{"id":"https://openalex.org/W3137633864","doi":"https://doi.org/10.1109/jbhi.2021.3068357","title":"A Novel Switching State-Space Model for Post-ICU Mortality Prediction and Survival Analysis","display_name":"A Novel Switching State-Space Model for Post-ICU Mortality Prediction and Survival Analysis","publication_year":2021,"publication_date":"2021-03-23","ids":{"openalex":"https://openalex.org/W3137633864","doi":"https://doi.org/10.1109/jbhi.2021.3068357","mag":"3137633864","pmid":"https://pubmed.ncbi.nlm.nih.gov/33755571"},"language":"en","primary_location":{"id":"doi:10.1109/jbhi.2021.3068357","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jbhi.2021.3068357","pdf_url":null,"source":{"id":"https://openalex.org/S2495854775","display_name":"IEEE Journal of Biomedical and Health Informatics","issn_l":"2168-2194","issn":["2168-2194","2168-2208"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Journal of Biomedical and Health Informatics","raw_type":"journal-article"},"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/A5103228928","display_name":"Yilin Yin","orcid":"https://orcid.org/0000-0002-6917-0847"},"institutions":[{"id":"https://openalex.org/I12912129","display_name":"Northeastern University","ror":"https://ror.org/04t5xt781","country_code":"US","type":"education","lineage":["https://openalex.org/I12912129"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yilin Yin","raw_affiliation_strings":["Department of Mechanical, and Industrial Engineering, Northeastern University, Boston, MA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mechanical, and Industrial Engineering, Northeastern University, Boston, MA, USA","institution_ids":["https://openalex.org/I12912129"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5013227742","display_name":"Chun-An Chou","orcid":"https://orcid.org/0000-0001-5806-2093"},"institutions":[{"id":"https://openalex.org/I12912129","display_name":"Northeastern University","ror":"https://ror.org/04t5xt781","country_code":"US","type":"education","lineage":["https://openalex.org/I12912129"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Chun-An Chou","raw_affiliation_strings":["Department of Mechanical, and Industrial Engineering, Northeastern University, Boston, MA, USA"],"raw_orcid":"https://orcid.org/0000-0001-5806-2093","affiliations":[{"raw_affiliation_string":"Department of Mechanical, and Industrial Engineering, Northeastern University, Boston, MA, USA","institution_ids":["https://openalex.org/I12912129"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I12912129"],"apc_list":null,"apc_paid":null,"fwci":1.3648,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.83897993,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"25","issue":"9","first_page":"3587","last_page":"3595"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13702","display_name":"Machine Learning in Healthcare","score":0.9930999875068665,"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":0.9930999875068665,"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/T10144","display_name":"Blood Pressure and Hypertension Studies","score":0.9718000292778015,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular 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/T10218","display_name":"Sepsis Diagnosis and Treatment","score":0.9717000126838684,"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/computer-science","display_name":"Computer science","score":0.5878629088401794},{"id":"https://openalex.org/keywords/survival-analysis","display_name":"Survival analysis","score":0.4725501239299774},{"id":"https://openalex.org/keywords/state-space","display_name":"State space","score":0.46816182136535645},{"id":"https://openalex.org/keywords/state","display_name":"State (computer science)","score":0.4440048635005951},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3277439475059509},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.2829229235649109},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.20365631580352783},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.17276707291603088}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5878629088401794},{"id":"https://openalex.org/C10515644","wikidata":"https://www.wikidata.org/wiki/Q543310","display_name":"Survival analysis","level":2,"score":0.4725501239299774},{"id":"https://openalex.org/C72434380","wikidata":"https://www.wikidata.org/wiki/Q230930","display_name":"State space","level":2,"score":0.46816182136535645},{"id":"https://openalex.org/C48103436","wikidata":"https://www.wikidata.org/wiki/Q599031","display_name":"State (computer science)","level":2,"score":0.4440048635005951},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3277439475059509},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.2829229235649109},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.20365631580352783},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.17276707291603088}],"mesh":[{"descriptor_ui":"D006801","descriptor_name":"Humans","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":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007362","descriptor_name":"Intensive Care Units","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D007362","descriptor_name":"Intensive Care Units","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D007362","descriptor_name":"Intensive Care Units","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D011379","descriptor_name":"Prognosis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011379","descriptor_name":"Prognosis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011379","descriptor_name":"Prognosis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012307","descriptor_name":"Risk Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012307","descriptor_name":"Risk Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012307","descriptor_name":"Risk Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016019","descriptor_name":"Survival Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016019","descriptor_name":"Survival Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016019","descriptor_name":"Survival Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D017052","descriptor_name":"Hospital Mortality","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D017052","descriptor_name":"Hospital Mortality","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D017052","descriptor_name":"Hospital Mortality","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D018561","descriptor_name":"Space Simulation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D018561","descriptor_name":"Space Simulation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D018561","descriptor_name":"Space Simulation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D055986","descriptor_name":"Vital Signs","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D055986","descriptor_name":"Vital Signs","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D055986","descriptor_name":"Vital Signs","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.1109/jbhi.2021.3068357","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jbhi.2021.3068357","pdf_url":null,"source":{"id":"https://openalex.org/S2495854775","display_name":"IEEE Journal of Biomedical and Health Informatics","issn_l":"2168-2194","issn":["2168-2194","2168-2208"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Journal of Biomedical and Health Informatics","raw_type":"journal-article"},{"id":"pmid:33755571","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/33755571","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,"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":"IEEE journal of biomedical and health informatics","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8799999952316284,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320322429","display_name":"Northeastern University","ror":"https://ror.org/03awzbc87"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":53,"referenced_works":["https://openalex.org/W1522684182","https://openalex.org/W1524312738","https://openalex.org/W1981221121","https://openalex.org/W1984629695","https://openalex.org/W1987971958","https://openalex.org/W1990376219","https://openalex.org/W1991133427","https://openalex.org/W1993046026","https://openalex.org/W1996463033","https://openalex.org/W2005496574","https://openalex.org/W2025118628","https://openalex.org/W2033925475","https://openalex.org/W2036203027","https://openalex.org/W2046788142","https://openalex.org/W2056264597","https://openalex.org/W2056884786","https://openalex.org/W2063906775","https://openalex.org/W2067747050","https://openalex.org/W2086247090","https://openalex.org/W2092762545","https://openalex.org/W2105693755","https://openalex.org/W2112197391","https://openalex.org/W2114690521","https://openalex.org/W2115108310","https://openalex.org/W2120156715","https://openalex.org/W2121111947","https://openalex.org/W2128349740","https://openalex.org/W2146255968","https://openalex.org/W2162800060","https://openalex.org/W2277786047","https://openalex.org/W2285597872","https://openalex.org/W2323212168","https://openalex.org/W2559839809","https://openalex.org/W2604437713","https://openalex.org/W2718421337","https://openalex.org/W2750557731","https://openalex.org/W2787810682","https://openalex.org/W2789811793","https://openalex.org/W2796532119","https://openalex.org/W2810080255","https://openalex.org/W2913062164","https://openalex.org/W2963532813","https://openalex.org/W2980730233","https://openalex.org/W3101973032","https://openalex.org/W4247943214","https://openalex.org/W6630988046","https://openalex.org/W6677175431","https://openalex.org/W6735671243","https://openalex.org/W6740105937","https://openalex.org/W6745408861","https://openalex.org/W6748617090","https://openalex.org/W6752823398","https://openalex.org/W6785528530"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052"],"abstract_inverted_index":{"Predicting":[0],"mortality":[1,35,74,163],"risk":[2,39,75,118],"in":[3,110,120],"patients":[4],"accurately":[5],"during":[6,76,89],"and":[7,34,46,65,171],"after":[8,127],"intensive":[9],"care":[10,21],"unit":[11],"(ICU)":[12],"stay":[13,91,115],"is":[14,51,92],"an":[15],"essential":[16],"component":[17],"for":[18,31,175],"supporting":[19],"critical":[20],"decision-making.":[22],"To":[23],"date,":[24],"various":[25],"scoring":[26,173],"systems":[27,174],"have":[28],"been":[29],"designed":[30],"survival":[32,141],"analysis":[33],"prediction":[36,164],"by":[37,105],"providing":[38],"scores":[40,56,154],"based":[41],"on":[42],"patient's":[43,69,107],"vital":[44],"signs":[45],"lab":[47],"results.":[48],"However,":[49],"it":[50],"challenging":[52],"using":[53,149],"these":[54],"universal":[55],"to":[57,66,72,116,134,166],"represent":[58],"the":[59,84,117,144,159,176],"overall":[60],"severity":[61,85],"level":[62,86],"of":[63,83,113,162],"illness":[64],"look":[67],"into":[68,143],"deterioration":[70],"leading":[71],"high":[73],"ICU":[77,90,114,128],"stay.":[78],"Thus,":[79],"a":[80,100,121,136],"close":[81],"monitoring":[82],"over":[87],"time":[88,123],"more":[93],"preferable.":[94],"In":[95],"this":[96],"study,":[97],"we":[98,132],"design":[99],"new":[101],"switching":[102],"state-space":[103],"model":[104,148],"correlating":[106],"condition":[108],"dynamics":[109],"last":[111],"hours":[112],"probabilities":[119],"short":[122],"period":[124],"(1-6":[125],"days)":[126],"discharge.":[129],"More":[130],"specifically,":[131],"propose":[133],"integrate":[135],"cumulative":[137],"hazard":[138],"function":[139],"estimating":[140],"probability":[142],"autoregressive":[145],"hidden":[146],"Markov":[147],"time-interval":[150],"sequential":[151],"SAPS":[152,167,169],"II":[153,179],"as":[155],"features.":[156],"We":[157],"demonstrate":[158],"significant":[160],"improvement":[161],"comparing":[165],"I,":[168],"II,":[170],"SOFA":[172],"PhysioNet":[177],"MIMIC":[178],"Challenge":[180],"data.":[181]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}