{"id":"https://openalex.org/W2066736629","doi":"https://doi.org/10.1002/(sici)1099-1166(200004)15:4<313::aid-gps115>3.0.co;2-m","title":"Factor analysis supports the evidence of existing hyperactive and hypoactive subtypes of delirium","display_name":"Factor analysis supports the evidence of existing hyperactive and hypoactive subtypes of delirium","publication_year":2000,"publication_date":"2000-04-01","ids":{"openalex":"https://openalex.org/W2066736629","doi":"https://doi.org/10.1002/(sici)1099-1166(200004)15:4<313::aid-gps115>3.0.co;2-m","mag":"2066736629","pmid":"https://pubmed.ncbi.nlm.nih.gov/10767730"},"language":"en","primary_location":{"id":"doi:10.1002/(sici)1099-1166(200004)15:4<313::aid-gps115>3.0.co;2-m","doi":"https://doi.org/10.1002/(sici)1099-1166(200004)15:4<313::aid-gps115>3.0.co;2-m","is_oa":false,"landing_page_url":"https://doi.org/10.1002/(sici)1099-1166(200004)15:4<313::aid-gps115>3.0.co;2-m","pdf_url":null,"source":{"id":"https://openalex.org/S77085303","display_name":"International Journal of Geriatric Psychiatry","issn_l":"0885-6230","issn":["0885-6230","1099-1166"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Geriatric Psychiatry","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5084278083","display_name":"Vincent Camus","orcid":"https://orcid.org/0000-0002-6845-221X","observed_orcids":["https://orcid.org/0000-0002-6845-221X"]},"institutions":[{"id":"https://openalex.org/I2802229882","display_name":"Centre Hospitalier Universitaire Vaudois","ror":"https://ror.org/05a353079","country_code":"CH","type":"healthcare","lineage":["https://openalex.org/I2802229882"]}],"countries":["CH"],"is_corresponding":true,"raw_author_name":"Vincent Camus","raw_affiliation_strings":["Service Universitaire de Psycho G\u00e9riatrie, 1011 CHUV Lausanne, Switzerland. vincent.camus@inst.hospvd.ch","Service Universitaire de Psycho G\u00e9riatrie, 1011 CHUV Lausanne, Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Service Universitaire de Psycho G\u00e9riatrie, 1011 CHUV Lausanne, Switzerland. vincent.camus@inst.hospvd.ch","institution_ids":["https://openalex.org/I2802229882"]},{"raw_affiliation_string":"Service Universitaire de Psycho G\u00e9riatrie, 1011 CHUV Lausanne, Switzerland","institution_ids":["https://openalex.org/I2802229882"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003487508","display_name":"Bernard Burtin","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I85722119","display_name":"UCB Pharma (Belgium)","ror":"https://ror.org/01n029866","country_code":"BE","type":"company","lineage":["https://openalex.org/I85722119"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Bernard Burtin","raw_affiliation_strings":["UCB Pharma, Chemin du Foriest, 1420 Braine L'Alleud, Belgium"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"UCB Pharma, Chemin du Foriest, 1420 Braine L'Alleud, Belgium","institution_ids":["https://openalex.org/I85722119"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005874063","display_name":"Italo Sim\u00e9one","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I2802229882","display_name":"Centre Hospitalier Universitaire Vaudois","ror":"https://ror.org/05a353079","country_code":"CH","type":"healthcare","lineage":["https://openalex.org/I2802229882"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Italo Simeone","raw_affiliation_strings":["Service Universitaire de Psycho Ge\u0301riatrie, 1011 CHUV Lausanne, Switzerland","Service Universitaire de Psycho G\u00e9riatrie, 1011 CHUV Lausanne, Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Service Universitaire de Psycho Ge\u0301riatrie, 1011 CHUV Lausanne, Switzerland","institution_ids":["https://openalex.org/I2802229882"]},{"raw_affiliation_string":"Service Universitaire de Psycho G\u00e9riatrie, 1011 CHUV Lausanne, Switzerland","institution_ids":["https://openalex.org/I2802229882"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050797794","display_name":"Pierre Schwed","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I2802229882","display_name":"Centre Hospitalier Universitaire Vaudois","ror":"https://ror.org/05a353079","country_code":"CH","type":"healthcare","lineage":["https://openalex.org/I2802229882"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Pierre Schwed","raw_affiliation_strings":["Service Universitaire de Psycho Ge\u0301riatrie, 1011 CHUV Lausanne, Switzerland","Service Universitaire de Psycho G\u00e9riatrie, 1011 CHUV Lausanne, Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Service Universitaire de Psycho Ge\u0301riatrie, 1011 CHUV Lausanne, Switzerland","institution_ids":["https://openalex.org/I2802229882"]},{"raw_affiliation_string":"Service Universitaire de Psycho G\u00e9riatrie, 1011 CHUV Lausanne, Switzerland","institution_ids":["https://openalex.org/I2802229882"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010064337","display_name":"R\u00e9gis Gonthier","orcid":"https://orcid.org/0000-0002-6110-1636","observed_orcids":["https://orcid.org/0000-0002-6110-1636"]},"institutions":[{"id":"https://openalex.org/I4210157006","display_name":"Centre Hospitalier Universitaire de Saint-\u00c9tienne","ror":"https://ror.org/04pn6vp43","country_code":"FR","type":"healthcare","lineage":["https://openalex.org/I4210157006"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Regis Gonthier","raw_affiliation_strings":["Service de Ge\u0301rontologie Clinique, CHU 42 055 Saint Etienne, France","Service de G\u00e9rontologie Clinique, CHU 42 055 Saint Etienne, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Service de Ge\u0301rontologie Clinique, CHU 42 055 Saint Etienne, France","institution_ids":["https://openalex.org/I4210157006"]},{"raw_affiliation_string":"Service de G\u00e9rontologie Clinique, CHU 42 055 Saint Etienne, France","institution_ids":["https://openalex.org/I4210157006"]}]},{"author_position":"last","author":{"id":null,"display_name":"Gerard Dubos","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I2800555055","display_name":"Centre Hospitalier Universitaire de Grenoble","ror":"https://ror.org/041rhpw39","country_code":"FR","type":"healthcare","lineage":["https://openalex.org/I2800555055"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Gerard Dubos","raw_affiliation_strings":["Service de Ge\u0301riatrie, CHU 38 043 Grenoble, France","Service de G\u00e9riatrie, CHU 38 043 Grenoble, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Service de Ge\u0301riatrie, CHU 38 043 Grenoble, France","institution_ids":["https://openalex.org/I2800555055"]},{"raw_affiliation_string":"Service de G\u00e9riatrie, CHU 38 043 Grenoble, France","institution_ids":["https://openalex.org/I2800555055"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5084278083"],"corresponding_institution_ids":["https://openalex.org/I2802229882"],"apc_list":{"value":4600,"currency":"USD","value_usd":4600},"apc_paid":null,"fwci":1.873,"has_fulltext":false,"cited_by_count":57,"citation_normalized_percentile":{"value":0.84955257,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"15","issue":"4","first_page":"313","last_page":"316"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10867","display_name":"Intensive Care Unit Cognitive Disorders","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2706","display_name":"Critical Care and Intensive Care Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10867","display_name":"Intensive Care Unit Cognitive Disorders","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2706","display_name":"Critical Care and Intensive Care Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T12494","display_name":"Alcoholism and Thiamine Deficiency","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Neurology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10009","display_name":"Dementia and Cognitive Impairment Research","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2738","display_name":"Psychiatry and Mental health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/delirium","display_name":"delirium","score":0.9950000047683716},{"id":"https://openalex.org/keywords/hyperactive-delirium","display_name":"hyperactive delirium","score":0.8159999847412109},{"id":"https://openalex.org/keywords/hypoactive-delirium","display_name":"hypoactive delirium","score":1.0},{"id":"https://openalex.org/keywords/delirium-subtypes","display_name":"delirium subtypes","score":0.953000009059906},{"id":"https://openalex.org/keywords/symptom-clusters","display_name":"symptom clusters","score":0.6650000214576721},{"id":"https://openalex.org/keywords/older-adults","display_name":"older adults","score":0.4819999933242798},{"id":"https://openalex.org/keywords/agitation","display_name":"agitation","score":0.6899999976158142},{"id":"https://openalex.org/keywords/hallucinations","display_name":"hallucinations","score":0.7080000042915344},{"id":"https://openalex.org/keywords/delusions","display_name":"delusions","score":0.875}],"concepts":[{"id":"https://openalex.org/C2779753318","wikidata":"https://www.wikidata.org/wiki/Q160796","display_name":"Delirium","level":2,"score":0.911188006401062},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.68769371509552},{"id":"https://openalex.org/C137627325","wikidata":"https://www.wikidata.org/wiki/Q156318","display_name":"Etiology","level":2,"score":0.6004430055618286},{"id":"https://openalex.org/C165957694","wikidata":"https://www.wikidata.org/wiki/Q5421350","display_name":"Exploratory factor analysis","level":3,"score":0.5132052898406982},{"id":"https://openalex.org/C70410870","wikidata":"https://www.wikidata.org/wiki/Q199906","display_name":"Clinical psychology","level":1,"score":0.5110229253768921},{"id":"https://openalex.org/C2776910235","wikidata":"https://www.wikidata.org/wiki/Q18574","display_name":"Reactivity (psychology)","level":3,"score":0.46950244903564453},{"id":"https://openalex.org/C118552586","wikidata":"https://www.wikidata.org/wiki/Q7867","display_name":"Psychiatry","level":1,"score":0.41499608755111694},{"id":"https://openalex.org/C171606756","wikidata":"https://www.wikidata.org/wiki/Q506132","display_name":"Psychometrics","level":2,"score":0.3272532820701599},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.274263858795166},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.08870962262153625},{"id":"https://openalex.org/C204787440","wikidata":"https://www.wikidata.org/wiki/Q188504","display_name":"Alternative medicine","level":2,"score":0.0}],"mesh":[{"descriptor_ui":"D000368","descriptor_name":"Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000369","descriptor_name":"Aged, 80 and over","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001143","descriptor_name":"Arousal","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D003693","descriptor_name":"Delirium","qualifier_ui":"Q000145","qualifier_name":"classification","is_major_topic":true},{"descriptor_ui":"D003693","descriptor_name":"Delirium","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":false},{"descriptor_ui":"D003693","descriptor_name":"Delirium","qualifier_ui":"Q000523","qualifier_name":"psychology","is_major_topic":true},{"descriptor_ui":"D005163","descriptor_name":"Factor Analysis, Statistical","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011569","descriptor_name":"Psychiatric Status Rating Scales","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011595","descriptor_name":"Psychomotor Agitation","qualifier_ui":"Q000523","qualifier_name":"psychology","is_major_topic":false}],"locations_count":3,"locations":[{"id":"doi:10.1002/(sici)1099-1166(200004)15:4<313::aid-gps115>3.0.co;2-m","doi":"https://doi.org/10.1002/(sici)1099-1166(200004)15:4<313::aid-gps115>3.0.co;2-m","is_oa":false,"landing_page_url":"https://doi.org/10.1002/(sici)1099-1166(200004)15:4<313::aid-gps115>3.0.co;2-m","pdf_url":null,"source":{"id":"https://openalex.org/S77085303","display_name":"International Journal of Geriatric Psychiatry","issn_l":"0885-6230","issn":["0885-6230","1099-1166"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Geriatric Psychiatry","raw_type":"journal-article"},{"id":"doi:10.1002/(sici)1099-1166(200004)15:4<313::aid-gps115>3.3.co;2-d","doi":"https://doi.org/10.1002/(sici)1099-1166(200004)15:4<313::aid-gps115>3.3.co;2-d","is_oa":false,"landing_page_url":"https://doi.org/10.1002/(sici)1099-1166(200004)15:4<313::aid-gps115>3.3.co;2-d","pdf_url":null,"source":{"id":"https://openalex.org/S77085303","display_name":"International Journal of Geriatric Psychiatry","issn_l":"0885-6230","issn":["0885-6230","1099-1166"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Geriatric Psychiatry","raw_type":"journal-article"},{"id":"pmid:10767730","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/10767730","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International journal of geriatric psychiatry","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being","score":0.979200005531311}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1604355414","https://openalex.org/W1787316870","https://openalex.org/W1976090188","https://openalex.org/W2021121643","https://openalex.org/W2037186326","https://openalex.org/W2037615335","https://openalex.org/W2049368949","https://openalex.org/W2052696562","https://openalex.org/W2077776487","https://openalex.org/W2080366445","https://openalex.org/W2085774752","https://openalex.org/W2092169111","https://openalex.org/W2106145615","https://openalex.org/W2166619132","https://openalex.org/W2319576313","https://openalex.org/W3150156619","https://openalex.org/W4248146214"],"related_works":["https://openalex.org/W3153522623","https://openalex.org/W2037615335","https://openalex.org/W1539400338","https://openalex.org/W1985664398","https://openalex.org/W2145825049","https://openalex.org/W7100247325","https://openalex.org/W2123202511","https://openalex.org/W2610376894","https://openalex.org/W2277184424","https://openalex.org/W4297200928"],"abstract_inverted_index":{"OBJECTIVE:":[0],"The":[1],"aim":[2],"of":[3,37,58,62,66,77,97,102],"this":[4],"study":[5,91],"was":[6,43],"to":[7,47,93,112],"examine":[8,48],"whether":[9],"delirium":[10,26,38],"has":[11],"specific":[12],"clinical":[13],"subtypes.":[14],"METHOD:":[15],"One":[16],"hundred":[17],"and":[18,74,83,99,108],"eighty-three":[19],"elderly":[20],"subjects":[21],"meeting":[22],"DSM-IIIR":[23],"criteria":[24],"for":[25],"were":[27],"evaluated":[28],"using":[29],"a":[30],"19-item":[31],"symptom":[32],"check-list":[33],"assessing":[34],"different":[35,60],"dimensions":[36],"symptomatology.":[39],"Exploratory":[40],"factor":[41],"analysis":[42,54],"conducted":[44],"in":[45],"order":[46],"which":[49],"symptoms":[50,65,76],"clustered.":[51],"RESULTS:":[52],"Factor":[53],"confirmed":[55],"the":[56,95],"existence":[57],"two":[59],"clusters":[61],"symptoms:":[63],"first,":[64],"hyperalert/hyperactive":[67],"features":[68,79],"(agitation,":[69],"hyper-reactivity,":[70],"aggressiveness,":[71],"hallucinations,":[72],"delusions);":[73],"second,":[75],"hypoalert/hypoactive":[78],"(decreased":[80],"reactivity,":[81],"motor":[82],"speech":[84],"retardation,":[85],"facial":[86],"inexpressiveness).":[87],"CONCLUSION:":[88],"This":[89],"preliminary":[90],"seems":[92],"support":[94],"evidence":[96],"hypoactive":[98],"hyperactive":[100],"subtypes":[101],"delirium,":[103],"even":[104],"though":[105],"their":[106],"aetiology":[107],"prognostic":[109],"values":[110],"need":[111],"be":[113],"further":[114],"examined.":[115]},"counts_by_year":[{"year":2022,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":3}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}