{"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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.002838027,0.0004146049,0.0009514717,0.0002374247,0.0002792194,0.0006675957,0.000738412,0.001415435,0.002627407],"category_scores_gemma":[0.006218922,0.000324046,0.001705646,0.0002027167,0.0006362812,0.0006273169,0.0004659203,0.0009250816,0.0001335213],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0007691222,"about_ca_system_score_gemma":0.001457028,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001664503,"about_ca_topic_score_gemma":0.003303272,"domain_scores_codex":[0.998203,0.0009879183,0.0001928414,0.0002292994,0.0001732331,0.0002135737],"domain_scores_gemma":[0.9967765,0.001436942,0.001234101,0.00009959326,0.0001046038,0.0003482504],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"randomized_trial","study_design_gemma":"randomized_trial","study_design_scores_codex":[0.8574343,0.007956969,0.03101305,0.006959286,0.003417323,0.0000825451,0.0002753866,0.0008401793,0.002741711,0.0003132728,0.001142338,0.08782363],"study_design_scores_gemma":[0.4601509,0.3872726,0.1314886,0.003478484,0.007459414,0.0001893016,0.0006013007,0.002525543,0.003849806,0.0007418268,0.002177038,0.00006510416],"study_design_candidate":"randomized_trial","study_design_consensus":"randomized_trial","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9890975,0.008586615,0.0001717492,0.0005332636,0.0002116422,0.0004770967,0.0001287454,0.00001047857,0.0007828512],"genre_scores_gemma":[0.9972484,0.001389576,0.0003270899,0.0003066542,0.0001378863,0.0003856985,0.00005268989,0.000001543561,0.0001503434],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002838027,"threshold_uncertainty_score":0.01500911,"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."}}