{"id":"W2120330366","doi":"10.1002/sim.1096","title":"Meta‐analyses in systematic reviews of randomized controlled trials in perinatal medicine: comparison of fixed and random effects models","year":2001,"lang":"en","type":"article","venue":"Statistics in Medicine","topic":"Meta-analysis and systematic reviews","field":"Decision Sciences","cited_by":97,"is_retracted":false,"has_abstract":true,"ca_institutions":"Western University","funders":"","keywords":"Meta-analysis; Random effects model; Relative risk; Randomized controlled trial; Confidence interval; Fixed effects model; Medicine; Study heterogeneity; Statistics; Systematic review; Publication bias; MEDLINE; Internal medicine; Mathematics; Biology","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":["metaresearch"],"consensus_categories":["metaresearch"],"category_scores_codex":[0.4016777,0.008311348,0.04119443,0.02646378,0.001529261,0.012598,0.008787611,0.009347832,0.004619718],"category_scores_gemma":[0.6850423,0.006950401,0.07602271,0.02549618,0.003307709,0.01253877,0.00567873,0.01311781,0.000847951],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.009945109,"about_ca_system_score_gemma":0.009430412,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.005769479,"about_ca_topic_score_gemma":0.009474587,"domain_scores_codex":[0.2869693,0.6456513,0.0416191,0.009202017,0.01564427,0.0009139728],"domain_scores_gemma":[0.3464659,0.6027682,0.02442819,0.01853873,0.006946475,0.0008525296],"domain_codex":"methods","domain_gemma":"methods","domain_candidate":"methods","domain_consensus":"methods","study_design_codex":"meta_analysis","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.003823643,0.00009441301,0.003405344,0.1732747,0.7280577,0.0002132802,0.0005291879,0.01353268,0.0001572265,0.009298833,0.004874473,0.06273856],"study_design_scores_gemma":[0.01025261,0.002100452,0.004228236,0.09055498,0.7714043,0.0004887038,0.0003678975,0.02219628,0.0007327336,0.08250222,0.01455039,0.0006212346],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"review","genre_gemma":"empirical","genre_scores_codex":[0.003077406,0.8102433,0.1691012,0.004624797,0.004957308,0.005350515,0.001052847,0.0005412524,0.001051335],"genre_scores_gemma":[0.1302518,0.3953381,0.4221167,0.005550796,0.003823254,0.03963296,0.001611526,0.0007165617,0.0009583171],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.5983223,"threshold_uncertainty_score":0.7378379,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.799571230144511,"score_gpt":0.6104975582558801,"score_spread":0.1890736718886309,"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."}}