine; Virology; Internal medicine; Outbreak; Infectious disease (medical specialty); Disease","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":[0.001793259,0.0001415584,0.0004768333,0.0002766489,0.0002243663,0.000004188455,0.0001462615,0.00006419199,0.001678648],"category_scores_gemma":[0.002932737,0.0001185212,0.0002024302,0.0002346902,0.0001380417,0.00005355274,0.00007889433,0.0003525871,0.000001966276],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001702146,"about_ca_system_score_gemma":0.000543535,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001265851,"about_ca_topic_score_gemma":0.0001439539,"domain_scores_codex":[0.9977525,0.0001516144,0.0007038642,0.0002559112,0.0008382627,0.0002978211],"domain_scores_gemma":[0.9982307,0.0003887521,0.0004499001,0.0001944856,0.0002490343,0.0004871433],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"not_applicable","study_design_scores_codex":[0.02677882,0.0005505367,0.5833446,0.002390716,0.001406217,0.0001863997,0.01041834,0.0003468853,0.0001975114,0.001173143,0.2767448,0.09646197],"study_design_scores_gemma":[0.04549224,0.03315764,0.06655507,0.003058761,0.0005026726,0.000181346,0.02387026,0.005772586,0.001088512,0.0002896149,0.8194443,0.000587003],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.81216,0.009531429,0.04699912,0.1134952,0.007278728,0.002894907,0.00008935916,0.0002401385,0.007311066],"genre_scores_gemma":[0.9828894,0.00003362858,0.00006467386,0.01536654,0.0008500093,0.0001006182,0.00006949926,0.00002177432,0.0006039145],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.5426995,"threshold_uncertainty_score":0.999234,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.09866599427771551,"score_gpt":0.434668506581567,"score_spread":0.3360025123038515,"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."}}