{"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":"codex-gemma-dda1882f352a","candidate_categories":["metaresearch","metaepi_broad","insufficient_payload"],"consensus_categories":["metaresearch"],"category_scores_codex":[0.5997044,0.0005278701,0.105235,0.00222641,0.00002505852,0.0000375534,0.0008017531,0.0001149602,0.002127397],"category_scores_gemma":[0.760595,0.0001855376,0.002150785,0.002118344,0.0005540756,0.0001117203,0.00006469213,0.0002644769,0.000008661053],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00003473662,"about_ca_system_score_gemma":0.00005162201,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0004519878,"about_ca_topic_score_gemma":0.0005264905,"domain_scores_codex":[0.5751068,0.2930471,0.1199354,0.001520276,0.009792223,0.0005982204],"domain_scores_gemma":[0.5796353,0.3916388,0.02585554,0.001778811,0.0009442594,0.0001472729],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"systematic_review","study_design_gemma":"randomized_trial","study_design_scores_codex":[0.2101662,0.002299278,0.02742024,0.3372347,0.08630934,0.0007556209,0.09430517,0.0200535,0.00366183,0.1704233,0.03230149,0.01506933],"study_design_scores_gemma":[0.4583548,0.0003077372,0.0003838424,0.01774194,0.04274667,0.0000128871,0.003396425,0.4199845,0.0000192413,0.0566935,0.00006805525,0.0002903446],"study_design_candidate":"randomized_trial","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.02563097,0.3857783,0.5581669,0.0006746142,0.0004906119,0.02647709,0.00003905624,0.000003816472,0.002738598],"genre_scores_gemma":[0.9773724,0.009539317,0.01147316,0.00007569885,0.00004487941,0.001061592,0.00001392147,0.00001360548,0.0004054117],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.9517415,"threshold_uncertainty_score":0.9987848,"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."}}