{"id":"https://openalex.org/W7225430294","doi":"https://doi.org/10.1177/00031348261506471","title":"Is Obesity Severity Associated With Increased Postoperative Morbidity after Minimally Invasive Appendectomy? A 2020-2024 NSQIP Propensity Score-matched Analysis","display_name":"Is Obesity Severity Associated With Increased Postoperative Morbidity after Minimally Invasive Appendectomy? A 2020-2024 NSQIP Propensity Score-matched Analysis","publication_year":2026,"publication_date":"2026-11-06","ids":{"openalex":"https://openalex.org/W7225430294","doi":"https://doi.org/10.1177/00031348261506471","pmid":"https://pubmed.ncbi.nlm.nih.gov/42993756"},"language":"en","primary_location":{"id":"doi:10.1177/00031348261506471","doi":"https://doi.org/10.1177/00031348261506471","is_oa":false,"landing_page_url":"https://doi.org/10.1177/00031348261506471","pdf_url":null,"source":{"id":"https://openalex.org/S113474406","display_name":"The American Surgeon","issn_l":"0003-1348","issn":["0003-1348","1555-9823"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","ki-jl-1","medline","norway-1","poland-40","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320017","host_organization_name":"SAGE Publishing","host_organization_lineage":["https://openalex.org/P4310320017"],"host_organization_lineage_names":["SAGE Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The American Surgeon\u2122","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"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/A5119964911","display_name":"Oscar Tuesta","orcid":"https://orcid.org/0000-0003-0309-1246","observed_orcids":["https://orcid.org/0000-0003-0309-1246"]},"institutions":[{"id":"https://openalex.org/I4210101329","display_name":"Northwest Hospital","ror":"https://ror.org/01eycqy43","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210101329","https://openalex.org/I4210164053"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Oscar Tuesta","raw_affiliation_strings":["Northwest Hospital"],"raw_orcid":"https://orcid.org/0000-0003-0309-1246","affiliations":[{"raw_affiliation_string":"Northwest Hospital","institution_ids":["https://openalex.org/I4210101329"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5151690066","display_name":"Kareem Thabet","orcid":"https://orcid.org/0009-0002-4918-9257","observed_orcids":["https://orcid.org/0009-0002-4918-9257"]},"institutions":[{"id":"https://openalex.org/I159247623","display_name":"Mansoura University","ror":"https://ror.org/01k8vtd75","country_code":"EG","type":"education","lineage":["https://openalex.org/I159247623"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"Kareem Thabet","raw_affiliation_strings":["Mansoura University"],"raw_orcid":"https://orcid.org/0009-0002-4918-9257","affiliations":[{"raw_affiliation_string":"Mansoura University","institution_ids":["https://openalex.org/I159247623"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5159025309","display_name":"Adrian Riva","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210101329","display_name":"Northwest Hospital","ror":"https://ror.org/01eycqy43","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210101329","https://openalex.org/I4210164053"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Adrian Riva","raw_affiliation_strings":["Northwest Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Northwest Hospital","institution_ids":["https://openalex.org/I4210101329"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5161014003","display_name":"Abraham Jamal","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I84707247","display_name":"Howard Community College","ror":"https://ror.org/02bzq7389","country_code":"US","type":"education","lineage":["https://openalex.org/I84707247"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Abraham Jamal","raw_affiliation_strings":["Howard Community College"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Howard Community College","institution_ids":["https://openalex.org/I84707247"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001947486","display_name":"Tarek H. Hassab","orcid":"https://orcid.org/0000-0001-9040-6204","observed_orcids":["https://orcid.org/0000-0001-9040-6204"]},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Tarek Hassab","raw_affiliation_strings":["The Johns Hopkins University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Johns Hopkins University","institution_ids":["https://openalex.org/I145311948"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059716423","display_name":"Raul Sebastian","orcid":"https://orcid.org/0000-0003-4486-4444","observed_orcids":["https://orcid.org/0000-0003-4486-4444"]},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]},{"id":"https://openalex.org/I4210101329","display_name":"Northwest Hospital","ror":"https://ror.org/01eycqy43","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210101329","https://openalex.org/I4210164053"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Raul Sebastian","raw_affiliation_strings":["Northwest Hospital","The Johns Hopkins University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Northwest Hospital","institution_ids":["https://openalex.org/I4210101329"]},{"raw_affiliation_string":"The Johns Hopkins University","institution_ids":["https://openalex.org/I145311948"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5161026777","display_name":"James Harris","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"James Harris","raw_affiliation_strings":["The Johns Hopkins University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Johns Hopkins University","institution_ids":["https://openalex.org/I145311948"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5119964911"],"corresponding_institution_ids":["https://openalex.org/I4210101329"],"apc_list":{"value":4150,"currency":"USD","value_usd":4150},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"31348261506471","last_page":"31348261506471"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11473","display_name":"Appendicitis Diagnosis and Management","score":0.9643999934196472,"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":0.9643999934196472,"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/T10569","display_name":"Bariatric Surgery and Outcomes","score":0.019300000742077827,"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/T10010","display_name":"Obesity, Physical Activity, Diet","score":0.008100000210106373,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational Health"},"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/obesity","display_name":"obesity","score":0.9729999899864197},{"id":"https://openalex.org/keywords/appendectomy","display_name":"appendectomy","score":0.7110000252723694},{"id":"https://openalex.org/keywords/minimally-invasive-surgery","display_name":"minimally invasive surgery","score":0.8199999928474426},{"id":"https://openalex.org/keywords/postoperative-morbidity","display_name":"postoperative morbidity","score":0.7940000295639038},{"id":"https://openalex.org/keywords/surgical-site-infection","display_name":"surgical site infection","score":0.9679999947547913},{"id":"https://openalex.org/keywords/conversion-to-open-surgery","display_name":"conversion to open surgery","score":0.9070000052452087},{"id":"https://openalex.org/keywords/kidney-failure","display_name":"renal failure","score":0.8970000147819519},{"id":"https://openalex.org/keywords/obesity-severity","display_name":"obesity severity","score":0.796999990940094},{"id":"https://openalex.org/keywords/morbid-obesity","display_name":"morbid obesity","score":0.6499999761581421},{"id":"https://openalex.org/keywords/30-day-outcomes","display_name":"30-day outcomes","score":0.7049999833106995},{"id":"https://openalex.org/keywords/length-of-hospital-stay","display_name":"length of hospital stay","score":0.6740000247955322}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9610000252723694},{"id":"https://openalex.org/C17923572","wikidata":"https://www.wikidata.org/wiki/Q7250160","display_name":"Propensity score matching","level":2,"score":0.7512000203132629},{"id":"https://openalex.org/C156957248","wikidata":"https://www.wikidata.org/wiki/Q1862216","display_name":"Odds ratio","level":2,"score":0.6850000023841858},{"id":"https://openalex.org/C511355011","wikidata":"https://www.wikidata.org/wiki/Q12174","display_name":"Obesity","level":2,"score":0.6772000193595886},{"id":"https://openalex.org/C2779159551","wikidata":"https://www.wikidata.org/wiki/Q1414874","display_name":"Comorbidity","level":2,"score":0.626800000667572},{"id":"https://openalex.org/C151956035","wikidata":"https://www.wikidata.org/wiki/Q1132755","display_name":"Logistic regression","level":2,"score":0.5471000075340271},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.5152999758720398},{"id":"https://openalex.org/C81182388","wikidata":"https://www.wikidata.org/wiki/Q353963","display_name":"Complication","level":2,"score":0.49390000104904175},{"id":"https://openalex.org/C143095724","wikidata":"https://www.wikidata.org/wiki/Q515895","display_name":"Odds","level":3,"score":0.4763000011444092},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.46399998664855957},{"id":"https://openalex.org/C187960798","wikidata":"https://www.wikidata.org/wiki/Q7631152","display_name":"Subgroup analysis","level":3,"score":0.4603999853134155},{"id":"https://openalex.org/C2780221984","wikidata":"https://www.wikidata.org/wiki/Q131191","display_name":"Body mass index","level":2,"score":0.33469998836517334},{"id":"https://openalex.org/C50440223","wikidata":"https://www.wikidata.org/wiki/Q1475848","display_name":"Risk factor","level":2,"score":0.3154999911785126},{"id":"https://openalex.org/C167135981","wikidata":"https://www.wikidata.org/wiki/Q2146302","display_name":"Retrospective cohort study","level":2,"score":0.2872999906539917},{"id":"https://openalex.org/C3019063607","wikidata":"https://www.wikidata.org/wiki/Q1414874","display_name":"Charlson comorbidity index","level":3,"score":0.2872999906539917}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1177/00031348261506471","doi":"https://doi.org/10.1177/00031348261506471","is_oa":false,"landing_page_url":"https://doi.org/10.1177/00031348261506471","pdf_url":null,"source":{"id":"https://openalex.org/S113474406","display_name":"The American Surgeon","issn_l":"0003-1348","issn":["0003-1348","1555-9823"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","ki-jl-1","medline","norway-1","poland-40","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320017","host_organization_name":"SAGE Publishing","host_organization_lineage":["https://openalex.org/P4310320017"],"host_organization_lineage_names":["SAGE Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The American Surgeon\u2122","raw_type":"journal-article"},{"id":"pmid:42993756","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/42993756","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":"The American surgeon","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being","score":1.0}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W2052693008","https://openalex.org/W2086148931","https://openalex.org/W2745694840","https://openalex.org/W2942253286","https://openalex.org/W3014314913","https://openalex.org/W3040902137","https://openalex.org/W3131480205","https://openalex.org/W4286828197","https://openalex.org/W4318336304","https://openalex.org/W4318917837","https://openalex.org/W4323048251","https://openalex.org/W4394912681","https://openalex.org/W4395673853","https://openalex.org/W4400720808","https://openalex.org/W4403261697","https://openalex.org/W4406352787","https://openalex.org/W4410778835","https://openalex.org/W7125941810"],"related_works":["https://openalex.org/W12404636","https://openalex.org/W3160418616","https://openalex.org/W1980780940","https://openalex.org/W3131480205","https://openalex.org/W7213306867","https://openalex.org/W2048572170","https://openalex.org/W4391387005","https://openalex.org/W3097290382","https://openalex.org/W2086148931","https://openalex.org/W4281975525"],"abstract_inverted_index":{"Background":[0],"Obesity":[1,113],"may":[2],"increase":[3],"morbidity":[4],"after":[5,226],"minimally":[6],"invasive":[7],"appendectomy":[8],"(MIA).":[9],"We":[10],"evaluated":[11],"30-day":[12],"outcomes":[13],"by":[14],"obesity":[15,30,45,154],"status":[16],"and":[17,42,76,107,141,176,196,219],"severity.":[18],"Methods":[19],"Using":[20],"the":[21,104,110],"2020-2024":[22],"ACS":[23],"NSQIP":[24],"Participant":[25],"Use":[26],"Files,":[27],"patients":[28,212],"with":[29,38,51,116,157,213,215],"(BMI":[31,46],"\u226530":[32],"kg/m":[33,48],"2":[34,49],")":[35,50],"were":[36,200],"compared":[37],"those":[39],"without":[40],"obesity,":[41,214],"class":[43,52,152,229,232],"III":[44,150,230],"\u226540":[47],"I-II":[53,153,233],"obesity.":[54,98,234],"Propensity":[55],"score":[56],"matching":[57],"(PSM)":[58],"was":[59,114,155],"performed.":[60],"Outcomes":[61],"included":[62],"mortality,":[63],"conversion":[64,135,195],"to":[65],"open":[66],"surgery,":[67],"surgical":[68],"site":[69],"infection":[70],"(SSI),":[71],"organ-related":[72],"complications,":[73],"operative":[74],"time,":[75],"length":[77],"of":[78,119,160],"stay.":[79],"Sensitivity":[80],"analyses":[81],"adjusted":[82],"for":[83,103,109],"residual":[84],"comorbidity":[85],"imbalance":[86],"using":[87],"multivariable":[88],"logistic":[89],"regression.":[90],"Results":[91],"Among":[92],"211,221":[93],"patients,":[94],"78,659":[95],"(37.2%)":[96],"had":[97],"PSM":[99],"yielded":[100],"78,567":[101],"pairs":[102],"main":[105],"comparison":[106],"14,203":[108],"subgroup":[111],"comparison.":[112],"associated":[115,156],"higher":[117,158],"odds":[118,159],"superficial":[120,161],"SSI":[121,129,162,170,188,223],"(OR":[122,130,136,144,163,171,179],"1.75;":[123],"95%":[124,132,138,146,165,173,181],"CI":[125,133,139,147,166,174,182],"1.58-1.94),":[126],"deep":[127,168],"incisional":[128,169,187],"1.70;":[131],"1.28-2.26),":[134],"1.33;":[137],"1.06-1.67),":[140],"renal":[142,177,197],"insufficiency":[143,178,198],"1.62;":[145],"1.32-1.98).":[148],"Class":[149],"vs":[151,231],"1.80;":[164],"1.48-2.18),":[167],"3.09;":[172],"1.61-5.93),":[175],"2.23;":[180],"1.50-3.31).":[183],"After":[184],"additional":[185],"adjustment,":[186,227],"associations":[189,199,224],"persisted":[190,225],"in":[191,211],"both":[192],"comparisons,":[193],"whereas":[194],"no":[201],"longer":[202],"significant.":[203],"Conclusions":[204],"MIA":[205],"showed":[206],"a":[207],"favorable":[208],"safety":[209],"profile":[210],"low":[216],"absolute":[217],"mortality":[218],"major":[220],"complication":[221],"rates.":[222],"including":[228]},"counts_by_year":[],"updated_date":"2026-11-08T12:12:28.789561","created_date":"2026-11-07T00:00:00"}
