{"id":"W2032175566","doi":"10.1038/ajg.2014.372","title":"The Importance of Accounting for Immortal Time Bias in Pharmacoepidemiologic Analyses","year":2015,"lang":"en","type":"letter","venue":"The American Journal of Gastroenterology","topic":"Health Systems, Economic Evaluations, Quality of Life","field":"Economics, Econometrics and Finance","cited_by":4,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Manitoba","funders":"","keywords":"Medicine; Library science; Family medicine","routes":{"ca_aff":true,"ca_fund":false,"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":["metaresearch"],"consensus_categories":["metaresearch"],"category_scores_codex":[0.3034231,0.0007723682,0.002418394,0.002678348,0.001551228,0.004065774,0.003533473,0.004650757,0.002377244],"category_scores_gemma":[0.6125654,0.0007746927,0.002876141,0.004475069,0.003384817,0.00430116,0.001795143,0.01010065,0.0008103931],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.002917213,"about_ca_system_score_gemma":0.005585093,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01750452,"about_ca_topic_score_gemma":0.030027,"domain_scores_codex":[0.7109711,0.249772,0.01570948,0.007763513,0.0137654,0.002018539],"domain_scores_gemma":[0.2744399,0.6561422,0.0139144,0.03725173,0.01687321,0.001378508],"domain_codex":null,"domain_gemma":"methods","domain_candidate":"methods","domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.002979411,0.0001551926,0.2964097,0.002302613,0.008595765,0.003265048,0.002666779,0.008528872,0.0008608036,0.1138961,0.1318349,0.4285049],"study_design_scores_gemma":[0.00105396,0.0007814692,0.1462161,0.004747539,0.006502969,0.009320813,0.001398924,0.08943719,0.003191623,0.5318341,0.2050433,0.0004720282],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"commentary","genre_gemma":"commentary","genre_scores_codex":[0.07486422,0.05239204,0.3328809,0.4854541,0.02435619,0.000903712,0.005667747,0.0006907169,0.02279029],"genre_scores_gemma":[0.7266179,0.01170578,0.1220877,0.1119677,0.01987327,0.001104323,0.001498344,0.0004240716,0.004720733],"genre_candidate":"commentary","genre_consensus":"commentary","teacher_disagreement_score":0.6965768,"threshold_uncertainty_score":0.8590033,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.4626780415883985,"score_gpt":0.4855866489187211,"score_spread":0.02290860733032252,"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."}}