{"id":"W4289339811","doi":"10.1016/s2666-7568(22)00166-0","title":"COVID-19 mRNA vaccine effectiveness against hospitalisation and death in veterans according to frailty status during the SARS-CoV-2 delta (B.1.617.2) variant surge in the USA: a retrospective cohort study","year":2022,"lang":"en","type":"article","venue":"The Lancet Healthy Longevity","topic":"SARS-CoV-2 and COVID-19 Research","field":"Medicine","cited_by":29,"is_retracted":false,"has_abstract":true,"ca_institutions":"Dalhousie University","funders":"National Institutes of Health; Health Services Research Programme; U.S. Department of Veterans Affairs","keywords":"Medicine; Veterans Affairs; Retrospective cohort study; Vaccination; Hazard ratio; Odds; Medical record; Coronavirus disease 2019 (COVID-19); Emergency medicine; Internal medicine; Immunology; Logistic regression; Confidence interval; 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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001510849,0.0002620124,0.0003837479,0.000630265,0.0002758908,0.0005718586,0.0004415247,0.0003191798,0.001037545],"category_scores_gemma":[0.00361309,0.0002495274,0.0009282708,0.0006949705,0.0002090833,0.0003799298,0.0004251334,0.0004930269,0.0001608676],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004480783,"about_ca_system_score_gemma":0.0003891031,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00676387,"about_ca_topic_score_gemma":0.006612238,"domain_scores_codex":[0.9992082,0.0001870484,0.0001112229,0.0002362782,0.0001194888,0.0001378767],"domain_scores_gemma":[0.9974032,0.0004283841,0.001326994,0.0002753781,0.0002413958,0.000324645],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0003934588,0.00002662189,0.9984635,0.000008836421,0.0001198661,0.00001386725,0.00002395686,0.00004057434,0.00009575151,0.000007747819,0.00009534384,0.0007105044],"study_design_scores_gemma":[0.00002348249,0.0003556159,0.9989871,0.000009918968,0.00008849453,0.00008129091,0.00005240538,0.0001763361,0.00007400189,0.000009591705,0.0001384263,0.000003345407],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9983296,0.0002476851,0.00005285392,0.00001973913,0.00000553479,0.00001179959,0.001189568,0.000001959677,0.0001411812],"genre_scores_gemma":[0.9987572,0.00008663213,0.00004486724,0.000021679,0.00000812465,0.00001469572,0.0009837858,0.000001507959,0.00008143482],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.00676387,"threshold_uncertainty_score":0.01344901,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0855678332645204,"score_gpt":0.3995994501894093,"score_spread":0.3140316169248889,"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."}}