{"id":"https://openalex.org/W4308216141","doi":"https://doi.org/10.1109/bhi56158.2022.9926889","title":"A hybrid approach based on dynamic trajectories to predict mortality in COVID-19 patients upon steroids administration","display_name":"A hybrid approach based on dynamic trajectories to predict mortality in COVID-19 patients upon steroids administration","publication_year":2022,"publication_date":"2022-09-27","ids":{"openalex":"https://openalex.org/W4308216141","doi":"https://doi.org/10.1109/bhi56158.2022.9926889"},"language":"en","primary_location":{"id":"doi:10.1109/bhi56158.2022.9926889","is_oa":false,"landing_page_url":"https://doi.org/10.1109/bhi56158.2022.9926889","pdf_url":null,"source":{"id":"https://openalex.org/S4363608521","display_name":"2022 IEEE-EMBS International Conference on Biomedical and Health Informatics (BHI)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2022 IEEE-EMBS International Conference on Biomedical and Health Informatics (BHI)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"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/A5074234790","display_name":"Vasileios C. Pezoulas","orcid":"https://orcid.org/0000-0002-1872-693X"},"institutions":[{"id":"https://openalex.org/I194019607","display_name":"University of Ioannina","ror":"https://ror.org/01qg3j183","country_code":"GR","type":"education","lineage":["https://openalex.org/I194019607"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Vasileios C. Pezoulas","raw_affiliation_strings":["University of Ioannina,Dept. of Materials Science and Engineering,Ioannina,Greece,GR45110"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Ioannina,Dept. of Materials Science and Engineering,Ioannina,Greece,GR45110","institution_ids":["https://openalex.org/I194019607"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102496307","display_name":"Eygenia Mylona","orcid":null},"institutions":[{"id":"https://openalex.org/I194019607","display_name":"University of Ioannina","ror":"https://ror.org/01qg3j183","country_code":"GR","type":"education","lineage":["https://openalex.org/I194019607"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Eygenia Mylona","raw_affiliation_strings":["University of Ioannina,Dept. of Materials Science and Engineering,Ioannina,Greece,GR45110"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Ioannina,Dept. of Materials Science and Engineering,Ioannina,Greece,GR45110","institution_ids":["https://openalex.org/I194019607"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052002130","display_name":"Costas Papaloukas","orcid":"https://orcid.org/0000-0002-6736-5536"},"institutions":[{"id":"https://openalex.org/I194019607","display_name":"University of Ioannina","ror":"https://ror.org/01qg3j183","country_code":"GR","type":"education","lineage":["https://openalex.org/I194019607"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Costas Papaloukas","raw_affiliation_strings":["University of Ioannina,Dept. of Biological Applications and Technology,Ioannina,Greece","Dept. of Biological Applications and Technology, University of Ioannina, Ioannina, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Ioannina,Dept. of Biological Applications and Technology,Ioannina,Greece","institution_ids":["https://openalex.org/I194019607"]},{"raw_affiliation_string":"Dept. of Biological Applications and Technology, University of Ioannina, Ioannina, Greece","institution_ids":["https://openalex.org/I194019607"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015528037","display_name":"Angelos Liontos","orcid":"https://orcid.org/0000-0002-0361-0846"},"institutions":[{"id":"https://openalex.org/I194019607","display_name":"University of Ioannina","ror":"https://ror.org/01qg3j183","country_code":"GR","type":"education","lineage":["https://openalex.org/I194019607"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Angelos Liontos","raw_affiliation_strings":["School of Medicine, University of Ioannina,Dept. of Internal Medicine,Ioannina,Greece","Dept. of Internal Medicine, School of Medicine, University of Ioannina, Ioannina, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Medicine, University of Ioannina,Dept. of Internal Medicine,Ioannina,Greece","institution_ids":["https://openalex.org/I194019607"]},{"raw_affiliation_string":"Dept. of Internal Medicine, School of Medicine, University of Ioannina, Ioannina, Greece","institution_ids":["https://openalex.org/I194019607"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080267739","display_name":"Dimitrios Biros","orcid":"https://orcid.org/0000-0002-6131-5634"},"institutions":[{"id":"https://openalex.org/I194019607","display_name":"University of Ioannina","ror":"https://ror.org/01qg3j183","country_code":"GR","type":"education","lineage":["https://openalex.org/I194019607"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Dimitrios I. Biros","raw_affiliation_strings":["School of Medicine, University of Ioannina,Dept. of Internal Medicine,Ioannina,Greece","Dept. of Internal Medicine, School of Medicine, University of Ioannina, Ioannina, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Medicine, University of Ioannina,Dept. of Internal Medicine,Ioannina,Greece","institution_ids":["https://openalex.org/I194019607"]},{"raw_affiliation_string":"Dept. of Internal Medicine, School of Medicine, University of Ioannina, Ioannina, Greece","institution_ids":["https://openalex.org/I194019607"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087296552","display_name":"Orestis Milionis","orcid":"https://orcid.org/0000-0002-7292-761X"},"institutions":[{"id":"https://openalex.org/I194019607","display_name":"University of Ioannina","ror":"https://ror.org/01qg3j183","country_code":"GR","type":"education","lineage":["https://openalex.org/I194019607"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Orestis I. Milionis","raw_affiliation_strings":["School of Medicine, University of Ioannina,Dept. of Internal Medicine,Ioannina,Greece","Dept. of Internal Medicine, School of Medicine, University of Ioannina, Ioannina, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Medicine, University of Ioannina,Dept. of Internal Medicine,Ioannina,Greece","institution_ids":["https://openalex.org/I194019607"]},{"raw_affiliation_string":"Dept. of Internal Medicine, School of Medicine, University of Ioannina, Ioannina, Greece","institution_ids":["https://openalex.org/I194019607"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048191108","display_name":"Christos Kyriakopoulos","orcid":"https://orcid.org/0000-0001-8806-2561"},"institutions":[{"id":"https://openalex.org/I194019607","display_name":"University of Ioannina","ror":"https://ror.org/01qg3j183","country_code":"GR","type":"education","lineage":["https://openalex.org/I194019607"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Chris Kyriakopoulos","raw_affiliation_strings":["School of Medicine, University of Ioannina,Dept. of Respiratory Medicine,Ioannina,Greece","Dept. of Respiratory Medicine, School of Medicine, University of Ioannina, Ioannina, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Medicine, University of Ioannina,Dept. of Respiratory Medicine,Ioannina,Greece","institution_ids":["https://openalex.org/I194019607"]},{"raw_affiliation_string":"Dept. of Respiratory Medicine, School of Medicine, University of Ioannina, Ioannina, Greece","institution_ids":["https://openalex.org/I194019607"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064085023","display_name":"\u039aonstantinos \u039aostikas","orcid":"https://orcid.org/0000-0003-0774-3942"},"institutions":[{"id":"https://openalex.org/I194019607","display_name":"University of Ioannina","ror":"https://ror.org/01qg3j183","country_code":"GR","type":"education","lineage":["https://openalex.org/I194019607"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Kostantinos Kostikas","raw_affiliation_strings":["School of Medicine, University of Ioannina,Dept. of Respiratory Medicine,Ioannina,Greece","Dept. of Respiratory Medicine, School of Medicine, University of Ioannina, Ioannina, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Medicine, University of Ioannina,Dept. of Respiratory Medicine,Ioannina,Greece","institution_ids":["https://openalex.org/I194019607"]},{"raw_affiliation_string":"Dept. of Respiratory Medicine, School of Medicine, University of Ioannina, Ioannina, Greece","institution_ids":["https://openalex.org/I194019607"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056134447","display_name":"Haralampos Milionis","orcid":"https://orcid.org/0000-0003-3958-2266"},"institutions":[{"id":"https://openalex.org/I194019607","display_name":"University of Ioannina","ror":"https://ror.org/01qg3j183","country_code":"GR","type":"education","lineage":["https://openalex.org/I194019607"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Haralampos Milionis","raw_affiliation_strings":["School of Medicine, University of Ioannina,Dept. of Internal Medicine,Ioannina,Greece","Dept. of Internal Medicine, School of Medicine, University of Ioannina, Ioannina, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Medicine, University of Ioannina,Dept. of Internal Medicine,Ioannina,Greece","institution_ids":["https://openalex.org/I194019607"]},{"raw_affiliation_string":"Dept. of Internal Medicine, School of Medicine, University of Ioannina, Ioannina, Greece","institution_ids":["https://openalex.org/I194019607"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5057894101","display_name":"Dimitrios I. Fotiadis","orcid":"https://orcid.org/0000-0002-5987-9350"},"institutions":[{"id":"https://openalex.org/I194019607","display_name":"University of Ioannina","ror":"https://ror.org/01qg3j183","country_code":"GR","type":"education","lineage":["https://openalex.org/I194019607"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Dimitrios I. Fotiadis","raw_affiliation_strings":["University of Ioannina,Dept. of Materials Science and Engineering,Ioannina,Greece,GR45110"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Ioannina,Dept. of Materials Science and Engineering,Ioannina,Greece,GR45110","institution_ids":["https://openalex.org/I194019607"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":10,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.12101776,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"01","last_page":"04"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13702","display_name":"Machine Learning in Healthcare","score":0.9914000034332275,"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"}},"topics":[{"id":"https://openalex.org/T13702","display_name":"Machine Learning in Healthcare","score":0.9914000034332275,"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"}},{"id":"https://openalex.org/T11775","display_name":"COVID-19 diagnosis using AI","score":0.9656999707221985,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"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/T10218","display_name":"Sepsis Diagnosis and Treatment","score":0.958299994468689,"subfield":{"id":"https://openalex.org/subfields/2713","display_name":"Epidemiology"},"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/coronavirus-disease-2019","display_name":"Coronavirus disease 2019 (COVID-19)","score":0.7099061012268066},{"id":"https://openalex.org/keywords/trajectory","display_name":"Trajectory","score":0.5329877734184265},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.4605405032634735},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.44850388169288635},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.4256740212440491},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.42236876487731934},{"id":"https://openalex.org/keywords/internal-medicine","display_name":"Internal medicine","score":0.2563295364379883},{"id":"https://openalex.org/keywords/disease","display_name":"Disease","score":0.09902667999267578}],"concepts":[{"id":"https://openalex.org/C3008058167","wikidata":"https://www.wikidata.org/wiki/Q84263196","display_name":"Coronavirus disease 2019 (COVID-19)","level":4,"score":0.7099061012268066},{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.5329877734184265},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.4605405032634735},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.44850388169288635},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.4256740212440491},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.42236876487731934},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.2563295364379883},{"id":"https://openalex.org/C2779134260","wikidata":"https://www.wikidata.org/wiki/Q12136","display_name":"Disease","level":2,"score":0.09902667999267578},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C524204448","wikidata":"https://www.wikidata.org/wiki/Q788926","display_name":"Infectious disease (medical specialty)","level":3,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/bhi56158.2022.9926889","is_oa":false,"landing_page_url":"https://doi.org/10.1109/bhi56158.2022.9926889","pdf_url":null,"source":{"id":"https://openalex.org/S4363608521","display_name":"2022 IEEE-EMBS International Conference on Biomedical and Health Informatics (BHI)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2022 IEEE-EMBS International Conference on Biomedical and Health Informatics (BHI)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3","score":0.8700000047683716}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W1480271113","https://openalex.org/W1775823180","https://openalex.org/W1976364950","https://openalex.org/W2121236536","https://openalex.org/W2295598076","https://openalex.org/W2565637284","https://openalex.org/W2769689735","https://openalex.org/W2921039670","https://openalex.org/W3024403805","https://openalex.org/W3024899790","https://openalex.org/W3031876060","https://openalex.org/W3033306974","https://openalex.org/W3037519229","https://openalex.org/W3047224768","https://openalex.org/W3123270157","https://openalex.org/W3126570147","https://openalex.org/W3137264488","https://openalex.org/W3177906579","https://openalex.org/W4200157591","https://openalex.org/W4221073688","https://openalex.org/W4244876068","https://openalex.org/W6765942760"],"related_works":["https://openalex.org/W2961085424","https://openalex.org/W4306674287","https://openalex.org/W3046775127","https://openalex.org/W3107602296","https://openalex.org/W4394896187","https://openalex.org/W3170094116","https://openalex.org/W4386462264","https://openalex.org/W4364306694","https://openalex.org/W4312192474","https://openalex.org/W4283697347"],"abstract_inverted_index":{"Since":[0],"the":[1,16,39,45,83,99,113,128,135,153,170,180,191,198],"World":[2],"Health":[3],"Organization":[4],"(WHO)":[5],"has":[6],"declared":[7],"Artificial":[8],"Intelligence":[9],"(AI)":[10],"as":[11,179],"a":[12,66],"powerful":[13],"tool":[14],"in":[15,142,152,185,197],"fight":[17],"against":[18],"COVID-19,":[19],"multiple":[20],"studies":[21],"have":[22,43,56],"been":[23],"launched":[24],"aiming":[25],"to":[26,70,81,121],"shed":[27],"light":[28],"into":[29,95],"risk":[30],"factors":[31],"for":[32,139,183],"ICU":[33],"admission":[34],"and":[35,117,149,156,161],"mortality.":[36,131],"None":[37],"of":[38,48,85,101,130,137,163,172],"existing":[40],"studies,":[41],"however,":[42],"captured":[44],"dynamic":[46,103,119,199],"trajectories":[47,84,120,138],"hospitalized":[49],"COVID-19":[50],"patients":[51,86,91,143,186],"who":[52,87,144,187],"receive":[53,145,188],"steroids":[54,146],"nor":[55],"explored":[57],"trajectory-based":[58],"mortality":[59,141,184],"indicators.":[60],"In":[61],"this":[62,72],"work,":[63],"we":[64],"present":[65],"novel,":[67],"hybrid":[68],"approach":[69],"address":[71],"need.":[73],"Latent":[74],"Growth":[75],"Mixture":[76],"Modelling":[77],"(LGMM)":[78],"was":[79],"used":[80],"analyze":[82],"received":[88],"steroids.":[89],"The":[90,159],"were":[92,177],"then":[93],"grouped":[94],"clusters":[96],"based":[97],"on":[98,112],"similarity":[100],"their":[102,124],"trajectories.":[104,200],"State-of-the":[105],"art":[106],"machine":[107],"learning":[108],"classifiers":[109],"are":[110],"trained":[111],"original":[114],"dataset":[115],"with":[116,169],"without":[118],"assess":[122],"whether":[123],"inclusion":[125],"can":[126],"enhance":[127],"prediction":[129],"Our":[132],"results":[133],"highlight":[134],"importance":[136],"predicting":[140],"yielding":[147],"4%":[148],"5%":[150],"increase":[151],"sensitivity":[154],"(0.84)":[155],"specificity":[157],"(0.85).":[158],"FiO2":[160],"percentage":[162,171],"neutrophils":[164],"at":[165,174],"day":[166,175],"5,":[167],"along":[168],"lymphocytes":[173],"7,":[176],"identified":[178],"main":[181],"causes":[182],"steroids,":[189],"where":[190],"SatO2":[192],"levels":[193],"showed":[194],"significant":[195],"alterations":[196]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
