{"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":"metacan-v3-hybrid-931329e0061c","candidate_categories":["metaresearch","metaepi_broad"],"consensus_categories":["metaresearch"],"category_scores_codex":[0.6940379,0.002797493,0.008519141,0.04736918,0.003534877,0.01568637,0.005905588,0.006910003,0.003490372],"category_scores_gemma":[0.9112457,0.005946126,0.01667685,0.06525904,0.007901372,0.01752253,0.01485428,0.006036806,0.001578387],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.02061698,"about_ca_system_score_gemma":0.02157579,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.009056882,"about_ca_topic_score_gemma":0.01206528,"domain_scores_codex":[0.102534,0.3805273,0.4115853,0.02813442,0.07432359,0.002895301],"domain_scores_gemma":[0.03348228,0.5881188,0.2903028,0.04031067,0.04633831,0.00144716],"domain_codex":"reporting","domain_gemma":"reporting","domain_candidate":"reporting","domain_consensus":"reporting","study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.007397035,0.0002628028,0.4780841,0.2066732,0.05588549,0.001362381,0.02565431,0.001830835,0.001185333,0.00701975,0.01617569,0.1984691],"study_design_scores_gemma":[0.002128187,0.00171357,0.5495337,0.2825757,0.05322199,0.005691868,0.009142853,0.003569566,0.004459593,0.01192187,0.07480337,0.001237777],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"review","genre_gemma":"empirical","genre_scores_codex":[0.1636215,0.7527658,0.03233505,0.01458088,0.002076184,0.009690023,0.01828564,0.0004745472,0.006170309],"genre_scores_gemma":[0.7510135,0.1285584,0.05291813,0.01509044,0.001094649,0.03421192,0.01451065,0.001008824,0.001593501],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.9914809,"threshold_uncertainty_score":0.3773057,"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."}}