{"id":"https://openalex.org/W7223314728","doi":"https://doi.org/10.1186/s12888-026-08678-7","title":"Development of machine learning algorithms for identifying repeat suicide attempters among emergency department patients","display_name":"Development of machine learning algorithms for identifying repeat suicide attempters among emergency department patients","publication_year":2026,"publication_date":"2026-10-23","ids":{"openalex":"https://openalex.org/W7223314728","doi":"https://doi.org/10.1186/s12888-026-08678-7"},"language":"en","primary_location":{"id":"doi:10.1186/s12888-026-08678-7","doi":"https://doi.org/10.1186/s12888-026-08678-7","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s12888-026-08678-7","pdf_url":null,"source":{"id":"https://openalex.org/S94610253","display_name":"BMC Psychiatry","issn_l":"1471-244X","issn":["1471-244X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-d","doyens","jufo-2","ki-jl-1","medline","norway-1","oarl","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320256","host_organization_name":"BioMed Central","host_organization_lineage":["https://openalex.org/P4310320256","https://openalex.org/P4310319965"],"host_organization_lineage_names":["BioMed Central","Springer Nature"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BMC Psychiatry","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1186/s12888-026-08678-7","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5075873186","display_name":"Seunggu Na","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4575257","display_name":"Hanyang University","ror":"https://ror.org/046865y68","country_code":"KR","type":"education","lineage":["https://openalex.org/I4575257"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Seunggu Na","raw_affiliation_strings":["Department of Emergency Medicine, College of Medicine, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Emergency Medicine, College of Medicine, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea","institution_ids":["https://openalex.org/I4575257"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020636840","display_name":"Juncheol Lee","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210142845","display_name":"Hanyang University Seoul Hospital","ror":"https://ror.org/04n76mm80","country_code":"KR","type":"healthcare","lineage":["https://openalex.org/I4210142845","https://openalex.org/I4210152466","https://openalex.org/I4575257"]},{"id":"https://openalex.org/I4575257","display_name":"Hanyang University","ror":"https://ror.org/046865y68","country_code":"KR","type":"education","lineage":["https://openalex.org/I4575257"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Juncheol Lee","raw_affiliation_strings":["Department of Emergency Medicine, College of Medicine, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea","Hanyang Emergency Medicine AI & Data Science Lab (HEADS), Department of Emergency Medicine, Hanyang University Hospital, Seoul, Republic of Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Emergency Medicine, College of Medicine, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea","institution_ids":["https://openalex.org/I4575257"]},{"raw_affiliation_string":"Hanyang Emergency Medicine AI & Data Science Lab (HEADS), Department of Emergency Medicine, Hanyang University Hospital, Seoul, Republic of Korea","institution_ids":["https://openalex.org/I4210142845","https://openalex.org/I4575257"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5157587429","display_name":"Jaehoon Oh","orcid":"https://orcid.org/0000-0001-8055-1467","observed_orcids":["https://orcid.org/0000-0001-8055-1467"]},"institutions":[{"id":"https://openalex.org/I4210142845","display_name":"Hanyang University Seoul Hospital","ror":"https://ror.org/04n76mm80","country_code":"KR","type":"healthcare","lineage":["https://openalex.org/I4210142845","https://openalex.org/I4210152466","https://openalex.org/I4575257"]},{"id":"https://openalex.org/I4575257","display_name":"Hanyang University","ror":"https://ror.org/046865y68","country_code":"KR","type":"education","lineage":["https://openalex.org/I4575257"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jaehoon Oh","raw_affiliation_strings":["Department of Emergency Medicine, College of Medicine, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea","Hanyang Emergency Medicine AI & Data Science Lab (HEADS), Department of Emergency Medicine, Hanyang University Hospital, Seoul, Republic of Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Emergency Medicine, College of Medicine, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea","institution_ids":["https://openalex.org/I4575257"]},{"raw_affiliation_string":"Hanyang Emergency Medicine AI & Data Science Lab (HEADS), Department of Emergency Medicine, Hanyang University Hospital, Seoul, Republic of Korea","institution_ids":["https://openalex.org/I4210142845","https://openalex.org/I4575257"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022047971","display_name":"Kyung Hun Yoo","orcid":"https://orcid.org/0000-0003-2250-5280","observed_orcids":["https://orcid.org/0000-0003-2250-5280"]},"institutions":[{"id":"https://openalex.org/I4210142845","display_name":"Hanyang University Seoul Hospital","ror":"https://ror.org/04n76mm80","country_code":"KR","type":"healthcare","lineage":["https://openalex.org/I4210142845","https://openalex.org/I4210152466","https://openalex.org/I4575257"]},{"id":"https://openalex.org/I4575257","display_name":"Hanyang University","ror":"https://ror.org/046865y68","country_code":"KR","type":"education","lineage":["https://openalex.org/I4575257"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Kyung Hun Yoo","raw_affiliation_strings":["Department of Emergency Medicine, College of Medicine, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea","Hanyang Emergency Medicine AI & Data Science Lab (HEADS), Department of Emergency Medicine, Hanyang University Hospital, Seoul, Republic of Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Emergency Medicine, College of Medicine, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea","institution_ids":["https://openalex.org/I4575257"]},{"raw_affiliation_string":"Hanyang Emergency Medicine AI & Data Science Lab (HEADS), Department of Emergency Medicine, Hanyang University Hospital, Seoul, Republic of Korea","institution_ids":["https://openalex.org/I4210142845","https://openalex.org/I4575257"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5157389753","display_name":"Yongil Cho","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4575257","display_name":"Hanyang University","ror":"https://ror.org/046865y68","country_code":"KR","type":"education","lineage":["https://openalex.org/I4575257"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Yongil Cho","raw_affiliation_strings":["Department of Emergency Medicine, College of Medicine, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Emergency Medicine, College of Medicine, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea","institution_ids":["https://openalex.org/I4575257"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5157526490","display_name":"Sang Hwan Lee","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4575257","display_name":"Hanyang University","ror":"https://ror.org/046865y68","country_code":"KR","type":"education","lineage":["https://openalex.org/I4575257"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Sang Hwan Lee","raw_affiliation_strings":["Department of Emergency Medicine, College of Medicine, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Emergency Medicine, College of Medicine, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea","institution_ids":["https://openalex.org/I4575257"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5020636840"],"corresponding_institution_ids":["https://openalex.org/I4210142845","https://openalex.org/I4575257"],"apc_list":{"value":3290,"currency":"USD","value_usd":3290},"apc_paid":{"value":3290,"currency":"USD","value_usd":3290},"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.88742378,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10376","display_name":"Suicide and Self-Harm Studies","score":0.9907000064849854,"subfield":{"id":"https://openalex.org/subfields/3203","display_name":"Clinical Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T10376","display_name":"Suicide and Self-Harm Studies","score":0.9907000064849854,"subfield":{"id":"https://openalex.org/subfields/3203","display_name":"Clinical Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11396","display_name":"Artificial Intelligence in Healthcare","score":0.004900000058114529,"subfield":{"id":"https://openalex.org/subfields/3605","display_name":"Health Information Management"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T13702","display_name":"Machine Learning in Healthcare","score":0.0017000000225380063,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/suicide-attempters","display_name":"suicide attempters","score":0.6470000147819519},{"id":"https://openalex.org/keywords/previous-suicide-attempts","display_name":"previous suicide attempts","score":0.7919999957084656},{"id":"https://openalex.org/keywords/emergency-department-patients","display_name":"emergency department patients","score":0.6859999895095825},{"id":"https://openalex.org/keywords/machine-learning-prediction-models","display_name":"machine learning prediction models","score":0.7260000109672546},{"id":"https://openalex.org/keywords/suicide-risk-detection","display_name":"suicide risk identification","score":0.6169999837875366},{"id":"https://openalex.org/keywords/psychiatric-history","display_name":"psychiatric history","score":0.9279999732971191},{"id":"https://openalex.org/keywords/age","display_name":"age","score":0.6240000128746033},{"id":"https://openalex.org/keywords/model-calibration-and-discrimination","display_name":"discrimination and calibration","score":0.5899999737739563},{"id":"https://openalex.org/keywords/decision-tree","display_name":"decision tree","score":0.45100000500679016},{"id":"https://openalex.org/keywords/random-forest","display_name":"random forest","score":0.8550000190734863},{"id":"https://openalex.org/keywords/xgboost","display_name":"XGBoost","score":0.7229999899864197},{"id":"https://openalex.org/keywords/logistic-regression","display_name":"logistic regression","score":0.39500001072883606}],"concepts":[{"id":"https://openalex.org/C2780724011","wikidata":"https://www.wikidata.org/wiki/Q1295316","display_name":"Emergency department","level":2,"score":0.7882000207901001},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.6917999982833862},{"id":"https://openalex.org/C2780842732","wikidata":"https://www.wikidata.org/wiki/Q3518184","display_name":"Suicide attempt","level":4,"score":0.5947999954223633},{"id":"https://openalex.org/C169258074","wikidata":"https://www.wikidata.org/wiki/Q245748","display_name":"Random forest","level":2,"score":0.5814999938011169},{"id":"https://openalex.org/C151956035","wikidata":"https://www.wikidata.org/wiki/Q1132755","display_name":"Logistic regression","level":2,"score":0.5800999999046326},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.5471000075340271},{"id":"https://openalex.org/C52001869","wikidata":"https://www.wikidata.org/wiki/Q812530","display_name":"Naive Bayes classifier","level":3,"score":0.54339998960495},{"id":"https://openalex.org/C58471807","wikidata":"https://www.wikidata.org/wiki/Q327120","display_name":"Receiver operating characteristic","level":2,"score":0.5353000164031982},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5351999998092651},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5224000215530396},{"id":"https://openalex.org/C35405484","wikidata":"https://www.wikidata.org/wiki/Q4967066","display_name":"Brier score","level":2,"score":0.5199000239372253},{"id":"https://openalex.org/C70153297","wikidata":"https://www.wikidata.org/wiki/Q5591907","display_name":"Gradient boosting","level":3,"score":0.49000000953674316},{"id":"https://openalex.org/C526869908","wikidata":"https://www.wikidata.org/wiki/Q3298118","display_name":"Suicide prevention","level":3,"score":0.4805999994277954},{"id":"https://openalex.org/C84525736","wikidata":"https://www.wikidata.org/wiki/Q831366","display_name":"Decision tree","level":2,"score":0.4749000072479248},{"id":"https://openalex.org/C3017944768","wikidata":"https://www.wikidata.org/wiki/Q1450463","display_name":"Poison control","level":2,"score":0.46790000796318054},{"id":"https://openalex.org/C44249647","wikidata":"https://www.wikidata.org/wiki/Q208498","display_name":"Confidence interval","level":2,"score":0.45010000467300415},{"id":"https://openalex.org/C46686674","wikidata":"https://www.wikidata.org/wiki/Q466303","display_name":"Boosting (machine learning)","level":2,"score":0.4318999946117401},{"id":"https://openalex.org/C190385971","wikidata":"https://www.wikidata.org/wiki/Q373494","display_name":"Injury prevention","level":3,"score":0.40450000762939453},{"id":"https://openalex.org/C12267149","wikidata":"https://www.wikidata.org/wiki/Q282453","display_name":"Support vector machine","level":2,"score":0.4036000072956085},{"id":"https://openalex.org/C187155963","wikidata":"https://www.wikidata.org/wiki/Q629029","display_name":"Occupational safety and health","level":2,"score":0.36489999294281006},{"id":"https://openalex.org/C545542383","wikidata":"https://www.wikidata.org/wiki/Q2751242","display_name":"Medical emergency","level":1,"score":0.3393000066280365},{"id":"https://openalex.org/C118552586","wikidata":"https://www.wikidata.org/wiki/Q7867","display_name":"Psychiatry","level":1,"score":0.3192000091075897},{"id":"https://openalex.org/C134362201","wikidata":"https://www.wikidata.org/wiki/Q317309","display_name":"Mental health","level":2,"score":0.3172000050544739},{"id":"https://openalex.org/C166735990","wikidata":"https://www.wikidata.org/wiki/Q1750812","display_name":"Human factors and ergonomics","level":3,"score":0.31439998745918274},{"id":"https://openalex.org/C138816342","wikidata":"https://www.wikidata.org/wiki/Q189603","display_name":"Public health","level":2,"score":0.30880001187324524},{"id":"https://openalex.org/C194828623","wikidata":"https://www.wikidata.org/wiki/Q2861470","display_name":"Emergency medicine","level":1,"score":0.2953999936580658},{"id":"https://openalex.org/C110083411","wikidata":"https://www.wikidata.org/wiki/Q1744628","display_name":"Statistical classification","level":2,"score":0.2919999957084656},{"id":"https://openalex.org/C167135981","wikidata":"https://www.wikidata.org/wiki/Q2146302","display_name":"Retrospective cohort study","level":2,"score":0.2858999967575073},{"id":"https://openalex.org/C2779473830","wikidata":"https://www.wikidata.org/wiki/Q1540899","display_name":"MEDLINE","level":2,"score":0.28450000286102295},{"id":"https://openalex.org/C2780577388","wikidata":"https://www.wikidata.org/wiki/Q7256236","display_name":"Psychiatric history","level":3,"score":0.28040000796318054},{"id":"https://openalex.org/C33724603","wikidata":"https://www.wikidata.org/wiki/Q812540","display_name":"Bayesian network","level":2,"score":0.26089999079704285},{"id":"https://openalex.org/C156957248","wikidata":"https://www.wikidata.org/wiki/Q1862216","display_name":"Odds ratio","level":2,"score":0.25940001010894775},{"id":"https://openalex.org/C2777120189","wikidata":"https://www.wikidata.org/wiki/Q780067","display_name":"Triage","level":2,"score":0.25450000166893005}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1186/s12888-026-08678-7","doi":"https://doi.org/10.1186/s12888-026-08678-7","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s12888-026-08678-7","pdf_url":null,"source":{"id":"https://openalex.org/S94610253","display_name":"BMC Psychiatry","issn_l":"1471-244X","issn":["1471-244X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-d","doyens","jufo-2","ki-jl-1","medline","norway-1","oarl","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320256","host_organization_name":"BioMed Central","host_organization_lineage":["https://openalex.org/P4310320256","https://openalex.org/P4310319965"],"host_organization_lineage_names":["BioMed Central","Springer Nature"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BMC Psychiatry","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1186/s12888-026-08678-7","doi":"https://doi.org/10.1186/s12888-026-08678-7","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s12888-026-08678-7","pdf_url":null,"source":{"id":"https://openalex.org/S94610253","display_name":"BMC Psychiatry","issn_l":"1471-244X","issn":["1471-244X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-d","doyens","jufo-2","ki-jl-1","medline","norway-1","oarl","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320256","host_organization_name":"BioMed Central","host_organization_lineage":["https://openalex.org/P4310320256","https://openalex.org/P4310319965"],"host_organization_lineage_names":["BioMed Central","Springer Nature"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BMC Psychiatry","raw_type":"journal-article"},"sustainable_development_goals":[{"score":1.0,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"study_designs":[{"display_name":"Observational Study","id":"https://openalex.org/study-designs/observational-study"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2605512411","https://openalex.org/W2969919201","https://openalex.org/W3007372240","https://openalex.org/W7128958663","https://openalex.org/W4210255831","https://openalex.org/W2202313121","https://openalex.org/W4413832463","https://openalex.org/W3139301569","https://openalex.org/W4388652970","https://openalex.org/W4391091776"],"abstract_inverted_index":{"Suicide":[0],"is":[1,31],"a":[2,61,75,106,198,284,305],"major":[3],"public":[4],"health":[5],"concern,":[6],"particularly":[7],"in":[8,237,312],"South":[9],"Korea,":[10],"and":[11,82,112,117,151,166,183,209,234,292,320],"the":[12,33,71,98,172,175,192,214,238,265,317],"emergency":[13,72,99,274],"department":[14,73,100,275],"provides":[15],"an":[16,248],"important":[17],"opportunity":[18],"to":[19,53,57,70,97,122,232,280,297],"identify":[20,58,281],"patients":[21,59,282],"at":[22,48,201],"increased":[23],"risk.":[24],"A":[25],"history":[26,62,199,208,285,291],"of":[27,36,63,101,200,250,286,322],"prior":[28,64,204,287],"suicide":[29,65,76,107,205,288],"attempts":[30,66],"among":[32,67,213],"strongest":[34],"predictors":[35,217],"subsequent":[37],"suicidal":[38],"behaviour,":[39],"but":[40,262],"it":[41],"may":[42],"not":[43,303],"always":[44],"be":[45,328],"readily":[46],"apparent":[47],"presentation.":[49],"This":[50],"study":[51],"aimed":[52],"develop":[54,123],"machine-learning":[55],"models":[56,257,311],"with":[60,187,227,247,283],"adults":[68,89],"presenting":[69],"after":[74,105],"attempt,":[77],"using":[78,159,171],"routinely":[79,272],"available":[80,273],"demographic":[81,116],"clinical":[83],"variables.":[84],"We":[85],"retrospectively":[86],"analysed":[87],"1,368":[88,193],"aged":[90],"18":[91],"years":[92],"or":[93],"older":[94],"who":[95],"presented":[96],"Hanyang":[102],"University":[103],"Hospital":[104],"attempt":[108],"between":[109],"January":[110],"2021":[111],"June":[113],"2023.":[114],"Eleven":[115],"suicide-related":[118],"variables":[119,276],"were":[120,169,211],"used":[121],"eight":[124],"models:":[125],"logistic":[126],"regression":[127],"(LR),":[128],"linear":[129],"support":[130],"vector":[131],"machine":[132,142],"(Linear-SVM),":[133],"decision":[134,266],"tree":[135,267],"(DT),":[136],"random":[137],"forest":[138],"(RF),":[139],"gradient":[140,148],"boosting":[141,149],"(GBM),":[143],"neural":[144],"network":[145],"(NN),":[146],"eXtreme":[147],"(XGBoost),":[150],"naive":[152],"Bayes":[153],"(NB).":[154],"Model":[155],"performance":[156,168,185,307],"was":[157,221,253],"assessed":[158],"repeated":[160],"stratified":[161],"10-fold":[162],"cross-validation.":[163],"Discrimination,":[164],"calibration,":[165],"classification":[167],"evaluated":[170],"area":[173],"under":[174],"receiver":[176],"operating":[177],"characteristic":[178],"curve":[179],"(AUC),":[180],"Brier":[181],"score,":[182],"additional":[184],"measures":[186],"95%":[188,239],"confidence":[189,240],"intervals.":[190,241],"Of":[191],"patients,":[194],"589":[195],"(43.1%)":[196],"had":[197],"least":[202],"one":[203],"attempt.":[206],"Psychiatric":[207,290],"age":[210,293],"consistently":[212,296],"most":[215,225,256,295],"influential":[216],"across":[218],"models.":[219],"Discrimination":[220],"broadly":[222],"similar":[223],"for":[224,255,264],"models,":[226],"AUCs":[228],"ranging":[229],"from":[230],"0.71":[231],"0.73":[233],"substantial":[235],"overlap":[236],"The":[242],"DT":[243],"showed":[244,277],"lower":[245],"discrimination,":[246],"AUC":[249],"0.66.":[251],"Calibration":[252],"acceptable":[254],"(Brier":[258],"scores":[259],"approximately":[260],"0.21)":[261],"poorer":[263],"(0.27).":[268],"Models":[269],"based":[270],"on":[271],"moderate":[278],"ability":[279],"attempts.":[289],"contributed":[294],"prediction.":[298],"More":[299],"complex":[300],"algorithms":[301],"did":[302],"show":[304],"clear":[306],"advantage":[308],"over":[309],"simpler":[310],"this":[313],"limited-variable":[314],"dataset.":[315],"Given":[316],"single-centre":[318],"design":[319],"absence":[321],"external":[323],"validation,":[324],"these":[325],"findings":[326],"should":[327],"considered":[329],"exploratory.":[330]},"counts_by_year":[],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2026-10-24T00:00:00"}
