{"id":"https://openalex.org/W7117679184","doi":"https://doi.org/10.1145/3761712.3761735","title":"Machine learning techniques are compared to evaluate their prediction performance for the length of stay (LOS) in patients undergoing appendicitis surgery","display_name":"Machine learning techniques are compared to evaluate their prediction performance for the length of stay (LOS) in patients undergoing appendicitis surgery","publication_year":2025,"publication_date":"2025-05-16","ids":{"openalex":"https://openalex.org/W7117679184","doi":"https://doi.org/10.1145/3761712.3761735"},"language":null,"primary_location":{"id":"doi:10.1145/3761712.3761735","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3761712.3761735","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2025 9th International Conference on Medical and Health Informatics","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1145/3761712.3761735","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5090978203","display_name":"Andrea Fidecicchi","orcid":"https://orcid.org/0000-0002-7980-5551"},"institutions":[{"id":"https://openalex.org/I4210117450","display_name":"Federico II University Hospital","ror":"https://ror.org/02jr6tp70","country_code":"IT","type":"healthcare","lineage":["https://openalex.org/I4210117450","https://openalex.org/I71267560"]},{"id":"https://openalex.org/I71267560","display_name":"University of Naples Federico II","ror":"https://ror.org/05290cv24","country_code":"IT","type":"education","lineage":["https://openalex.org/I71267560"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Andrea Fidecicchi","raw_affiliation_strings":["Dept. of Public Health, University of Naples Federico II Department of Public Health, Naples, Italy"],"raw_orcid":"https://orcid.org/0000-0002-7980-5551","affiliations":[{"raw_affiliation_string":"Dept. of Public Health, University of Naples Federico II Department of Public Health, Naples, Italy","institution_ids":["https://openalex.org/I4210117450","https://openalex.org/I71267560"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060604648","display_name":"Ida Santalucia","orcid":null},"institutions":[{"id":"https://openalex.org/I25217355","display_name":"University of Pavia","ror":"https://ror.org/00s6t1f81","country_code":"IT","type":"education","lineage":["https://openalex.org/I25217355"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Ida Santalucia","raw_affiliation_strings":["Department of Public Health, University of Pavia Department of Public Health, Experimental and Forensic Medicine,, Pavia, Italy"],"raw_orcid":"https://orcid.org/0009-0009-2193-0366","affiliations":[{"raw_affiliation_string":"Department of Public Health, University of Pavia Department of Public Health, Experimental and Forensic Medicine,, Pavia, Italy","institution_ids":["https://openalex.org/I25217355"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054981041","display_name":"M Triassi","orcid":null},"institutions":[{"id":"https://openalex.org/I4210117450","display_name":"Federico II University Hospital","ror":"https://ror.org/02jr6tp70","country_code":"IT","type":"healthcare","lineage":["https://openalex.org/I4210117450","https://openalex.org/I71267560"]},{"id":"https://openalex.org/I71267560","display_name":"University of Naples Federico II","ror":"https://ror.org/05290cv24","country_code":"IT","type":"education","lineage":["https://openalex.org/I71267560"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Maria Triassi","raw_affiliation_strings":["Dept. of Public Health, University of Naples Federico II - Department of Public Health, Naples, Italy","Interdepartmental Center for Research in Healthcare Management and Innovation in Healthcare (CIRMIS), University of Naples Federico II, Naples, Italy"],"raw_orcid":"https://orcid.org/0000-0002-9420-9571","affiliations":[{"raw_affiliation_string":"Dept. of Public Health, University of Naples Federico II - Department of Public Health, Naples, Italy","institution_ids":["https://openalex.org/I4210117450","https://openalex.org/I71267560"]},{"raw_affiliation_string":"Interdepartmental Center for Research in Healthcare Management and Innovation in Healthcare (CIRMIS), University of Naples Federico II, Naples, Italy","institution_ids":["https://openalex.org/I71267560"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5030272556","display_name":"Giovanni Improta","orcid":"https://orcid.org/0000-0002-9485-1687"},"institutions":[{"id":"https://openalex.org/I4210117450","display_name":"Federico II University Hospital","ror":"https://ror.org/02jr6tp70","country_code":"IT","type":"healthcare","lineage":["https://openalex.org/I4210117450","https://openalex.org/I71267560"]},{"id":"https://openalex.org/I71267560","display_name":"University of Naples Federico II","ror":"https://ror.org/05290cv24","country_code":"IT","type":"education","lineage":["https://openalex.org/I71267560"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Giovanni Improta","raw_affiliation_strings":["Dept. of Public Health, University of Naples Federico II Department of Public Health, Naples, Italy","Interdepartmental Center for Research in Healthcare Management and Innovation in Healthcare (CIRMIS), University of Naples Federico II, Naples, Italy"],"raw_orcid":"https://orcid.org/0000-0002-9485-1687","affiliations":[{"raw_affiliation_string":"Dept. of Public Health, University of Naples Federico II Department of Public Health, Naples, Italy","institution_ids":["https://openalex.org/I4210117450","https://openalex.org/I71267560"]},{"raw_affiliation_string":"Interdepartmental Center for Research in Healthcare Management and Innovation in Healthcare (CIRMIS), University of Naples Federico II, Naples, Italy","institution_ids":["https://openalex.org/I71267560"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"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":0.71514515,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"29","last_page":"34"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11473","display_name":"Appendicitis Diagnosis and Management","score":0.7070000171661377,"subfield":{"id":"https://openalex.org/subfields/2711","display_name":"Emergency 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/T11473","display_name":"Appendicitis Diagnosis and Management","score":0.7070000171661377,"subfield":{"id":"https://openalex.org/subfields/2711","display_name":"Emergency 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/T11930","display_name":"Cardiac, Anesthesia and Surgical Outcomes","score":0.039799999445676804,"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/T11918","display_name":"Forecasting Techniques and Applications","score":0.02419999986886978,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/appendicitis","display_name":"Appendicitis","score":0.5295000076293945},{"id":"https://openalex.org/keywords/predictive-modelling","display_name":"Predictive modelling","score":0.3783999979496002},{"id":"https://openalex.org/keywords/artificial-neural-network","display_name":"Artificial neural network","score":0.3684000074863434},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.34119999408721924},{"id":"https://openalex.org/keywords/diagnostic-accuracy","display_name":"Diagnostic accuracy","score":0.3192000091075897},{"id":"https://openalex.org/keywords/health-care","display_name":"Health care","score":0.31529998779296875}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.7552000284194946},{"id":"https://openalex.org/C2780016130","wikidata":"https://www.wikidata.org/wiki/Q121041","display_name":"Appendicitis","level":2,"score":0.5295000076293945},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.4569000005722046},{"id":"https://openalex.org/C45804977","wikidata":"https://www.wikidata.org/wiki/Q7239673","display_name":"Predictive modelling","level":2,"score":0.3783999979496002},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.3684000074863434},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.36809998750686646},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3619999885559082},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.34119999408721924},{"id":"https://openalex.org/C3020132585","wikidata":"https://www.wikidata.org/wiki/Q2671652","display_name":"Diagnostic accuracy","level":2,"score":0.3192000091075897},{"id":"https://openalex.org/C160735492","wikidata":"https://www.wikidata.org/wiki/Q31207","display_name":"Health care","level":2,"score":0.31529998779296875},{"id":"https://openalex.org/C194828623","wikidata":"https://www.wikidata.org/wiki/Q2861470","display_name":"Emergency medicine","level":1,"score":0.2973000109195709},{"id":"https://openalex.org/C3019871722","wikidata":"https://www.wikidata.org/wiki/Q718944","display_name":"Hospital admission","level":2,"score":0.2904999852180481},{"id":"https://openalex.org/C206345919","wikidata":"https://www.wikidata.org/wiki/Q20380951","display_name":"Resource (disambiguation)","level":2,"score":0.2840999960899353},{"id":"https://openalex.org/C198433322","wikidata":"https://www.wikidata.org/wiki/Q3910099","display_name":"Predictive value of tests","level":2,"score":0.2791999876499176},{"id":"https://openalex.org/C2988170871","wikidata":"https://www.wikidata.org/wiki/Q11000047","display_name":"Healthcare system","level":3,"score":0.273499995470047},{"id":"https://openalex.org/C61434518","wikidata":"https://www.wikidata.org/wiki/Q932510","display_name":"General surgery","level":1,"score":0.2515999972820282},{"id":"https://openalex.org/C2779473830","wikidata":"https://www.wikidata.org/wiki/Q1540899","display_name":"MEDLINE","level":2,"score":0.2513999938964844},{"id":"https://openalex.org/C3017409249","wikidata":"https://www.wikidata.org/wiki/Q23582796","display_name":"Resource use","level":2,"score":0.2500999867916107}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3761712.3761735","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3761712.3761735","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2025 9th International Conference on Medical and Health Informatics","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/3761712.3761735","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3761712.3761735","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2025 9th International Conference on Medical and Health Informatics","raw_type":"proceedings-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/8","display_name":"Decent work and economic growth","score":0.5690125823020935}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W90010090","https://openalex.org/W2031558991","https://openalex.org/W2083921636","https://openalex.org/W2085989484","https://openalex.org/W2086445499","https://openalex.org/W2158524674","https://openalex.org/W2159433840","https://openalex.org/W2288810840","https://openalex.org/W2319559073","https://openalex.org/W2323936761","https://openalex.org/W2926970152","https://openalex.org/W3029994849","https://openalex.org/W3088685291","https://openalex.org/W3200174327","https://openalex.org/W4236924871","https://openalex.org/W4246296950","https://openalex.org/W4291465141","https://openalex.org/W4402584353","https://openalex.org/W4406616367"],"related_works":[],"abstract_inverted_index":{"Appendectomy":[0],"is":[1,21,38],"a":[2,22],"common":[3],"surgical":[4],"procedure":[5],"that":[6],"requires":[7],"hospitalization,":[8],"influencing":[9],"both":[10],"resource":[11],"management":[12],"and":[13,28,44,79,95],"healthcare":[14],"costs.":[15],"The":[16,82],"length":[17],"of":[18,75,88],"stay":[19],"(LOS)":[20],"key":[23],"parameter":[24],"for":[25,40,54],"monitoring":[26],"patients":[27,55],"evaluating":[29],"hospital":[30],"efficiency.":[31],"Identifying":[32],"strategies":[33],"to":[34,50],"minimize":[35],"hospitalization":[36],"time":[37],"essential":[39],"optimizing":[41],"bed":[42],"occupancy":[43],"reducing":[45],"expenses.":[46],"This":[47],"study":[48],"aimed":[49],"predict":[51],"the":[52,59,73,85],"LOS":[53],"undergoing":[56],"appendectomy":[57],"at":[58],"San":[60],"Giovanni":[61],"di":[62],"Dio":[63],"e":[64],"Ruggi":[65],"d'Aragona":[66],"Hospital":[67],"in":[68],"Salerno,":[69],"Italy,":[70],"by":[71],"comparing":[72],"performance":[74,97],"machine":[76],"learning":[77],"models":[78],"neural":[80,89],"networks.":[81],"findings":[83],"highlight":[84],"superior":[86],"accuracy":[87],"networks,":[90],"assessed":[91],"through":[92],"error":[93],"analysis":[94],"predictive":[96],"metrics.":[98]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-12-31T00:00:00"}