{"id":"W2622339686","doi":"10.1503/cmaj.161156","title":"Perinatal and maternal morbidity and mortality after attempted operative vaginal delivery at midpelvic station","year":2017,"lang":"en","type":"article","venue":"Canadian Medical Association Journal","topic":"Maternal and Perinatal Health Interventions","field":"Medicine","cited_by":49,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of British Columbia","funders":"Canadian Institutes of Health Research; BC Children's Hospital","keywords":"Medicine; Vaginal delivery; Forceps; Obstetrics; Odds ratio; Confidence interval; Maternal death; Population; Pregnancy; Mortality rate; Surgery","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":true,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.0007336535,0.0001192327,0.0002074882,0.00008190684,0.0007685932,0.0002069362,0.00008981726,0.0001782449,0.006382801],"category_scores_gemma":[0.0002536323,0.0001016918,0.00005276122,0.00002204926,0.0001139839,0.0002627277,0.00005639716,0.000498559,0.00004527492],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000590347,"about_ca_system_score_gemma":0.0005248098,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.02264457,"about_ca_topic_score_gemma":0.06433665,"domain_scores_codex":[0.9984567,0.00009305104,0.0003346772,0.0001722535,0.0006357329,0.0003076312],"domain_scores_gemma":[0.9978878,0.00003060164,0.000214757,0.0001142239,0.0002708905,0.001481737],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00008633026,0.00001438775,0.9890081,0.0001602593,0.00007359726,0.001153693,0.00017542,5.733793e-8,0.00001451023,0.00003639398,0.001645693,0.007631519],"study_design_scores_gemma":[0.001237012,0.0001157135,0.9481761,0.0001781452,0.00002404046,0.001614679,0.00005965223,0.0002755271,0.00003823941,0.00005242249,0.04813763,0.00009085908],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9899406,0.000111649,0.00001270185,0.008296537,0.0003998241,0.0004204318,0.0001986602,0.000007655009,0.0006119173],"genre_scores_gemma":[0.9942769,0.0001088572,0.00005935643,0.001708763,0.0005166949,0.00007131727,0.000009884901,0.000009417973,0.003238775],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.04649194,"threshold_uncertainty_score":0.9945255,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02217037559869435,"score_gpt":0.3344750845704867,"score_spread":0.3123047089717924,"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."}}