{"id":"W4411046375","doi":"10.1111/ppe.70010","title":"Placental Abruption and Perinatal Mortality: Abnormal Placentation and Spontaneous Abortion as Contributors to Left Truncation Bias","year":2025,"lang":"en","type":"article","venue":"Paediatric and Perinatal Epidemiology","topic":"Maternal and fetal healthcare","field":"Medicine","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"National Institute of Environmental Health Sciences; National Heart, Lung, and Blood Institute; National Institute on Aging; Centers for Disease Control and Prevention; Hospital for Sick Children; University of Toronto","keywords":"Medicine; Placentation; Placental abruption; Obstetrics; Abortion; Perinatal mortality; Pregnancy; Placenta; Fetus","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0007578158,0.0002041022,0.0004867595,0.0002058599,0.0002006067,0.00001238376,0.00003025365,0.0002152918,0.00004195846],"category_scores_gemma":[0.0008632172,0.0001798152,0.00004520758,0.0001307222,0.0001342413,0.0001219697,0.00008598845,0.000218005,0.0000118416],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00009456795,"about_ca_system_score_gemma":0.00007709176,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001198843,"about_ca_topic_score_gemma":0.0001245837,"domain_scores_codex":[0.9984434,0.0001987369,0.0004826775,0.0004379683,0.0001125953,0.0003246099],"domain_scores_gemma":[0.9988982,0.0004988228,0.0001238195,0.0001117751,0.00007973574,0.0002876101],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.001193198,0.0000216938,0.972133,0.0006963604,0.00003501859,0.0002595073,0.0003149681,0.000004644168,0.0001774754,0.00268287,0.00004802379,0.02243318],"study_design_scores_gemma":[0.001208497,0.0006502093,0.9888601,0.00005180871,0.00008345464,0.00501646,0.0002106988,0.001126222,0.00008907223,0.0004119589,0.002136757,0.0001547456],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9925411,0.003453863,0.0003664837,0.002391567,0.0003413338,0.000541028,0.00008663503,0.00005263857,0.0002253438],"genre_scores_gemma":[0.9953364,0.002211393,0.0001642759,0.00146615,0.0001869829,0.00002587003,0.0001442479,0.00001031921,0.0004543393],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02227843,"threshold_uncertainty_score":0.733265,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03103401163431607,"score_gpt":0.3570833363327054,"score_spread":0.3260493246983893,"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."}}