{"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":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.01685583,0.0003836776,0.00445812,0.0004595329,0.0002117867,0.00004340432,0.001003267,0.0001903897,0.0003970524],"category_scores_gemma":[0.000766289,0.0002494745,0.001143881,0.001861915,0.0000864358,0.00009511679,0.001294929,0.0007009396,0.000001012948],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00008521956,"about_ca_system_score_gemma":0.0007745629,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.008348741,"about_ca_topic_score_gemma":0.0004294327,"domain_scores_codex":[0.9569772,0.03776014,0.002807278,0.0009006236,0.001040127,0.0005145521],"domain_scores_gemma":[0.9928927,0.001042752,0.002429985,0.003255033,0.000204129,0.0001753509],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"meta_analysis","study_design_scores_codex":[0.00000955054,0.0008395513,0.0001273259,0.003141071,0.09240697,0.0002396647,0.003696836,0.00006570411,2.399594e-7,0.00002752552,0.0000155279,0.89943],"study_design_scores_gemma":[0.0005641425,0.0009336492,0.0002266687,0.003005708,0.9706236,0.001289299,0.007870176,0.0008558583,0.00001047953,0.00001995254,0.01409231,0.0005082259],"study_design_candidate":"meta_analysis","study_design_consensus":null,"genre_codex":"review","genre_gemma":"methods","genre_scores_codex":[0.001827485,0.9454551,0.04914539,0.00002115326,0.000293481,0.002814632,0.0004256727,0.00001229113,0.000004748649],"genre_scores_gemma":[0.009803638,0.3933545,0.5937958,0.0002183951,0.0002771246,0.001619201,0.0005754417,0.0002138589,0.0001420798],"genre_candidate":"review","genre_consensus":null,"teacher_disagreement_score":0.8989218,"threshold_uncertainty_score":0.9999958,"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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