{"id":"https://openalex.org/W7225451285","doi":"https://doi.org/10.1002/ijgo.71467","title":"A nomogram model for analyzing risk factors of postpartum hemorrhage in twin pregnancies with cesarean section","display_name":"A nomogram model for analyzing risk factors of postpartum hemorrhage in twin pregnancies with cesarean section","publication_year":2026,"publication_date":"2026-11-07","ids":{"openalex":"https://openalex.org/W7225451285","doi":"https://doi.org/10.1002/ijgo.71467","pmid":"https://pubmed.ncbi.nlm.nih.gov/42998016"},"language":"en","primary_location":{"id":"doi:10.1002/ijgo.71467","doi":"https://doi.org/10.1002/ijgo.71467","is_oa":true,"landing_page_url":"https://doi.org/10.1002/ijgo.71467","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/ijgo.71467","source":{"id":"https://openalex.org/S4210216427","display_name":"International Journal of Gynecology & Obstetrics","issn_l":"0020-6695","issn":["0020-6695","0020-7292","1879-3479"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-70","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Gynecology & Obstetrics","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/ijgo.71467","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5126358499","display_name":"Jieni Zou","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I27781120","display_name":"Wenzhou Medical University","ror":"https://ror.org/00rd5t069","country_code":"CN","type":"education","lineage":["https://openalex.org/I27781120"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jieni Zou","raw_affiliation_strings":["Department of Obstetrics and Gynecology The Second Affiliated Hospital of Wenzhou Medical University  Wenzhou China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology The Second Affiliated Hospital of Wenzhou Medical University  Wenzhou China","institution_ids":["https://openalex.org/I27781120"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5135350646","display_name":"Li Zhou","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I27781120","display_name":"Wenzhou Medical University","ror":"https://ror.org/00rd5t069","country_code":"CN","type":"education","lineage":["https://openalex.org/I27781120"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Li Zhou","raw_affiliation_strings":["Department of Obstetrics and Gynecology The Second Affiliated Hospital of Wenzhou Medical University  Wenzhou China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology The Second Affiliated Hospital of Wenzhou Medical University  Wenzhou China","institution_ids":["https://openalex.org/I27781120"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5126285643","display_name":"Kechen Li","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I27781120","display_name":"Wenzhou Medical University","ror":"https://ror.org/00rd5t069","country_code":"CN","type":"education","lineage":["https://openalex.org/I27781120"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kechen Li","raw_affiliation_strings":["Department of Obstetrics and Gynecology The Second Affiliated Hospital of Wenzhou Medical University  Wenzhou China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology The Second Affiliated Hospital of Wenzhou Medical University  Wenzhou China","institution_ids":["https://openalex.org/I27781120"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109787658","display_name":"Chengxiu Zhu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210099263","display_name":"Ruian People's Hospital","ror":"https://ror.org/011b9vp56","country_code":"CN","type":"healthcare","lineage":["https://openalex.org/I4210099263"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chengxiu Zhu","raw_affiliation_strings":["Department of Obstetrics and Gynecology The Third Affiliated Hospital of Wenzhou Medical University  Wenzhou China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology The Third Affiliated Hospital of Wenzhou Medical University  Wenzhou China","institution_ids":["https://openalex.org/I4210099263"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061657779","display_name":"Ying Hua","orcid":"https://orcid.org/0000-0003-2798-4479","observed_orcids":["https://orcid.org/0000-0003-2798-4479"]},"institutions":[{"id":"https://openalex.org/I27781120","display_name":"Wenzhou Medical University","ror":"https://ror.org/00rd5t069","country_code":"CN","type":"education","lineage":["https://openalex.org/I27781120"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ying Hua","raw_affiliation_strings":["Department of Obstetrics and Gynecology The Second Affiliated Hospital of Wenzhou Medical University  Wenzhou China"],"raw_orcid":"https://orcid.org/0000-0003-2798-4479","affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology The Second Affiliated Hospital of Wenzhou Medical University  Wenzhou China","institution_ids":["https://openalex.org/I27781120"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5126334572","display_name":"Ke Dong","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I27781120","display_name":"Wenzhou Medical University","ror":"https://ror.org/00rd5t069","country_code":"CN","type":"education","lineage":["https://openalex.org/I27781120"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ke Dong","raw_affiliation_strings":["Department of Obstetrics and Gynecology The Second Affiliated Hospital of Wenzhou Medical University  Wenzhou China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology The Second Affiliated Hospital of Wenzhou Medical University  Wenzhou China","institution_ids":["https://openalex.org/I27781120"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5161155370","display_name":"Xuewei Zhou","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I27781120","display_name":"Wenzhou Medical University","ror":"https://ror.org/00rd5t069","country_code":"CN","type":"education","lineage":["https://openalex.org/I27781120"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xuewei Zhou","raw_affiliation_strings":["Department of Obstetrics and Gynecology The Second Affiliated Hospital of Wenzhou Medical University  Wenzhou China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology The Second Affiliated Hospital of Wenzhou Medical University  Wenzhou China","institution_ids":["https://openalex.org/I27781120"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5161155370"],"corresponding_institution_ids":["https://openalex.org/I27781120"],"apc_list":{"value":4480,"currency":"USD","value_usd":4480},"apc_paid":null,"fwci":0.0,"has_fulltext":true,"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":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11389","display_name":"Maternal and fetal healthcare","score":0.9911999702453613,"subfield":{"id":"https://openalex.org/subfields/2735","display_name":"Pediatrics, Perinatology and Child Health"},"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/T11389","display_name":"Maternal and fetal healthcare","score":0.9911999702453613,"subfield":{"id":"https://openalex.org/subfields/2735","display_name":"Pediatrics, Perinatology and Child Health"},"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/T10453","display_name":"Maternal and Perinatal Health Interventions","score":0.0032999999821186066,"subfield":{"id":"https://openalex.org/subfields/2729","display_name":"Obstetrics and Gynecology"},"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/T10290","display_name":"Pregnancy and preeclampsia studies","score":0.000699999975040555,"subfield":{"id":"https://openalex.org/subfields/2729","display_name":"Obstetrics and Gynecology"},"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/postpartum-hemorrhage","display_name":"postpartum hemorrhage","score":1.0},{"id":"https://openalex.org/keywords/twin-pregnancy","display_name":"twin pregnancy","score":0.9300000071525574},{"id":"https://openalex.org/keywords/cesarean-section","display_name":"cesarean section","score":0.9990000128746033},{"id":"https://openalex.org/keywords/nomogram","display_name":"nomogram","score":0.8320000171661377},{"id":"https://openalex.org/keywords/risk-factors","display_name":"risk factors","score":0.8379999995231628},{"id":"https://openalex.org/keywords/parity","display_name":"parity","score":0.7450000047683716},{"id":"https://openalex.org/keywords/assisted-reproductive-technology","display_name":"assisted reproduction","score":0.9990000128746033},{"id":"https://openalex.org/keywords/preeclampsia","display_name":"preeclampsia","score":1.0},{"id":"https://openalex.org/keywords/placenta-previa","display_name":"placenta previa","score":0.9990000128746033},{"id":"https://openalex.org/keywords/placenta-accreta","display_name":"placenta accreta","score":0.9980000257492065},{"id":"https://openalex.org/keywords/anemia","display_name":"anemia","score":0.7360000014305115},{"id":"https://openalex.org/keywords/neonatal-birthweight","display_name":"neonatal birthweight","score":0.953000009059906},{"id":"https://openalex.org/keywords/general-anesthesia","display_name":"general anesthesia","score":0.9850000143051147},{"id":"https://openalex.org/keywords/maternal-mortality","display_name":"maternal mortality","score":0.6389999985694885}],"concepts":[{"id":"https://openalex.org/C34626388","wikidata":"https://www.wikidata.org/wiki/Q721129","display_name":"Nomogram","level":2,"score":0.9503999948501587},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9236000180244446},{"id":"https://openalex.org/C131872663","wikidata":"https://www.wikidata.org/wiki/Q5284418","display_name":"Obstetrics","level":1,"score":0.6916999816894531},{"id":"https://openalex.org/C151956035","wikidata":"https://www.wikidata.org/wiki/Q1132755","display_name":"Logistic regression","level":2,"score":0.6333000063896179},{"id":"https://openalex.org/C2909855057","wikidata":"https://www.wikidata.org/wiki/Q159979","display_name":"Twin Pregnancy","level":4,"score":0.60589998960495},{"id":"https://openalex.org/C29456083","wikidata":"https://www.wikidata.org/wiki/Q1221899","display_name":"Gynecology","level":1,"score":0.446399986743927},{"id":"https://openalex.org/C58471807","wikidata":"https://www.wikidata.org/wiki/Q327120","display_name":"Receiver operating characteristic","level":2,"score":0.41510000824928284},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.41190001368522644},{"id":"https://openalex.org/C2776953305","wikidata":"https://www.wikidata.org/wiki/Q1212935","display_name":"Placenta","level":4,"score":0.3961000144481659},{"id":"https://openalex.org/C2780659260","wikidata":"https://www.wikidata.org/wiki/Q1418513","display_name":"Uterine atony","level":3,"score":0.37869998812675476},{"id":"https://openalex.org/C2777218350","wikidata":"https://www.wikidata.org/wiki/Q61335","display_name":"Preeclampsia","level":3,"score":0.3783999979496002},{"id":"https://openalex.org/C167135981","wikidata":"https://www.wikidata.org/wiki/Q2146302","display_name":"Retrospective cohort study","level":2,"score":0.3765000104904175},{"id":"https://openalex.org/C126674687","wikidata":"https://www.wikidata.org/wiki/Q1662573","display_name":"Akaike information criterion","level":2,"score":0.35679998993873596},{"id":"https://openalex.org/C170964787","wikidata":"https://www.wikidata.org/wiki/Q7611170","display_name":"Stepwise regression","level":2,"score":0.3546999990940094},{"id":"https://openalex.org/C2780081364","wikidata":"https://www.wikidata.org/wiki/Q1471410","display_name":"Placenta previa","level":5,"score":0.3440999984741211},{"id":"https://openalex.org/C199163554","wikidata":"https://www.wikidata.org/wiki/Q1681619","display_name":"Univariate","level":3,"score":0.33340001106262207},{"id":"https://openalex.org/C50440223","wikidata":"https://www.wikidata.org/wiki/Q1475848","display_name":"Risk factor","level":2,"score":0.3237000107765198},{"id":"https://openalex.org/C152877465","wikidata":"https://www.wikidata.org/wiki/Q208042","display_name":"Regression analysis","level":2,"score":0.31839999556541443},{"id":"https://openalex.org/C144301174","wikidata":"https://www.wikidata.org/wiki/Q7893852","display_name":"Univariate analysis","level":3,"score":0.31529998779296875},{"id":"https://openalex.org/C156957248","wikidata":"https://www.wikidata.org/wiki/Q1862216","display_name":"Odds ratio","level":2,"score":0.3093000054359436},{"id":"https://openalex.org/C2777980614","wikidata":"https://www.wikidata.org/wiki/Q7316626","display_name":"Retained placenta","level":5,"score":0.298799991607666},{"id":"https://openalex.org/C12174686","wikidata":"https://www.wikidata.org/wiki/Q1058438","display_name":"Risk assessment","level":2,"score":0.2962999939918518},{"id":"https://openalex.org/C82789193","wikidata":"https://www.wikidata.org/wiki/Q2142611","display_name":"Relative risk","level":3,"score":0.26339998841285706},{"id":"https://openalex.org/C83546350","wikidata":"https://www.wikidata.org/wiki/Q1139051","display_name":"Regression","level":2,"score":0.26179999113082886},{"id":"https://openalex.org/C76318530","wikidata":"https://www.wikidata.org/wiki/Q16833590","display_name":"Area under the curve","level":2,"score":0.2578999996185303}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1002/ijgo.71467","doi":"https://doi.org/10.1002/ijgo.71467","is_oa":true,"landing_page_url":"https://doi.org/10.1002/ijgo.71467","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/ijgo.71467","source":{"id":"https://openalex.org/S4210216427","display_name":"International Journal of Gynecology & Obstetrics","issn_l":"0020-6695","issn":["0020-6695","0020-7292","1879-3479"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-70","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Gynecology & Obstetrics","raw_type":"journal-article"},{"id":"pmid:42998016","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/42998016","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":"International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics","raw_type":"Journal Article"}],"best_oa_location":{"id":"doi:10.1002/ijgo.71467","doi":"https://doi.org/10.1002/ijgo.71467","is_oa":true,"landing_page_url":"https://doi.org/10.1002/ijgo.71467","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/ijgo.71467","source":{"id":"https://openalex.org/S4210216427","display_name":"International Journal of Gynecology & Obstetrics","issn_l":"0020-6695","issn":["0020-6695","0020-7292","1879-3479"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-70","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Gynecology & Obstetrics","raw_type":"journal-article"},"sustainable_development_goals":[{"score":1.0,"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":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7225451285.pdf","grobid_xml":"https://content.openalex.org/works/W7225451285.grobid-xml"},"referenced_works_count":35,"referenced_works":["https://openalex.org/W2008999995","https://openalex.org/W2122640998","https://openalex.org/W2149835061","https://openalex.org/W2152401910","https://openalex.org/W2313934124","https://openalex.org/W2326256880","https://openalex.org/W2565129767","https://openalex.org/W2580452357","https://openalex.org/W2782248232","https://openalex.org/W2786382895","https://openalex.org/W2901744417","https://openalex.org/W2985122524","https://openalex.org/W3008867523","https://openalex.org/W3012326842","https://openalex.org/W3024303250","https://openalex.org/W3037020557","https://openalex.org/W3043353479","https://openalex.org/W3183902071","https://openalex.org/W4220725849","https://openalex.org/W4255836543","https://openalex.org/W4285083501","https://openalex.org/W4292575151","https://openalex.org/W4308775247","https://openalex.org/W4310206615","https://openalex.org/W4311897989","https://openalex.org/W4318208152","https://openalex.org/W4319058260","https://openalex.org/W4328117605","https://openalex.org/W4366290940","https://openalex.org/W4385647802","https://openalex.org/W4386498594","https://openalex.org/W4388914374","https://openalex.org/W4390497982","https://openalex.org/W4390978532","https://openalex.org/W4402095949"],"related_works":["https://openalex.org/W4366290940","https://openalex.org/W4415058018","https://openalex.org/W4389775413","https://openalex.org/W4386498594","https://openalex.org/W4415773440","https://openalex.org/W4390759466","https://openalex.org/W4406404920","https://openalex.org/W4408918707","https://openalex.org/W3042204580","https://openalex.org/W4226338840"],"abstract_inverted_index":{"BACKGROUND:":[0],"The":[1,166,212,283],"rising":[2],"prevalence":[3],"of":[4,87,125,192,249,257,266,276],"twin":[5,58,72,101,210],"pregnancies":[6,59,73],"and":[7,25,40,80,105,110,130,155,158,196,217,233,242,263,305],"cesarean":[8],"sections":[9],"(CS)":[10],"is":[11],"a":[12,29],"significant":[13,270],"risk":[14,31,94,203,271],"factor":[15],"for":[16,34,54,96,168,205,295],"postpartum":[17,277],"hemorrhage":[18,278],"(PPH),":[19],"contributing":[20],"to":[21,49,301],"increased":[22],"maternal":[23,44,308],"morbidity":[24],"mortality":[26],"globally.":[27],"Establishing":[28],"reliable":[30],"assessment":[32],"model":[33,285],"PPH":[35,56,97,169,206,297],"could":[36],"facilitate":[37],"timely":[38],"identification":[39],"intervention,":[41],"thereby":[42],"improving":[43],"outcomes.":[45],"This":[46,63],"study":[47,65],"aimed":[48],"develop":[50],"an":[51,292],"effective":[52],"nomogram":[53,117,167,213],"predicting":[55],"in":[57,100,209,281],"undergoing":[60],"CS.":[61],"METHODS:":[62],"retrospective":[64],"analyzed":[66],"data":[67],"from":[68],"1704":[69],"women":[70],"with":[71,143,220],"who":[74],"delivered":[75],"by":[76,226],"CS":[77,99,208,280],"between":[78,240],"2016":[79],"2022":[81],"at":[82],"the":[83,123,131,190,193,229,238,247,264,274,288],"Second":[84],"Affiliated":[85],"Hospital":[86],"Wenzhou":[88],"Medical":[89],"University,":[90],"China.":[91],"To":[92],"identify":[93],"factors":[95,204,272,290],"after":[98,207,279],"pregnancies,":[102],"univariate":[103],"analysis":[104,129,232],"LASSO":[106],"(least":[107],"absolute":[108],"shrinkage":[109],"selection":[111],"operator)":[112],"regression":[113,128],"were":[114,200],"employed.":[115],"A":[116],"was":[118,138,170],"subsequently":[119],"developed":[120],"based":[121,286],"on":[122,287],"results":[124],"binary":[126],"logistic":[127],"Akaike":[132],"information":[133],"criterion":[134],"(AIC).":[135],"Model":[136],"validation":[137],"performed":[139],"using":[140,172],"bootstrap":[141],"resampling,":[142],"performance":[144],"assessed":[145],"through":[146],"discrimination":[147,216],"(receiver":[148],"operating":[149],"characteristic":[150],"curve),":[151],"calibration":[152,218],"(calibration":[153],"plot":[154],"Hosmer-Lemeshow":[156],"test),":[157],"clinical":[159,222,303],"utility":[160,223],"(decision":[161],"cur":[162],"analysis,":[163],"DCA).":[164],"RESULTS:":[165],"created":[171],"eight":[173],"best":[174],"predictor":[175],"variables,":[176],"namely,":[177],"parity,":[178],"assisted":[179],"reproductive":[180],"technology":[181],"(ART),":[182],"preeclampsia":[183],"(PE),":[184],"placenta":[185,187,252,254],"previa,":[186,253],"accreta,":[188,255],"anemia,":[189,259],"sum":[191],"neonatal":[194,261],"birthweight,":[195,262],"general":[197,267],"anesthesia,":[198],"which":[199],"all":[201],"independent":[202],"pregnancies.":[211],"demonstrated":[214],"strong":[215],"performance,":[219],"robust":[221],"as":[224],"evidenced":[225],"area":[227],"under":[228],"curve":[230],"(AUC)":[231],"DCA.":[234],"Internal":[235],"verification":[236],"confirmed":[237],"consistency":[239],"predicted":[241],"actual":[243],"values.":[244],"CONCLUSIONS:":[245],"Parity,":[246],"use":[248,265],"ART,":[250],"PE,":[251],"degree":[256],"prenatal":[258],"total":[260],"anesthesia":[268],"are":[269],"affecting":[273],"incidence":[275],"patients.":[282],"prediction":[284],"above":[289],"provides":[291],"accurate":[293],"tool":[294],"assessing":[296],"risk,":[298],"offering":[299],"potential":[300],"guide":[302],"decision-making":[304],"further":[306],"reduce":[307],"mortality.":[309]},"counts_by_year":[],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2026-11-08T00:00:00"}