{"id":"W2167268972","doi":"10.1093/ije/dyu105","title":"Avoiding blunders involving 'immortal time'","year":2014,"lang":"en","type":"article","venue":"International Journal of Epidemiology","topic":"COVID-19 epidemiological studies","field":"Mathematics","cited_by":62,"is_retracted":false,"has_abstract":true,"ca_institutions":"McGill University; McGill University Health Centre; Montreal Children's Hospital","funders":"","keywords":"Statistical evidence; Psychology; Medicine; Statistics; Mathematics","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":["metaresearch"],"consensus_categories":[],"category_scores_codex":[0.01545405,0.0001991672,0.0009061485,0.0002151232,0.0001241817,0.0000122718,0.0007567943,0.0001609015,0.0003534683],"category_scores_gemma":[0.2170201,0.0001455986,0.0003836307,0.00007837688,0.0002180348,0.0001573492,0.000233368,0.0007174072,0.00006529558],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002354452,"about_ca_system_score_gemma":0.00004095725,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00003462383,"about_ca_topic_score_gemma":0.00001237705,"domain_scores_codex":[0.9952608,0.002203953,0.001630704,0.0002437065,0.0002914313,0.0003693821],"domain_scores_gemma":[0.9463693,0.05136414,0.001463271,0.0001667113,0.0004931562,0.0001433787],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.0003736747,0.0003765986,0.1323545,0.0000697832,0.002308717,0.0001903476,0.001073957,0.00320947,0.0026682,0.6926963,0.1204985,0.04417997],"study_design_scores_gemma":[0.0007782746,0.0002544632,0.01138388,0.0001633088,0.00007127571,0.0003856731,0.0001928595,0.009187278,0.00007428793,0.9430844,0.03417968,0.0002446141],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.599429,0.001758843,0.3423399,0.04635102,0.004152528,0.000197707,0.000010528,0.0001239075,0.005636564],"genre_scores_gemma":[0.9622594,0.0002532905,0.02862725,0.007236154,0.001414591,0.000003446265,0.00000321121,0.00002025274,0.0001824525],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3628303,"threshold_uncertainty_score":0.7895753,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.3147069132240922,"score_gpt":0.4769071265536987,"score_spread":0.1622002133296065,"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."}}