{"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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0122254,0.0003189151,0.0009038031,0.0002798585,0.0009887659,0.00009998765,0.0005872936,0.00007158158,0.000005392327],"category_scores_gemma":[0.002320102,0.0001921045,0.00008523453,0.001536596,0.00006548248,0.000128133,0.0004687128,0.001483638,0.000004352137],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.002639716,"about_ca_system_score_gemma":0.0006822979,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.04061722,"about_ca_topic_score_gemma":0.02534376,"domain_scores_codex":[0.9931297,0.003534445,0.0005295771,0.0007774391,0.001037365,0.0009914739],"domain_scores_gemma":[0.9968396,0.001680832,0.0001652431,0.001101619,0.0001086582,0.0001040344],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.004316055,0.0005699363,0.9816242,0.0002494752,0.00007798009,0.0003984184,0.01025717,0.00004947636,0.001934784,0.0001017567,0.00004947787,0.0003712767],"study_design_scores_gemma":[0.005846456,0.0009812956,0.9881302,0.00005298067,0.00004378213,0.00006239919,0.002798505,0.0002763713,0.0003554187,0.000170314,0.001078282,0.0002040378],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9883901,0.0003037269,0.00005953283,0.004087596,0.0001998157,0.006662273,0.00009314687,0.00005434399,0.0001494985],"genre_scores_gemma":[0.9600691,0.00006426913,0.000008713439,0.03814003,0.0002531989,0.00141752,0.00001034673,0.00003585879,9.422477e-7],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.03405243,"threshold_uncertainty_score":0.9924412,"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."}}