{"id":"W2080784692","doi":"10.1111/j.1537-2995.2007.01277.x","title":"Observational studies: what is a cohort study?","year":2007,"lang":"en","type":"article","venue":"Transfusion","topic":"Blood groups and transfusion","field":"Medicine","cited_by":4,"is_retracted":false,"has_abstract":true,"ca_institutions":"Canadian Blood Services; Ottawa Hospital; University of Ottawa","funders":"Canadian Institutes of Health Research; Canadian Blood Services","keywords":"Epidemiology; Medicine; Clinical epidemiology; Family medicine; Emergency department; Observational study; Library science; Gerontology; Pathology; Nursing","routes":{"ca_aff":true,"ca_fund":true,"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":[0.0008560992,0.0001812198,0.0003671524,0.0001109129,0.0001742115,0.00002285778,0.00006487076,0.0000972237,0.0003954652],"category_scores_gemma":[0.00001451733,0.0001426431,0.0001307626,0.000352937,0.00005189397,0.0002732651,0.00001345357,0.0002153744,0.00005395162],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0000566853,"about_ca_system_score_gemma":0.00003762835,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00009618153,"about_ca_topic_score_gemma":0.0002235271,"domain_scores_codex":[0.9983193,0.00001969237,0.0003815651,0.0003913371,0.0006159678,0.0002721857],"domain_scores_gemma":[0.9992226,0.0001077211,0.00003210472,0.0002918769,0.0002057467,0.0001399571],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0007472944,0.00167875,0.924006,0.0001183418,0.0003940294,0.0001682334,0.008872818,0.000001021795,0.01325048,0.0001616048,0.0004938534,0.05010755],"study_design_scores_gemma":[0.003726329,0.0009255199,0.9789653,0.000233979,0.0004161515,0.00004154173,0.00618427,0.00001960373,0.005095678,0.0001381075,0.004078041,0.0001754172],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.991581,0.001745055,0.001087888,0.002409371,0.0004572264,0.001454658,0.000002445928,0.0001050995,0.001157216],"genre_scores_gemma":[0.9917578,0.004910856,0.0003754534,0.002014241,0.0002074298,0.00002725171,0.00002106147,0.00002656892,0.0006593232],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.05495934,"threshold_uncertainty_score":0.5816815,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.07080412109989526,"score_gpt":0.3465223508495878,"score_spread":0.2757182297496926,"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."}}