{"id":"W2964480069","doi":"10.1016/j.ajogmf.2019.100029","title":"Defining the upper limit of the second stage of labor in nulliparous patients","year":2019,"lang":"en","type":"article","venue":"American Journal of Obstetrics & Gynecology MFM","topic":"Maternal and Perinatal Health Interventions","field":"Medicine","cited_by":16,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Toronto; St. Michael's Hospital","funders":"Health Research Board","keywords":"Medicine; Vaginal delivery; Cephalic presentation; Obstetrics; Apgar score; Stage (stratigraphy); Gestational age; Pregnancy","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.002266017,0.0003700956,0.0007136365,0.00160022,0.0005865398,0.00199252,0.0008219982,0.001073355,0.001392516],"category_scores_gemma":[0.01408168,0.0002021287,0.000650833,0.0006872028,0.0005303407,0.0008425316,0.001359203,0.001687747,0.0002182308],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0008015453,"about_ca_system_score_gemma":0.001363229,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002943238,"about_ca_topic_score_gemma":0.002421961,"domain_scores_codex":[0.9984546,0.0005575733,0.0002238144,0.0001303831,0.0002965591,0.0003370722],"domain_scores_gemma":[0.9948207,0.00218483,0.001608427,0.0001524322,0.0003080501,0.0009254667],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.001142436,0.0001272728,0.9817749,0.00008468635,0.0000373376,0.0005653057,0.0006985218,0.0003700174,0.0009769674,0.001374571,0.0006590183,0.01218894],"study_design_scores_gemma":[0.00006859951,0.001396487,0.9800654,0.000594583,0.00006109041,0.003750968,0.00353506,0.003544739,0.001907832,0.001782142,0.003245185,0.00004802015],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9867104,0.004519109,0.001839753,0.001185106,0.0001222422,0.00007324709,0.0003808657,0.00001917779,0.005150111],"genre_scores_gemma":[0.9972664,0.0004747389,0.00126618,0.0002085033,0.00005899755,0.00006766136,0.000331964,0.000007654501,0.000317841],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002943238,"threshold_uncertainty_score":0.01198399,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01026904618550739,"score_gpt":0.2848078089868147,"score_spread":0.2745387628013073,"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."}}