{"id":"W3212986201","doi":"10.1016/j.ymeth.2021.11.005","title":"External validation of a shortened screening tool using individual participant data meta-analysis: A case study of the Patient Health Questionnaire-Dep-4","year":2021,"lang":"en","type":"review","venue":"Methods","topic":"Mental Health Research Topics","field":"Psychology","cited_by":6,"is_retracted":false,"has_abstract":false,"ca_institutions":"McGill University; McGill University Health Centre; University of Calgary; Jewish General Hospital","funders":"National Institute of Mental Health; European Regional Development Fund; Canadian Institutes of Health Research; Takeda Canada; Pfizer Canada; Scleroderma Society of Ontario; Janssen Canada; Sandoz Canada; Shanghai Municipal Health and Family Planning Commission; H. Lundbeck A/S; Chinese Diabetes Society; Achmea; University of Cape Town; National Health Research Institutes; National Health and Medical Research Council; Jewish General Hospital; Universidade de Macau; Universiti Sains Malaysia; Medical Research Council; Servier; Universiti Putra Malaysia; National Institutes of Health; Tehran University of Medical Sciences and Health Services; Eisai; Ministry of Science, ICT and Future Planning; Conselho Nacional de Desenvolvimento Científico e Tecnológico; University of Auckland; Ministero della Salute; Consejo Nacional de Ciencia y Tecnología; Department for International Development; Ministry of Education, Science and Technology; Bundesministerium für Bildung und Forschung; Department of Education and Early Childhood Development, State Government of Victoria; University of Technology Sydney; Universiteit van Amsterdam; Universität Heidelberg; Universidade de São Paulo; Multiple Sclerosis Society; Lance Armstrong Foundation; Nederlandse Organisatie voor Wetenschappelijk Onderzoek; University of Melbourne; Cilag; Banco Santander; Research Manitoba; Janssen Pharmaceuticals; Amgen Canada; Novo Nordisk; Deutsche Rentenversicherung; National Institute on Minority Health and Health Disparities; European Commission; AbbVie; National Research Foundation of Korea; Cumming School of Medicine, University of Calgary; Pennsylvania Department of Health; Eli Lilly and Company; Canadian Arthritis Network; U.S. Department of Defense; Fundação de Amparo à Pesquisa do Estado do Rio Grande do Sul; Sanofi; ZonMw; AbbVie Canada; Alberta Innovates - Health Solutions; Duke Global Health Institute, Duke University; Mahidol University; National Alliance for Research on Schizophrenia and Depression; Crohn's and Colitis Canada; Ministry of Health, Labour and Welfare; Alberta Health Services; National Institute on Disability and Rehabilitation Research; Pfizer; Icahn School of Medicine at Mount Sinai; Department of Social Services, Australian Government; Bristol-Myers Squibb; Government of the United Kingdom; Ohio Board of Regents; Australian Government; National Cancer Institute; Sigma Theta Tau International; Alberta Innovates; National Research Foundation; Amgen; Health Foundation Limburg; Grand Challenges Canada; United States Agency for International Development; Mylan; Queensland University of Technology; Armstrong Foundation","keywords":"Cutoff; Patient Health Questionnaire; Equivalence (formal languages); Respondent; Medicine; Meta-analysis; Receiver operating characteristic; Depressive symptoms; Internal medicine; Mathematics; Psychiatry; Physics","routes":{"ca_aff":true,"ca_fund":true,"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":[],"category_scores_codex":[0.1623755,0.002948154,0.009379559,0.00502116,0.0008596321,0.004104034,0.003358549,0.00224691,0.004173786],"category_scores_gemma":[0.2690758,0.001667773,0.02152872,0.003558532,0.001423593,0.002046631,0.00275194,0.001931075,0.0006492328],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.002037781,"about_ca_system_score_gemma":0.00541457,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002676279,"about_ca_topic_score_gemma":0.008774607,"domain_scores_codex":[0.8849064,0.07151205,0.02593184,0.007022169,0.01001845,0.0006091318],"domain_scores_gemma":[0.7506973,0.1956546,0.01693546,0.02355365,0.01250421,0.0006547626],"domain_codex":null,"domain_gemma":"methods","domain_candidate":"methods","domain_consensus":null,"study_design_codex":"meta_analysis","study_design_gemma":"meta_analysis","study_design_scores_codex":[0.006974118,0.0002373677,0.02986148,0.1781222,0.6914029,0.0003929676,0.001180949,0.001434393,0.002137976,0.001431439,0.003886113,0.08293811],"study_design_scores_gemma":[0.007043066,0.001679569,0.0413191,0.02174733,0.9048644,0.0006275548,0.0003367348,0.001821395,0.001804753,0.002028572,0.01647096,0.0002564857],"study_design_candidate":"meta_analysis","study_design_consensus":"meta_analysis","genre_codex":"review","genre_gemma":"empirical","genre_scores_codex":[0.1251801,0.6941425,0.1274047,0.003456744,0.002873805,0.02563114,0.01508336,0.001162781,0.005064841],"genre_scores_gemma":[0.7491677,0.07782241,0.1249639,0.003773433,0.0004975963,0.02858086,0.01257582,0.0007168948,0.001901374],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.8376245,"threshold_uncertainty_score":0.8587339,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.897610904817447,"score_gpt":0.6856880457379039,"score_spread":0.2119228590795431,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). 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