{"id":"https://openalex.org/W4243973712","doi":"https://doi.org/10.21203/rs.3.rs-556726/v1","title":"A Combined Prediction Model for Biliary Tract Cancer using the Prognostic Nutritional Index and Pathological Findings: A Single-center Retrospective Study","display_name":"A Combined Prediction Model for Biliary Tract Cancer using the Prognostic Nutritional Index and Pathological Findings: A Single-center Retrospective Study","publication_year":2021,"publication_date":"2021-06-01","ids":{"openalex":"https://openalex.org/W4243973712","doi":"https://doi.org/10.21203/rs.3.rs-556726/v1"},"language":"en","primary_location":{"id":"doi:10.21203/rs.3.rs-556726/v1","doi":"https://doi.org/10.21203/rs.3.rs-556726/v1","is_oa":true,"landing_page_url":"https://doi.org/10.21203/rs.3.rs-556726/v1","pdf_url":"https://www.researchsquare.com/article/rs-556726/latest.pdf","source":{"id":"https://openalex.org/S4306525896","display_name":"Research Square","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Research Square","raw_type":"posted-content"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://www.researchsquare.com/article/rs-556726/latest.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Koji Kitada","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405284326","display_name":"National Hospital Organization Fukuyama Medical Center","ror":"https://ror.org/03bpey129","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137409","https://openalex.org/I4405284326"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Koji Kitada","raw_affiliation_strings":["National Hospital Organization Fukuyama Medical Center","National Hospital Organization Fukuyama Medical Center Hideaki Miyasou National Hospital Organization Fukuyama Medical Center Yousuke Tsunemitsu National Hospital Organization Fukuyama Medical Center Shinya Otsuka National Hospital Organization Fukuyama Medical Center","Takamitsu Kato National Hospital Organization Fukuyama Medical Center","Toru Narusaka National Hospital Organization Fukuyama Medical Center"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Hospital Organization Fukuyama Medical Center","institution_ids":["https://openalex.org/I4405284326"]},{"raw_affiliation_string":"National Hospital Organization Fukuyama Medical Center Hideaki Miyasou National Hospital Organization Fukuyama Medical Center Yousuke Tsunemitsu National Hospital Organization Fukuyama Medical Center Shinya Otsuka National Hospital Organization Fukuyama Medical Center","institution_ids":["https://openalex.org/I4405284326"]},{"raw_affiliation_string":"Takamitsu Kato National Hospital Organization Fukuyama Medical Center","institution_ids":["https://openalex.org/I4405284326"]},{"raw_affiliation_string":"Toru Narusaka National Hospital Organization Fukuyama Medical Center","institution_ids":["https://openalex.org/I4405284326"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026722701","display_name":"Naoyuki Tokunaga","orcid":"https://orcid.org/0000-0003-4414-0112","observed_orcids":["https://orcid.org/0000-0003-4414-0112"]},"institutions":[{"id":"https://openalex.org/I4405284326","display_name":"National Hospital Organization Fukuyama Medical Center","ror":"https://ror.org/03bpey129","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137409","https://openalex.org/I4405284326"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Naoyuki Tokunaga","raw_affiliation_strings":["National Hospital Organization Fukuyama Medical Center","National Hospital Organization Fukuyama Medical Center Hideaki Miyasou National Hospital Organization Fukuyama Medical Center Yousuke Tsunemitsu National Hospital Organization Fukuyama Medical Center Shinya Otsuka National Hospital Organization Fukuyama Medical Center","Takamitsu Kato National Hospital Organization Fukuyama Medical Center","Toru Narusaka National Hospital Organization Fukuyama Medical Center"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Hospital Organization Fukuyama Medical Center","institution_ids":["https://openalex.org/I4405284326"]},{"raw_affiliation_string":"National Hospital Organization Fukuyama Medical Center Hideaki Miyasou National Hospital Organization Fukuyama Medical Center Yousuke Tsunemitsu National Hospital Organization Fukuyama Medical Center Shinya Otsuka National Hospital Organization Fukuyama Medical Center","institution_ids":["https://openalex.org/I4405284326"]},{"raw_affiliation_string":"Takamitsu Kato National Hospital Organization Fukuyama Medical Center","institution_ids":["https://openalex.org/I4405284326"]},{"raw_affiliation_string":"Toru Narusaka National Hospital Organization Fukuyama Medical Center","institution_ids":["https://openalex.org/I4405284326"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000770470","display_name":"Takamitsu A. Kato","orcid":"https://orcid.org/0000-0002-6263-600X","observed_orcids":["https://orcid.org/0000-0002-6263-600X"]},"institutions":[{"id":"https://openalex.org/I4405284326","display_name":"National Hospital Organization Fukuyama Medical Center","ror":"https://ror.org/03bpey129","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137409","https://openalex.org/I4405284326"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takamitsu Kato","raw_affiliation_strings":["National Hospital Organization Fukuyama Medical Center"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Hospital Organization Fukuyama Medical Center","institution_ids":["https://openalex.org/I4405284326"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068017866","display_name":"Toru Narusaka","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405284326","display_name":"National Hospital Organization Fukuyama Medical Center","ror":"https://ror.org/03bpey129","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137409","https://openalex.org/I4405284326"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Toru Narusaka","raw_affiliation_strings":["National Hospital Organization Fukuyama Medical Center"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Hospital Organization Fukuyama Medical Center","institution_ids":["https://openalex.org/I4405284326"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083204261","display_name":"Ryosuke Hamano","orcid":"https://orcid.org/0000-0001-5522-8596","observed_orcids":["https://orcid.org/0000-0001-5522-8596"]},"institutions":[{"id":"https://openalex.org/I4405284326","display_name":"National Hospital Organization Fukuyama Medical Center","ror":"https://ror.org/03bpey129","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137409","https://openalex.org/I4405284326"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Ryosuke Hamano","raw_affiliation_strings":["National Hospital Organization Fukuyama Medical Center","National Hospital Organization Fukuyama Medical Center Hideaki Miyasou National Hospital Organization Fukuyama Medical Center Yousuke Tsunemitsu National Hospital Organization Fukuyama Medical Center Shinya Otsuka National Hospital Organization Fukuyama Medical Center","Takamitsu Kato National Hospital Organization Fukuyama Medical Center","Toru Narusaka National Hospital Organization Fukuyama Medical Center"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Hospital Organization Fukuyama Medical Center","institution_ids":["https://openalex.org/I4405284326"]},{"raw_affiliation_string":"National Hospital Organization Fukuyama Medical Center Hideaki Miyasou National Hospital Organization Fukuyama Medical Center Yousuke Tsunemitsu National Hospital Organization Fukuyama Medical Center Shinya Otsuka National Hospital Organization Fukuyama Medical Center","institution_ids":["https://openalex.org/I4405284326"]},{"raw_affiliation_string":"Takamitsu Kato National Hospital Organization Fukuyama Medical Center","institution_ids":["https://openalex.org/I4405284326"]},{"raw_affiliation_string":"Toru Narusaka National Hospital Organization Fukuyama Medical Center","institution_ids":["https://openalex.org/I4405284326"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043223975","display_name":"Hideaki Miyasou","orcid":"https://orcid.org/0000-0002-9294-0651","observed_orcids":["https://orcid.org/0000-0002-9294-0651"]},"institutions":[{"id":"https://openalex.org/I4405284326","display_name":"National Hospital Organization Fukuyama Medical Center","ror":"https://ror.org/03bpey129","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137409","https://openalex.org/I4405284326"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hideaki Miyasou","raw_affiliation_strings":["National Hospital Organization Fukuyama Medical Center"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Hospital Organization Fukuyama Medical Center","institution_ids":["https://openalex.org/I4405284326"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079472104","display_name":"Yousuke Tsunemitsu","orcid":"https://orcid.org/0000-0002-7659-7291","observed_orcids":["https://orcid.org/0000-0002-7659-7291"]},"institutions":[{"id":"https://openalex.org/I4405284326","display_name":"National Hospital Organization Fukuyama Medical Center","ror":"https://ror.org/03bpey129","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137409","https://openalex.org/I4405284326"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yousuke Tsunemitsu","raw_affiliation_strings":["National Hospital Organization Fukuyama Medical Center"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Hospital Organization Fukuyama Medical Center","institution_ids":["https://openalex.org/I4405284326"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073609226","display_name":"Shinya Otsuka","orcid":"https://orcid.org/0000-0002-2489-9992","observed_orcids":["https://orcid.org/0000-0002-2489-9992"]},"institutions":[{"id":"https://openalex.org/I4405284326","display_name":"National Hospital Organization Fukuyama Medical Center","ror":"https://ror.org/03bpey129","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137409","https://openalex.org/I4405284326"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shinya Otsuka","raw_affiliation_strings":["National Hospital Organization Fukuyama Medical Center"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Hospital Organization Fukuyama Medical Center","institution_ids":["https://openalex.org/I4405284326"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005227042","display_name":"Masaru Inagaki","orcid":"https://orcid.org/0000-0001-8049-2858","observed_orcids":["https://orcid.org/0000-0001-8049-2858"]},"institutions":[{"id":"https://openalex.org/I4405284326","display_name":"National Hospital Organization Fukuyama Medical Center","ror":"https://ror.org/03bpey129","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137409","https://openalex.org/I4405284326"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Masaru Inagaki","raw_affiliation_strings":["National Hospital Organization Fukuyama Medical Center","National Hospital Organization Fukuyama Medical Center Hideaki Miyasou National Hospital Organization Fukuyama Medical Center Yousuke Tsunemitsu National Hospital Organization Fukuyama Medical Center Shinya Otsuka National Hospital Organization Fukuyama Medical Center","Takamitsu Kato National Hospital Organization Fukuyama Medical Center","Toru Narusaka National Hospital Organization Fukuyama Medical Center"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Hospital Organization Fukuyama Medical Center","institution_ids":["https://openalex.org/I4405284326"]},{"raw_affiliation_string":"National Hospital Organization Fukuyama Medical Center Hideaki Miyasou National Hospital Organization Fukuyama Medical Center Yousuke Tsunemitsu National Hospital Organization Fukuyama Medical Center Shinya Otsuka National Hospital Organization Fukuyama Medical Center","institution_ids":["https://openalex.org/I4405284326"]},{"raw_affiliation_string":"Takamitsu Kato National Hospital Organization Fukuyama Medical Center","institution_ids":["https://openalex.org/I4405284326"]},{"raw_affiliation_string":"Toru Narusaka National Hospital Organization Fukuyama Medical Center","institution_ids":["https://openalex.org/I4405284326"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5035082519","display_name":"Masashi Utsumi","orcid":"https://orcid.org/0000-0002-3342-9415","observed_orcids":["https://orcid.org/0000-0002-3342-9415"]},"institutions":[{"id":"https://openalex.org/I4405284326","display_name":"National Hospital Organization Fukuyama Medical Center","ror":"https://ror.org/03bpey129","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137409","https://openalex.org/I4405284326"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Masashi Utsumi","raw_affiliation_strings":["National Hospital Organization Fukuyama Medical Center","National Hospital Organization Fukuyama Medical Center Hideaki Miyasou National Hospital Organization Fukuyama Medical Center Yousuke Tsunemitsu National Hospital Organization Fukuyama Medical Center Shinya Otsuka National Hospital Organization Fukuyama Medical Center","Takamitsu Kato National Hospital Organization Fukuyama Medical Center","Toru Narusaka National Hospital Organization Fukuyama Medical Center"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Hospital Organization Fukuyama Medical Center","institution_ids":["https://openalex.org/I4405284326"]},{"raw_affiliation_string":"National Hospital Organization Fukuyama Medical Center Hideaki Miyasou National Hospital Organization Fukuyama Medical Center Yousuke Tsunemitsu National Hospital Organization Fukuyama Medical Center Shinya Otsuka National Hospital Organization Fukuyama Medical Center","institution_ids":["https://openalex.org/I4405284326"]},{"raw_affiliation_string":"Takamitsu Kato National Hospital Organization Fukuyama Medical Center","institution_ids":["https://openalex.org/I4405284326"]},{"raw_affiliation_string":"Toru Narusaka National Hospital Organization Fukuyama Medical Center","institution_ids":["https://openalex.org/I4405284326"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5035082519"],"corresponding_institution_ids":["https://openalex.org/I4405284326"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":null,"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/T11364","display_name":"Cholangiocarcinoma and Gallbladder Cancer Studies","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"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/T11364","display_name":"Cholangiocarcinoma and Gallbladder Cancer Studies","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"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/T11355","display_name":"Inflammatory Biomarkers in Disease Prognosis","score":0.0003000000142492354,"subfield":{"id":"https://openalex.org/subfields/2730","display_name":"Oncology"},"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/T10518","display_name":"Gallbladder and Bile Duct Disorders","score":0.0003000000142492354,"subfield":{"id":"https://openalex.org/subfields/2715","display_name":"Gastroenterology"},"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/biliary-tract-cancer","display_name":"biliary tract cancer","score":0.9919999837875366},{"id":"https://openalex.org/keywords/prognostic-nutritional-index","display_name":"prognostic nutritional index","score":0.9990000128746033},{"id":"https://openalex.org/keywords/prognostic-model","display_name":"prognostic model","score":0.7379999756813049},{"id":"https://openalex.org/keywords/overall-survival","display_name":"overall survival","score":0.7689999938011169},{"id":"https://openalex.org/keywords/lymph-node-metastasis","display_name":"lymph node metastasis","score":0.8980000019073486},{"id":"https://openalex.org/keywords/tumor-differentiation","display_name":"tumor differentiation","score":0.9990000128746033},{"id":"https://openalex.org/keywords/intrahepatic-cholangiocarcinoma","display_name":"intrahepatic cholangiocarcinoma","score":0.8489999771118164},{"id":"https://openalex.org/keywords/gallbladder-cancer","display_name":"gallbladder cancer","score":0.972000002861023},{"id":"https://openalex.org/keywords/cholangiocarcinoma","display_name":"cholangiocarcinoma","score":0.9240000247955322},{"id":"https://openalex.org/keywords/ampullary-carcinoma","display_name":"ampullary carcinoma","score":0.7289999723434448},{"id":"https://openalex.org/keywords/nutritional-status","display_name":"nutritional status","score":0.546999990940094},{"id":"https://openalex.org/keywords/systemic-inflammation","display_name":"systemic inflammation","score":0.8199999928474426},{"id":"https://openalex.org/keywords/risk-stratification","display_name":"risk stratification","score":0.6710000038146973}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.8238625526428223},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.7126463651657104},{"id":"https://openalex.org/C2776534502","wikidata":"https://www.wikidata.org/wiki/Q977787","display_name":"Gallbladder cancer","level":3,"score":0.623493492603302},{"id":"https://openalex.org/C144301174","wikidata":"https://www.wikidata.org/wiki/Q7893852","display_name":"Univariate analysis","level":3,"score":0.5717873573303223},{"id":"https://openalex.org/C207886595","wikidata":"https://www.wikidata.org/wiki/Q1456138","display_name":"Pathological","level":2,"score":0.5350236892700195},{"id":"https://openalex.org/C2909135397","wikidata":"https://www.wikidata.org/wiki/Q124292","display_name":"Intrahepatic Cholangiocarcinoma","level":2,"score":0.5268080234527588},{"id":"https://openalex.org/C90924648","wikidata":"https://www.wikidata.org/wiki/Q120569","display_name":"Gastroenterology","level":1,"score":0.5117442607879639},{"id":"https://openalex.org/C143998085","wikidata":"https://www.wikidata.org/wiki/Q162555","display_name":"Oncology","level":1,"score":0.5001177787780762},{"id":"https://openalex.org/C121608353","wikidata":"https://www.wikidata.org/wiki/Q12078","display_name":"Cancer","level":2,"score":0.49443674087524414},{"id":"https://openalex.org/C38180746","wikidata":"https://www.wikidata.org/wiki/Q1952580","display_name":"Multivariate analysis","level":2,"score":0.47767361998558044},{"id":"https://openalex.org/C2780221984","wikidata":"https://www.wikidata.org/wiki/Q131191","display_name":"Body mass index","level":2,"score":0.45836031436920166},{"id":"https://openalex.org/C167135981","wikidata":"https://www.wikidata.org/wiki/Q2146302","display_name":"Retrospective cohort study","level":2,"score":0.4528842270374298},{"id":"https://openalex.org/C2775955815","wikidata":"https://www.wikidata.org/wiki/Q124292","display_name":"Bile duct cancer","level":3,"score":0.42349180579185486}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.21203/rs.3.rs-556726/v1","doi":"https://doi.org/10.21203/rs.3.rs-556726/v1","is_oa":true,"landing_page_url":"https://doi.org/10.21203/rs.3.rs-556726/v1","pdf_url":"https://www.researchsquare.com/article/rs-556726/latest.pdf","source":{"id":"https://openalex.org/S4306525896","display_name":"Research Square","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Research Square","raw_type":"posted-content"}],"best_oa_location":{"id":"doi:10.21203/rs.3.rs-556726/v1","doi":"https://doi.org/10.21203/rs.3.rs-556726/v1","is_oa":true,"landing_page_url":"https://doi.org/10.21203/rs.3.rs-556726/v1","pdf_url":"https://www.researchsquare.com/article/rs-556726/latest.pdf","source":{"id":"https://openalex.org/S4306525896","display_name":"Research Square","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Research Square","raw_type":"posted-content"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","score":1.0,"display_name":"Good health and well-being"}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4243973712.pdf","grobid_xml":"https://content.openalex.org/works/W4243973712.grobid-xml"},"referenced_works_count":23,"referenced_works":["https://openalex.org/W58571634","https://openalex.org/W1579102433","https://openalex.org/W1986128216","https://openalex.org/W1987369327","https://openalex.org/W1988702078","https://openalex.org/W2017640155","https://openalex.org/W2018997491","https://openalex.org/W2043944632","https://openalex.org/W2059336794","https://openalex.org/W2069381721","https://openalex.org/W2079397302","https://openalex.org/W2080179219","https://openalex.org/W2149686378","https://openalex.org/W2152575748","https://openalex.org/W2190435538","https://openalex.org/W2529014768","https://openalex.org/W2616980811","https://openalex.org/W2889638556","https://openalex.org/W2968269230","https://openalex.org/W2976806760","https://openalex.org/W3010467616","https://openalex.org/W3087048824","https://openalex.org/W4240560406"],"related_works":["https://openalex.org/W4406212412","https://openalex.org/W3034976465","https://openalex.org/W4400848366","https://openalex.org/W3087048824","https://openalex.org/W2888266117","https://openalex.org/W3209911429","https://openalex.org/W4394759920","https://openalex.org/W3185543225","https://openalex.org/W2990882781","https://openalex.org/W3208242892"],"abstract_inverted_index":{"Abstract":[0],"Background:":[1],"The":[2,85,112,183,230],"prognostic":[3,31,44,48,58,92,149,184,204,215,231,242,259,275],"nutritional":[4,9,32,49,93,150,185,216,232,260],"index,":[5,233],"a":[6,15,53,273],"marker":[7,223],"of":[8,29,46,213,227],"status":[10],"and":[11,51,69,95,102,134,173,196,218,237,262,268],"systemic":[12],"inflammation,":[13],"is":[14],"known":[16],"biomarker":[17],"for":[18,180,277],"various":[19],"cancers.":[20],"However,":[21],"few":[22],"studies":[23],"have":[24],"evaluated":[25],"the":[26,30,43,47,91,148,207,214,258],"predictive":[27],"value":[28],"index":[33,50,94,151,186,217,261],"in":[34,60,142,206,225,247],"patients":[35,61,73,121,248,278],"with":[36,62,74,249,279],"biliary":[37,63,75,250,280],"tract":[38,64,76,251,281],"cancer.":[39,252,282],"Therefore,":[40],"we":[41],"investigated":[42],"significance":[45],"developed":[52],"risk-stratification":[54],"system":[55],"to":[56,80],"identify":[57],"factors":[59,179,205],"cancer.Methods:":[65],"Between":[66],"July":[67],"2010":[68],"March":[70],"2021,":[71],"117":[72],"cancer":[77],"were":[78,176,202,240],"recruited":[79],"this":[81],"single-center":[82],"retrospective":[83],"study.":[84],"relationship":[86],"between":[87],"clinicopathological":[88],"variables,":[89],"including":[90],"overall":[96,181],"survival,":[97],"was":[98,108,115,140],"analyzed":[99],"using":[100,257],"univariate":[101,146],"multivariate":[103,208],"analyses.":[104],"P":[105],"<":[106],"0.05":[107],"considered":[109],"statistically":[110],"significant.Results:":[111],"median":[113],"age":[114],"75":[116],"(range,":[117],"38\u201392)":[118],"years.":[119],"Thirty":[120],"had":[122],"intrahepatic":[123],"cholangiocarcinoma;":[124,130],"29,":[125],"gallbladder":[126],"carcinoma;":[127,133],"28,":[128],"distal":[129],"16,":[131],"ampullary":[132],"13,":[135],"perihilar":[136],"cholangiocarcinoma.":[137],"R0":[138],"resection":[139,175,246],"achieved":[141],"99":[143],"patients.":[144],"In":[145],"analysis,":[147],"(<":[152],"42),":[153],"lymph":[154,190,234],"node":[155,191,235],"metastasis,":[156,236],"carbohydrate":[157],"antigen":[158],"19-9":[159],"level":[160],"(>":[161],"20":[162],"U/mL),":[163],"preoperative":[164],"cholangitis,":[165],"tumor":[166,197,238],"differentiation,":[167],"operation":[168],"time":[169],"(\u2265":[170],"360":[171],"minutes),":[172],"R1\u20132":[174],"significant":[177],"risk":[178],"survival.":[182],"(P":[187,193,199],"=":[188,194,200],"0.007),":[189],"metastasis":[192],"0.024),":[195],"differentiation":[198,239],"0.008)":[201],"independent":[203,241],"analysis.":[209],"A":[210,253],"combined":[211,254],"score":[212],"pathological":[219,263],"findings":[220,264],"outperformed":[221],"each":[222],"alone,":[224],"terms":[226],"discriminatory":[228],"power.Conclusions:":[229],"predictors":[243],"after":[244],"surgical":[245],"prediction":[255],"model":[256],"accurately":[265],"predicted":[266],"prognosis":[267],"can":[269],"be":[270],"applied":[271],"as":[272],"novel":[274],"indicator":[276]},"counts_by_year":[{"year":2024,"cited_by_count":1}],"updated_date":"2026-11-12T12:28:57.059296","created_date":"2022-05-12T00:00:00"}
