{"id":"W2623257747","doi":"10.1136/bmj.j2490","title":"Evolution of poor reporting and inadequate methods over time in 20 920 randomised controlled trials included in Cochrane reviews: research on research study","year":2017,"lang":"en","type":"article","venue":"BMJ","topic":"Meta-analysis and systematic reviews","field":"Decision Sciences","cited_by":180,"is_retracted":false,"has_abstract":true,"ca_institutions":"Ottawa Hospital; University of Ottawa","funders":"Institut National de la Santé et de la Recherche Médicale; National Institute for Health and Care Research; Cancer Research UK","keywords":"Blinding; Medicine; Data extraction; Randomized controlled trial; Reporting bias; Systematic review; Relative risk; Publication bias; MEDLINE; Meta-analysis; Clinical trial; Family medicine; Internal medicine; Confidence interval","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":[0.957858,0.0002692975,0.01576481,0.002300953,0.0004228128,0.0008342945,0.001781862,0.0001513607,0.001566073],"category_scores_gemma":[0.9325739,0.0001240692,0.001372573,0.001821799,0.0002324886,0.0002887827,0.0005655774,0.0006509896,0.0003028172],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001706015,"about_ca_system_score_gemma":0.0002773437,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0006936179,"about_ca_topic_score_gemma":0.0006234346,"domain_scores_codex":[0.1421276,0.7438346,0.08873345,0.003038473,0.02100969,0.0012562],"domain_scores_gemma":[0.4932137,0.3761179,0.1029399,0.01867892,0.008475139,0.0005745238],"domain_codex":"methods","domain_gemma":null,"domain_candidate":"methods","domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.06321361,0.004307579,0.3465326,0.001823078,0.002408802,0.0005751873,0.0123813,0.0003228447,0.04630702,0.002967145,0.2955977,0.2235631],"study_design_scores_gemma":[0.2586598,0.002021396,0.5813105,0.005855836,0.0009288693,0.00002153392,0.007484101,0.08733259,0.0006868311,0.04235626,0.01236669,0.0009756578],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9488508,0.008099815,0.000446677,0.002779138,0.0001799799,0.02558917,0.00000509635,0.000003080593,0.01404627],"genre_scores_gemma":[0.9870193,0.0002149045,0.002926801,0.00002101569,0.0001312621,0.001221238,0.000001380837,0.00001371567,0.008450361],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3677168,"threshold_uncertainty_score":0.9993466,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.9221489427062781,"score_gpt":0.7414242414813923,"score_spread":0.1807247012248858,"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."}}