{"id":"W2888230474","doi":"10.1016/j.jclinepi.2018.08.007","title":"Subgroup analyses are seldom possible and subgroup effects are rare in Cochrane HIV systematic reviews","year":2018,"lang":"en","type":"letter","venue":"Journal of Clinical Epidemiology","topic":"Data-Driven Disease Surveillance","field":"Medicine","cited_by":2,"is_retracted":false,"has_abstract":false,"ca_institutions":"Hamilton Health Sciences; McMaster University; Ontario HIV Treatment Network; Population Health Research Institute; St. Joseph’s Healthcare Hamilton; Impact","funders":"","keywords":"Systematic review; Subgroup analysis; Meta-analysis; Study heterogeneity; Medicine; Generalizability theory; MEDLINE; Publication bias; Statistics; 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","metaepi_broad"],"consensus_categories":["metaresearch"],"category_scores_codex":[0.2088297,0.001370641,0.005611854,0.006853244,0.001841379,0.006726649,0.00286677,0.01309171,0.01458074],"category_scores_gemma":[0.8057377,0.002089953,0.00573067,0.006835564,0.003800623,0.008526881,0.004764904,0.01007077,0.003705319],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.003839934,"about_ca_system_score_gemma":0.01005532,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00344214,"about_ca_topic_score_gemma":0.01129706,"domain_scores_codex":[0.614438,0.2697586,0.08514863,0.00780743,0.02068075,0.002166543],"domain_scores_gemma":[0.1069886,0.8281521,0.03591713,0.01331062,0.01390447,0.001727072],"domain_codex":null,"domain_gemma":"methods","domain_candidate":"methods","domain_consensus":null,"study_design_codex":"not_applicable","study_design_gemma":"observational","study_design_scores_codex":[0.002561364,0.00006141272,0.01025842,0.1422893,0.02509474,0.00162041,0.002080048,0.0005101799,0.0001949038,0.02414431,0.6121579,0.1790269],"study_design_scores_gemma":[0.01187012,0.0005755104,0.01094626,0.2286955,0.03583474,0.00342223,0.002143227,0.00254911,0.0008084612,0.1951351,0.5075026,0.0005170462],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"commentary","genre_gemma":"commentary","genre_scores_codex":[0.003159135,0.2121418,0.01268834,0.7074485,0.04147124,0.002472349,0.006008381,0.0003343523,0.0142758],"genre_scores_gemma":[0.08287952,0.08644608,0.02895232,0.7260005,0.06159904,0.008855125,0.001756625,0.0003704822,0.003140287],"genre_candidate":"commentary","genre_consensus":"commentary","teacher_disagreement_score":0.9943882,"threshold_uncertainty_score":0.9756538,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.2905082224537366,"score_gpt":0.5208990976662901,"score_spread":0.2303908752125534,"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."}}