{"id":"W4411051475","doi":"10.1097/og9.0000000000000084","title":"Temporal Trends in Second-Stage Cesarean Birth in Ontario, Canada, 2012–2021","year":2025,"lang":"en","type":"article","venue":"O&G Open","topic":"Maternal and Perinatal Health Interventions","field":"Medicine","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Stage (stratigraphy); Obstetrics; Demography; Medicine; Biology; Sociology","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0008395364,0.0003164233,0.0004134822,0.001686319,0.001245201,0.0009344856,0.001282969,0.0004932003,0.002103923],"category_scores_gemma":[0.003403691,0.0003461054,0.0009020306,0.003669326,0.0005174263,0.0004099343,0.0007246466,0.0007521122,0.0002030681],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.03014835,"about_ca_system_score_gemma":0.04294993,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9960107,"about_ca_topic_score_gemma":0.9968489,"domain_scores_codex":[0.9987697,0.00004871218,0.0001093389,0.000200234,0.0005202023,0.0003517949],"domain_scores_gemma":[0.9952424,0.0001556416,0.001416574,0.00009969692,0.002501787,0.0005839737],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00009013761,0.00001701799,0.9876295,0.0001768821,0.0001360444,0.0001154962,0.0006541457,0.0003032548,0.0002941913,0.0002001214,0.005057282,0.005325875],"study_design_scores_gemma":[0.000006173447,0.00001255437,0.9966073,0.00006337418,0.00003634033,0.00008075521,0.0005160337,0.0003546769,0.000045221,0.00001448035,0.002254145,0.000008906914],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9090707,0.008710148,0.0008299832,0.004150042,0.0001284955,0.0001305043,0.07011195,0.0001221619,0.006745978],"genre_scores_gemma":[0.9841346,0.002712765,0.000561116,0.000359388,0.00003144706,0.00005794152,0.009579367,0.0000199641,0.002543335],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.03014835,"threshold_uncertainty_score":0.2187425,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03728140740769386,"score_gpt":0.3475820793877777,"score_spread":0.3103006719800838,"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."}}