{"id":"W2948623056","doi":"10.1503/cmaj.72687","title":"Key considerations when comparing outcomes by mode of delivery raise questions about study validity and clinical relevance","year":2019,"lang":"en","type":"letter","venue":"Canadian Medical Association Journal","topic":"Maternal and Perinatal Health Interventions","field":"Medicine","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Observational study; Cesarean delivery; Relevance (law); Key (lock); Maternal morbidity; Vaginal delivery; Medicine; Pregnancy; Obstetrics; Computer science; Pathology; Political science; Computer security","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":true,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":["metaresearch"],"consensus_categories":["metaresearch"],"category_scores_codex":[0.621851,0.001889048,0.007173434,0.01003413,0.005620127,0.01303122,0.01153982,0.01496051,0.006340027],"category_scores_gemma":[0.9048432,0.001771293,0.003402212,0.01086463,0.02390943,0.01260864,0.008257985,0.02148733,0.00340599],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.008143036,"about_ca_system_score_gemma":0.01088719,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.007885894,"about_ca_topic_score_gemma":0.01106237,"domain_scores_codex":[0.259063,0.5369988,0.1019739,0.02573964,0.07324556,0.002979137],"domain_scores_gemma":[0.03136218,0.9325007,0.01064087,0.009585345,0.01420124,0.001709645],"domain_codex":"methods","domain_gemma":"methods","domain_candidate":"methods","domain_consensus":"methods","study_design_codex":"not_applicable","study_design_gemma":"not_applicable","study_design_scores_codex":[0.00441496,0.0003999845,0.08986492,0.02989004,0.006617455,0.00270487,0.01464248,0.001405649,0.0007111827,0.1017376,0.4464479,0.3011629],"study_design_scores_gemma":[0.003015292,0.001477392,0.06942835,0.05760025,0.00300994,0.006035736,0.01320378,0.009449714,0.001581871,0.5661616,0.2683561,0.0006799262],"study_design_candidate":"not_applicable","study_design_consensus":"not_applicable","genre_codex":"commentary","genre_gemma":"commentary","genre_scores_codex":[0.006190489,0.03974866,0.02172997,0.8888863,0.03372536,0.001278424,0.001825927,0.0001465929,0.006468403],"genre_scores_gemma":[0.1844031,0.0121382,0.0857946,0.6188217,0.08764399,0.008269888,0.0008935134,0.0004664052,0.001568717],"genre_candidate":"commentary","genre_consensus":"commentary","teacher_disagreement_score":0.378149,"threshold_uncertainty_score":0.4663251,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.06123775428479099,"score_gpt":0.3785781348702595,"score_spread":0.3173403805854685,"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."}}