{"id":"https://openalex.org/W36334642","doi":null,"title":"Metastatic lymph node ratio is an independent prognostic factor in gastric cancer.","display_name":"Metastatic lymph node ratio is an independent prognostic factor in gastric cancer.","publication_year":2009,"publication_date":"2009-05-01","ids":{"openalex":"https://openalex.org/W36334642","mag":"36334642","pmid":"https://pubmed.ncbi.nlm.nih.gov/19621727"},"language":"en","primary_location":{"id":"pmid:19621727","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/19621727","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":"Hepato-gastroenterology","raw_type":"Journal Article"},"parent_works":[],"lineage":["https://openalex.org/W36334642"],"child_works_count":0,"type":"article","is_traditional":true,"indexed_in":["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/A5037717639","display_name":"Oktar Aso\u011flu","orcid":"https://orcid.org/0000-0002-9147-1654","observed_orcids":["https://orcid.org/0000-0002-9147-1654"]},"institutions":[{"id":"https://openalex.org/I67581229","display_name":"Istanbul University","ror":"https://ror.org/03a5qrr21","country_code":"TR","type":"education","lineage":["https://openalex.org/I67581229"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"Oktar Asoglu","raw_affiliation_strings":["Department of Surgery, Istanbul Medical School, Istanbul University, Capa, Istanbul, Turkey. oktarasoglu@yahoo.com"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Surgery, Istanbul Medical School, Istanbul University, Capa, Istanbul, Turkey. oktarasoglu@yahoo.com","institution_ids":["https://openalex.org/I67581229"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073318439","display_name":"Hasan Karanl\u0131k","orcid":"https://orcid.org/0000-0001-6156-7260","observed_orcids":["https://orcid.org/0000-0001-6156-7260"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hasan Karanlik","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101697143","display_name":"Mesut Parlak","orcid":"https://orcid.org/0000-0002-3550-1425","observed_orcids":["https://orcid.org/0000-0002-3550-1425"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mesut Parlak","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082337702","display_name":"Mustafa Ke\u00e7er","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mustafa Kecer","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066254737","display_name":"Mahmut M\u00fcsl\u00fcmano\u011flu","orcid":"https://orcid.org/0000-0003-0279-5671","observed_orcids":["https://orcid.org/0000-0003-0279-5671"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mahmut Muslumanoglu","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082729927","display_name":"Abdullah \u0130\u011fci","orcid":"https://orcid.org/0000-0002-4986-9167","observed_orcids":["https://orcid.org/0000-0002-4986-9167"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Abdullah Igci","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015814730","display_name":"Vahit \u00d6zmen","orcid":"https://orcid.org/0000-0003-2973-8247","observed_orcids":["https://orcid.org/0000-0003-2973-8247"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Vahit Ozmen","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038783528","display_name":"MINE G. GULLUOGLU","orcid":"https://orcid.org/0000-0002-3967-0779","observed_orcids":["https://orcid.org/0000-0002-3967-0779"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mine Gulluoglu","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5030362088","display_name":"Yersu Kapran","orcid":"https://orcid.org/0000-0001-6725-664X","observed_orcids":["https://orcid.org/0000-0001-6725-664X"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yersu Kapran","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.217,"has_fulltext":false,"cited_by_count":25,"citation_normalized_percentile":{"value":0.79226908,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"56","issue":"91-92","first_page":"908","last_page":"13"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10696","display_name":"Gastric Cancer Management and Outcomes","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10696","display_name":"Gastric Cancer Management and Outcomes","score":1.0,"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/T11355","display_name":"Inflammatory Biomarkers in Disease Prognosis","score":0.0,"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/T10619","display_name":"Esophageal Cancer Research and Treatment","score":0.0,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/gastric-cancer","display_name":"gastric cancer","score":0.996999979019165},{"id":"https://openalex.org/keywords/lymph-node-ratio","display_name":"lymph node ratio","score":0.7310000061988831},{"id":"https://openalex.org/keywords/metastatic-lymph-nodes","display_name":"metastatic lymph nodes","score":0.8180000185966492},{"id":"https://openalex.org/keywords/prognostic-factors","display_name":"prognostic factors","score":0.8529999852180481},{"id":"https://openalex.org/keywords/tnm-classification","display_name":"TNM classification","score":0.7900000214576721},{"id":"https://openalex.org/keywords/lymph-node-dissection","display_name":"lymph node dissection","score":0.765999972820282},{"id":"https://openalex.org/keywords/postoperative-survival","display_name":"postoperative survival","score":0.871999979019165},{"id":"https://openalex.org/keywords/prognostic-stratification","display_name":"prognostic stratification","score":0.8220000267028809}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.7654404640197754},{"id":"https://openalex.org/C2780849966","wikidata":"https://www.wikidata.org/wiki/Q170758","display_name":"Lymph node","level":2,"score":0.6441947221755981},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.6189758777618408},{"id":"https://openalex.org/C50382708","wikidata":"https://www.wikidata.org/wiki/Q223218","display_name":"Proportional hazards model","level":2,"score":0.617251992225647},{"id":"https://openalex.org/C121608353","wikidata":"https://www.wikidata.org/wiki/Q12078","display_name":"Cancer","level":2,"score":0.5416254997253418},{"id":"https://openalex.org/C2779720271","wikidata":"https://www.wikidata.org/wiki/Q179422","display_name":"Lymph","level":2,"score":0.4933139383792877},{"id":"https://openalex.org/C143998085","wikidata":"https://www.wikidata.org/wiki/Q162555","display_name":"Oncology","level":1,"score":0.48580431938171387},{"id":"https://openalex.org/C38180746","wikidata":"https://www.wikidata.org/wiki/Q1952580","display_name":"Multivariate analysis","level":2,"score":0.4319349229335785},{"id":"https://openalex.org/C207103383","wikidata":"https://www.wikidata.org/wiki/Q3930246","display_name":"Hazard ratio","level":3,"score":0.43186497688293457},{"id":"https://openalex.org/C90924648","wikidata":"https://www.wikidata.org/wiki/Q120569","display_name":"Gastroenterology","level":1,"score":0.358331561088562},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.2428635060787201},{"id":"https://openalex.org/C44249647","wikidata":"https://www.wikidata.org/wiki/Q208498","display_name":"Confidence interval","level":2,"score":0.2070317566394806}],"mesh":[{"descriptor_ui":"D000230","descriptor_name":"Adenocarcinoma","qualifier_ui":"Q000401","qualifier_name":"mortality","is_major_topic":false},{"descriptor_ui":"D000230","descriptor_name":"Adenocarcinoma","qualifier_ui":"Q000556","qualifier_name":"secondary","is_major_topic":true},{"descriptor_ui":"D000230","descriptor_name":"Adenocarcinoma","qualifier_ui":"Q000601","qualifier_name":"surgery","is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"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":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005743","descriptor_name":"Gastrectomy","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":"D008207","descriptor_name":"Lymphatic Metastasis","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":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D009361","descriptor_name":"Neoplasm Invasiveness","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D009367","descriptor_name":"Neoplasm Staging","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":"D012189","descriptor_name":"Retrospective Studies","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":"D013274","descriptor_name":"Stomach Neoplasms","qualifier_ui":"Q000401","qualifier_name":"mortality","is_major_topic":false},{"descriptor_ui":"D013274","descriptor_name":"Stomach Neoplasms","qualifier_ui":"Q000473","qualifier_name":"pathology","is_major_topic":true},{"descriptor_ui":"D013274","descriptor_name":"Stomach Neoplasms","qualifier_ui":"Q000601","qualifier_name":"surgery","is_major_topic":false},{"descriptor_ui":"D015331","descriptor_name":"Cohort Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016016","descriptor_name":"Proportional Hazards Models","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D053208","descriptor_name":"Kaplan-Meier Estimate","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D055815","descriptor_name":"Young Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"pmid:19621727","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/19621727","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":"Hepato-gastroenterology","raw_type":"Journal Article"},{"id":"mag:36334642","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/19621727","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":null,"is_accepted":false,"is_published":false,"raw_source_name":"PubMed","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.9391000270843506,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"study_designs":[{"display_name":"Observational Study","id":"https://openalex.org/study-designs/observational-study"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2418266465","https://openalex.org/W2922679402","https://openalex.org/W2060900419","https://openalex.org/W2132665913","https://openalex.org/W2069334510","https://openalex.org/W2062938495","https://openalex.org/W1974271780","https://openalex.org/W3210207859","https://openalex.org/W4210521241","https://openalex.org/W2001546037"],"abstract_inverted_index":{"BACKGROUND/AIMS:":[0],"The":[1,34,67,120,145,166],"metastatic":[2,49],"status":[3],"of":[4,29,36,45,48,61,70,168,183,211,234,248,261],"the":[5,10,25,30,42,46,94,102,110,175,184,257,262],"regional":[6],"lymph":[7,52,121,212,231,251],"node":[8,122,213,232,252],"is":[9,39,238],"most":[11],"significant":[12],"prognostic":[13,43,197,246],"factor":[14,198],"for":[15,56,230,245],"gastric":[16,64,76,235,254],"cancer.":[17,65,236],"However,":[18],"diverse":[19],"prognoses":[20],"are":[21],"evident":[22],"even":[23],"among":[24],"same":[26],"N":[27,84,88,128,134,141,151,154,158,162,176,193,221,259],"classifications":[28],"current":[31,87,258],"tumor-node-metastasis":[32,263],"system.":[33,264],"aim":[35],"this":[37],"study":[38],"to":[40,50,82,132,138,174],"evaluate":[41],"significance":[44],"ratio":[47,85,123,129,135,142,152,155,159,163,177,194,222],"examined":[51],"nodes":[53],"(N":[54],"ratio)":[55],"identifying":[57],"a":[58,239],"high-risk":[59],"subgroup":[60],"patients":[62,73,249],"with":[63,74,80,209,250],"METHODOLOGY:":[66],"postoperative":[68],"survival":[69,147,169],"264":[71],"consecutive":[72],"operable":[75],"cancer":[77,255],"was":[78,91,107,124,195],"analyzed":[79],"regard":[81],"its":[83],"and":[86,97,140,180,215,242],"classification.":[89],"Survival":[90],"determined":[92],"by":[93,101,150],"Kaplan-Meier":[95],"method":[96],"differences":[98],"were":[99,153,170,205],"assessed":[100],"log-rank":[103],"test.":[104],"Multivariate":[105],"analysis":[106,190],"performed":[108],"using":[109],"Cox":[111,188],"proportional":[112],"hazards":[113],"model":[114],"in":[115,178,199],"forward":[116],"stepwise":[117],"regression.":[118],"RESULTS:":[119],"classified":[125],"as":[126,226],"follows":[127],"1,":[130,156],"1":[131],"10,":[133],"2,":[136,160],"11":[137],"25;":[139],"3,":[143,164],">25.":[144],"5-year":[146],"rates":[148,167],"stratified":[149],"81%;":[157],"49%;":[161],"25%.":[165],"significantly":[171,207],"different":[172],"according":[173],"pN1":[179],"pN2":[181],"classification":[182,186,260],"UICC/TNM":[185],"(p<0.05).":[187,219],"regression":[189],"revealed":[191],"that":[192],"sensitive":[196],"these":[200],"surgically":[201],"treated":[202],"patients,":[203],"which":[204],"also":[206],"correlated":[208],"extent":[210],"dissection":[214],"pathologic":[216],"tumor":[217],"stage":[218],"CONCLUSIONS:":[220],"can":[223],"be":[224],"recommended":[225],"an":[227],"applicable":[228],"parameter":[229],"involvement":[233],"It":[237],"more":[240],"effective":[241],"precise":[243],"indicator":[244],"stratification":[247],"positive":[253],"than":[256]},"counts_by_year":[{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":2}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}
