{"id":"https://openalex.org/W2289395165","doi":"https://doi.org/10.1186/s12884-016-0830-2","title":"Caesarean section by maternal age group among singleton deliveries and primiparous Japanese women: a secondary analysis of the WHO Global Survey on Maternal and Perinatal Health","display_name":"Caesarean section by maternal age group among singleton deliveries and primiparous Japanese women: a secondary analysis of the WHO Global Survey on Maternal and Perinatal Health","publication_year":2016,"publication_date":"2016-02-29","ids":{"openalex":"https://openalex.org/W2289395165","doi":"https://doi.org/10.1186/s12884-016-0830-2","mag":"2289395165","pmid":"https://pubmed.ncbi.nlm.nih.gov/26928793","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/4770700"},"language":"en","primary_location":{"id":"doi:10.1186/s12884-016-0830-2","doi":"https://doi.org/10.1186/s12884-016-0830-2","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s12884-016-0830-2","pdf_url":"https://bmcpregnancychildbirth.biomedcentral.com/track/pdf/10.1186/s12884-016-0830-2","source":{"id":"https://openalex.org/S123732490","display_name":"BMC Pregnancy and Childbirth","issn_l":"1471-2393","issn":["1471-2393"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-d","doyens","jufo-1","ki-jl-1","medline","norway-1","oarl","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320256","host_organization_name":"BioMed Central","host_organization_lineage":["https://openalex.org/P4310320256","https://openalex.org/P4310319965"],"host_organization_lineage_names":["BioMed Central","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BMC Pregnancy and Childbirth","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://bmcpregnancychildbirth.biomedcentral.com/track/pdf/10.1186/s12884-016-0830-2","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5045250006","display_name":"Kyoko Yoshioka\u2010Maeda","orcid":"https://orcid.org/0000-0003-0344-0143","observed_orcids":["https://orcid.org/0000-0003-0344-0143"]},"institutions":[{"id":"https://openalex.org/I158929114","display_name":"Tokyo Medical University","ror":"https://ror.org/00k5j5c86","country_code":"JP","type":"education","lineage":["https://openalex.org/I158929114"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kyoko Yoshioka-Maeda","raw_affiliation_strings":["Department of Community Health Nursing, School of Nursing, Faculty of Medicine, Tokyo Medical University, Tokyo, Japan. kyoko@tokyo-med.ac.jp","Department of Community Health Nursing, School of Nursing, Faculty of Medicine, Tokyo Medical University, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Community Health Nursing, School of Nursing, Faculty of Medicine, Tokyo Medical University, Tokyo, Japan. kyoko@tokyo-med.ac.jp","institution_ids":["https://openalex.org/I158929114"]},{"raw_affiliation_string":"Department of Community Health Nursing, School of Nursing, Faculty of Medicine, Tokyo Medical University, Tokyo, Japan","institution_ids":["https://openalex.org/I158929114"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046995514","display_name":"Erika Ota","orcid":"https://orcid.org/0000-0002-3945-7441","observed_orcids":["https://orcid.org/0000-0002-3945-7441"]},"institutions":[{"id":"https://openalex.org/I4210132193","display_name":"National Center For Child Health and Development","ror":"https://ror.org/03fvwxc59","country_code":"JP","type":"government","lineage":["https://openalex.org/I4210132193"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Erika Ota","raw_affiliation_strings":["Department of Health Policy, National Center for Child Health and Development, Tokyo, Japan. otaerika@gmail.com","Department of Health Policy, National Center for Child Health and Development, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Health Policy, National Center for Child Health and Development, Tokyo, Japan. otaerika@gmail.com","institution_ids":["https://openalex.org/I4210132193"]},{"raw_affiliation_string":"Department of Health Policy, National Center for Child Health and Development, Tokyo, Japan","institution_ids":["https://openalex.org/I4210132193"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032393585","display_name":"Togoobaatar Ganchimeg","orcid":"https://orcid.org/0000-0002-5116-5601","observed_orcids":["https://orcid.org/0000-0002-5116-5601"]},"institutions":[{"id":"https://openalex.org/I146399215","display_name":"University of Tsukuba","ror":"https://ror.org/02956yf07","country_code":"JP","type":"education","lineage":["https://openalex.org/I146399215"]},{"id":"https://openalex.org/I4210132193","display_name":"National Center For Child Health and Development","ror":"https://ror.org/03fvwxc59","country_code":"JP","type":"government","lineage":["https://openalex.org/I4210132193"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Togoobaatar Ganchimeg","raw_affiliation_strings":["Department of Health Policy, National Center for Child Health and Development, Tokyo, Japan. ganchimeg.tb@gmail.com","Faculty of Medicine, University of Tsukuba, Ibaraki, Japan. ganchimeg.tb@gmail.com","Department of Health Policy, National Center for Child Health and Development, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Health Policy, National Center for Child Health and Development, Tokyo, Japan. ganchimeg.tb@gmail.com","institution_ids":["https://openalex.org/I4210132193"]},{"raw_affiliation_string":"Faculty of Medicine, University of Tsukuba, Ibaraki, Japan. ganchimeg.tb@gmail.com","institution_ids":["https://openalex.org/I146399215"]},{"raw_affiliation_string":"Department of Health Policy, National Center for Child Health and Development, Tokyo, Japan","institution_ids":["https://openalex.org/I4210132193"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015342886","display_name":"Mariko Kuroda","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I158929114","display_name":"Tokyo Medical University","ror":"https://ror.org/00k5j5c86","country_code":"JP","type":"education","lineage":["https://openalex.org/I158929114"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Mariko Kuroda","raw_affiliation_strings":["Department of Community Health Nursing, School of Nursing, Faculty of Medicine, Tokyo Medical University, Tokyo, Japan. m-kuroda@tokyo-med.ac.jp","Department of Community Health Nursing, School of Nursing, Faculty of Medicine, Tokyo Medical University, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Community Health Nursing, School of Nursing, Faculty of Medicine, Tokyo Medical University, Tokyo, Japan. m-kuroda@tokyo-med.ac.jp","institution_ids":["https://openalex.org/I158929114"]},{"raw_affiliation_string":"Department of Community Health Nursing, School of Nursing, Faculty of Medicine, Tokyo Medical University, Tokyo, Japan","institution_ids":["https://openalex.org/I158929114"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5034877069","display_name":"Rintaro Mori","orcid":"https://orcid.org/0000-0001-7656-6156","observed_orcids":["https://orcid.org/0000-0001-7656-6156"]},"institutions":[{"id":"https://openalex.org/I4210132193","display_name":"National Center For Child Health and Development","ror":"https://ror.org/03fvwxc59","country_code":"JP","type":"government","lineage":["https://openalex.org/I4210132193"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Rintaro Mori","raw_affiliation_strings":["Department of Health Policy, National Center for Child Health and Development, Tokyo, Japan. rintaromori@gmail.com","Department of Health Policy, National Center for Child Health and Development, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Health Policy, National Center for Child Health and Development, Tokyo, Japan. rintaromori@gmail.com","institution_ids":["https://openalex.org/I4210132193"]},{"raw_affiliation_string":"Department of Health Policy, National Center for Child Health and Development, Tokyo, Japan","institution_ids":["https://openalex.org/I4210132193"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5046995514"],"corresponding_institution_ids":["https://openalex.org/I4210132193"],"apc_list":{"value":3290,"currency":"USD","value_usd":3290},"apc_paid":{"value":3290,"currency":"USD","value_usd":3290},"fwci":4.6252,"has_fulltext":true,"cited_by_count":30,"citation_normalized_percentile":{"value":0.93956302,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"16","issue":"1","first_page":"39","last_page":"39"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10453","display_name":"Maternal and Perinatal Health Interventions","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10453","display_name":"Maternal and Perinatal Health Interventions","score":1.0,"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/T10600","display_name":"Reproductive Health and Contraception","score":0.0,"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"}},{"id":"https://openalex.org/T11389","display_name":"Maternal and fetal healthcare","score":0.0,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/cesarean-section","display_name":"cesarean section","score":0.9750000238418579},{"id":"https://openalex.org/keywords/advanced-maternal-age","display_name":"advanced maternal age","score":0.8859999775886536},{"id":"https://openalex.org/keywords/primiparous-women","display_name":"primiparous women","score":0.9559999704360962},{"id":"https://openalex.org/keywords/singleton-deliveries","display_name":"singleton deliveries","score":0.6779999732971191},{"id":"https://openalex.org/keywords/intrapartum-cesarean-section","display_name":"intrapartum cesarean section","score":0.9990000128746033},{"id":"https://openalex.org/keywords/cesarean-section-indications","display_name":"indications for cesarean section","score":0.8980000019073486},{"id":"https://openalex.org/keywords/maternal-age","display_name":"maternal age","score":0.42800000309944153},{"id":"https://openalex.org/keywords/japanese-women","display_name":"Japanese women","score":0.6729999780654907}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.8533393740653992},{"id":"https://openalex.org/C2776279924","wikidata":"https://www.wikidata.org/wiki/Q228036","display_name":"Caesarean section","level":3,"score":0.8421827554702759},{"id":"https://openalex.org/C131872663","wikidata":"https://www.wikidata.org/wiki/Q5284418","display_name":"Obstetrics","level":1,"score":0.7066161036491394},{"id":"https://openalex.org/C2776352029","wikidata":"https://www.wikidata.org/wiki/Q4686351","display_name":"Advanced maternal age","level":4,"score":0.6184901595115662},{"id":"https://openalex.org/C2776210078","wikidata":"https://www.wikidata.org/wiki/Q351870","display_name":"Reproductive medicine","level":3,"score":0.5861263871192932},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.5313981771469116},{"id":"https://openalex.org/C117354338","wikidata":"https://www.wikidata.org/wiki/Q1165112","display_name":"Singleton","level":3,"score":0.5168433785438538},{"id":"https://openalex.org/C156957248","wikidata":"https://www.wikidata.org/wiki/Q1862216","display_name":"Odds ratio","level":2,"score":0.5042620897293091},{"id":"https://openalex.org/C151956035","wikidata":"https://www.wikidata.org/wiki/Q1132755","display_name":"Logistic regression","level":2,"score":0.4728948175907135},{"id":"https://openalex.org/C172680121","wikidata":"https://www.wikidata.org/wiki/Q26513","display_name":"Fetus","level":3,"score":0.19319957494735718},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.0},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000367","descriptor_name":"Age Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D002585","descriptor_name":"Cesarean Section","qualifier_ui":"Q000706","qualifier_name":"statistics & numerical data","is_major_topic":true},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006306","descriptor_name":"Health Surveys","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":"D007564","descriptor_name":"Japan","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":false},{"descriptor_ui":"D007744","descriptor_name":"Obstetric Labor Complications","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":false},{"descriptor_ui":"D007744","descriptor_name":"Obstetric Labor Complications","qualifier_ui":"Q000601","qualifier_name":"surgery","is_major_topic":false},{"descriptor_ui":"D010298","descriptor_name":"Parity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D011247","descriptor_name":"Pregnancy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016015","descriptor_name":"Logistic Models","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016017","descriptor_name":"Odds Ratio","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":3,"locations":[{"id":"doi:10.1186/s12884-016-0830-2","doi":"https://doi.org/10.1186/s12884-016-0830-2","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s12884-016-0830-2","pdf_url":"https://bmcpregnancychildbirth.biomedcentral.com/track/pdf/10.1186/s12884-016-0830-2","source":{"id":"https://openalex.org/S123732490","display_name":"BMC Pregnancy and Childbirth","issn_l":"1471-2393","issn":["1471-2393"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-d","doyens","jufo-1","ki-jl-1","medline","norway-1","oarl","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320256","host_organization_name":"BioMed Central","host_organization_lineage":["https://openalex.org/P4310320256","https://openalex.org/P4310319965"],"host_organization_lineage_names":["BioMed Central","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BMC Pregnancy and Childbirth","raw_type":"journal-article"},{"id":"pmh:oai:pubmedcentral.nih.gov:4770700","doi":null,"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/4770700","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BMC Pregnancy Childbirth","raw_type":"Text"},{"id":"pmid:26928793","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/26928793","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":"BMC pregnancy and childbirth","raw_type":"Journal Article"}],"best_oa_location":{"id":"doi:10.1186/s12884-016-0830-2","doi":"https://doi.org/10.1186/s12884-016-0830-2","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s12884-016-0830-2","pdf_url":"https://bmcpregnancychildbirth.biomedcentral.com/track/pdf/10.1186/s12884-016-0830-2","source":{"id":"https://openalex.org/S123732490","display_name":"BMC Pregnancy and Childbirth","issn_l":"1471-2393","issn":["1471-2393"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-d","doyens","jufo-1","ki-jl-1","medline","norway-1","oarl","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320256","host_organization_name":"BioMed Central","host_organization_lineage":["https://openalex.org/P4310320256","https://openalex.org/P4310319965"],"host_organization_lineage_names":["BioMed Central","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BMC Pregnancy and Childbirth","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3","score":1.0}],"study_designs":[],"awards":[{"id":"https://openalex.org/G6166964551","display_name":"Comprehensive study for preventing low birthweight delivery in Japan","funder_award_id":"26860428","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"}],"funders":[{"id":"https://openalex.org/F4320334764","display_name":"Japan Society for the Promotion of Science","ror":"https://ror.org/00hhkn466"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2289395165.pdf","grobid_xml":"https://content.openalex.org/works/W2289395165.grobid-xml"},"referenced_works_count":24,"referenced_works":["https://openalex.org/W1966507670","https://openalex.org/W1986360329","https://openalex.org/W1996673386","https://openalex.org/W2021996283","https://openalex.org/W2026052641","https://openalex.org/W2034209649","https://openalex.org/W2038872796","https://openalex.org/W2044710569","https://openalex.org/W2050741430","https://openalex.org/W2073370133","https://openalex.org/W2094606328","https://openalex.org/W2098210313","https://openalex.org/W2101771006","https://openalex.org/W2103482706","https://openalex.org/W2119629969","https://openalex.org/W2132089139","https://openalex.org/W2132736853","https://openalex.org/W2138180589","https://openalex.org/W2147068675","https://openalex.org/W2168960615","https://openalex.org/W2405748583","https://openalex.org/W4247644815","https://openalex.org/W4250817556","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W2132736853","https://openalex.org/W4313472719","https://openalex.org/W7047780608","https://openalex.org/W4401659778","https://openalex.org/W7113284208","https://openalex.org/W38298341","https://openalex.org/W2158958049","https://openalex.org/W2410148205","https://openalex.org/W2913551250","https://openalex.org/W2765903303"],"abstract_inverted_index":{"BACKGROUND:":[0],"The":[1,31,165],"rising":[2],"caesarean":[3,39,53,97,124,145,178,191,199,228,232,254],"section":[4,40,54,179,192,233],"rate":[5,252],"is":[6,202],"an":[7],"important":[8],"public":[9],"health":[10],"concern":[11],"that":[12],"in":[13,28,55,136,162],"turn":[14],"increases":[15],"maternal":[16,43,86,104,166,214,221,245],"and":[17,26,46,52,81,87,90,95,111,188,256],"perinatal":[18],"risks":[19,175],"of":[20,33,68,148,244,253],"adverse":[21],"effects,":[22],"unnecessary":[23,258],"medical":[24,259],"consumption,":[25],"inequities":[27],"worldwide":[29],"access.":[30],"aim":[32],"this":[34],"study":[35],"was":[36,171,208,234],"to":[37,84,109,119,249],"investigate":[38],"indications":[41],"by":[42,144],"age":[44,51,105,167,215,222,241],"group":[45],"examine":[47],"the":[48,65,75,128,137,212,225,239,251],"association":[49],"between":[50,92],"primiparous":[56,69],"Japanese":[57,66,138],"women":[58,70,130,141,159],"with":[59,71,94,123,131,173],"singleton":[60,72,132,157],"births.":[61],"METHODS:":[62],"We":[63,114,155],"analyzed":[64],"data":[67],"births":[73,133],"from":[74],"WHO":[76],"Global":[77],"Survey":[78],"on":[79],"Maternal":[80],"Perinatal":[82],"Health":[83],"compare":[85],"neonatal":[88],"characteristics":[89,121],"outcomes":[91],"groups":[93,106],"without":[96],"section.":[98,125],"Women":[99],"were":[100,134,153],"divided":[101],"into":[102],"3":[103],"(\u226429,":[107],"30":[108],"34":[110],"\u226535":[112],"years).":[113],"performed":[115,204],"multivariable":[116],"logistic-regression":[117],"analysis":[118],"identify":[120],"associated":[122,172,257],"RESULTS:":[126],"Of":[127],"3245":[129],"included":[135,156],"data,":[139],"610":[140],"(18.8%)":[142],"delivered":[143],"section,":[146,200],"half":[147],"whom":[149],"(n":[150],"=":[151],"305)":[152],"nulliparous.":[154],"nulliparous":[158],"(1747":[160],"deliveries)":[161],"our":[163],"analysis.":[164],"35":[168],"years":[169],"old":[170],"higher":[174,210,236],"for":[176,205,227],"all":[177],"(adjusted":[180],"odds":[181],"ratio":[182],"[AOR]":[183],"1.89,":[184],"95%":[185,195],"CI":[186,196],"1.28-2.78)":[187],"emergency":[189],"antepartum":[190],"(AOR":[193],"2.26,":[194],"1.49-3.40).":[197],"Intrapartum":[198],"which":[201],"mainly":[203],"obstetric":[206],"indications,":[207],"not":[209,235],"among":[211,238],"older":[213,240],"group.":[216,242],"CONCLUSION:":[217],"In":[218],"Japan,":[219],"advanced":[220],"significantly":[223],"increased":[224],"risk":[226,237],"section;":[229],"however,":[230],"intrapartum":[231],"Management":[243],"complications":[246],"would":[247],"help":[248],"reduce":[250],"sections":[255],"consumption.":[260]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":5},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":3}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
