{"id":"https://openalex.org/W2323169241","doi":"https://doi.org/10.1097/01.aog.0000447125.24190.a5","title":"The Laborist","display_name":"The Laborist","publication_year":2014,"publication_date":"2014-04-28","ids":{"openalex":"https://openalex.org/W2323169241","doi":"https://doi.org/10.1097/01.aog.0000447125.24190.a5","mag":"2323169241"},"language":"en","primary_location":{"id":"doi:10.1097/01.aog.0000447125.24190.a5","doi":"https://doi.org/10.1097/01.aog.0000447125.24190.a5","is_oa":false,"landing_page_url":"https://doi.org/10.1097/01.aog.0000447125.24190.a5","pdf_url":null,"source":{"id":"https://openalex.org/S139838620","display_name":"Obstetrics and Gynecology","issn_l":"0029-7844","issn":["0029-7844","1873-233X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-a","doyens","jufo-3","ki-jl-2","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315671","host_organization_name":"Lippincott Williams & Wilkins","host_organization_lineage":["https://openalex.org/P4310315671","https://openalex.org/P4310318547"],"host_organization_lineage_names":["Lippincott Williams & Wilkins","Wolters Kluwer"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Obstetrics &amp; Gynecology","raw_type":"journal-article"},"volume":null,"type":"conference-abstract","indexed_in":["crossref"],"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/A5004170618","display_name":"Daniele S. Feldman","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1282927834","display_name":"Cedars-Sinai Medical Center","ror":"https://ror.org/02pammg90","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1282927834"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Daniele S. Feldman","raw_affiliation_strings":["Cedars Sinai Medical Center, Los Angeles, CA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cedars Sinai Medical Center, Los Angeles, CA","institution_ids":["https://openalex.org/I1282927834"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014444514","display_name":"D. Lisa Bollman","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1282927834","display_name":"Cedars-Sinai Medical Center","ror":"https://ror.org/02pammg90","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1282927834"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"D. Lisa Bollman","raw_affiliation_strings":["Cedars Sinai Medical Center, Los Angeles, CA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cedars Sinai Medical Center, Los Angeles, CA","institution_ids":["https://openalex.org/I1282927834"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000342689","display_name":"Lisa Marie Korst","orcid":"https://orcid.org/0000-0002-0846-7823","observed_orcids":["https://orcid.org/0000-0002-0846-7823"]},"institutions":[{"id":"https://openalex.org/I1282927834","display_name":"Cedars-Sinai Medical Center","ror":"https://ror.org/02pammg90","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1282927834"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Lisa M. Korst","raw_affiliation_strings":["Cedars Sinai Medical Center, Los Angeles, CA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cedars Sinai Medical Center, Los Angeles, CA","institution_ids":["https://openalex.org/I1282927834"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112781093","display_name":"Moshe Fridman","orcid":"https://orcid.org/0000-0002-0406-1260","observed_orcids":["https://orcid.org/0000-0002-0406-1260"]},"institutions":[{"id":"https://openalex.org/I1282927834","display_name":"Cedars-Sinai Medical Center","ror":"https://ror.org/02pammg90","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1282927834"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Moshe Fridman","raw_affiliation_strings":["Cedars Sinai Medical Center, Los Angeles, CA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cedars Sinai Medical Center, Los Angeles, CA","institution_ids":["https://openalex.org/I1282927834"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087424164","display_name":"Samia El Haj Ibrahim","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1282927834","display_name":"Cedars-Sinai Medical Center","ror":"https://ror.org/02pammg90","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1282927834"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Samia El Haj Ibrahim","raw_affiliation_strings":["Cedars Sinai Medical Center, Los Angeles, CA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cedars Sinai Medical Center, Los Angeles, CA","institution_ids":["https://openalex.org/I1282927834"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5038171106","display_name":"Kimberly D. Gregory","orcid":"https://orcid.org/0000-0003-2313-9200","observed_orcids":["https://orcid.org/0000-0003-2313-9200"]},"institutions":[{"id":"https://openalex.org/I1282927834","display_name":"Cedars-Sinai Medical Center","ror":"https://ror.org/02pammg90","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1282927834"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Kimberly D. Gregory","raw_affiliation_strings":["Cedars Sinai Medical Center, Los Angeles, CA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cedars Sinai Medical Center, Los Angeles, CA","institution_ids":["https://openalex.org/I1282927834"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I1282927834"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"123","issue":"Supplement 1","first_page":"144S","last_page":"144S"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10453","display_name":"Maternal and Perinatal Health Interventions","score":0.9926999807357788,"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":0.9926999807357788,"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/T10391","display_name":"Healthcare Policy and Management","score":0.0026000000070780516,"subfield":{"id":"https://openalex.org/subfields/2002","display_name":"Economics and Econometrics"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12174","display_name":"Hospital Admissions and Outcomes","score":0.0005000000237487257,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/primary-cesarean-delivery","display_name":"primary cesarean delivery","score":0.8899999856948853},{"id":"https://openalex.org/keywords/labor-and-delivery-unit","display_name":"labor and delivery unit","score":0.7639999985694885},{"id":"https://openalex.org/keywords/patient-outcomes","display_name":"patient outcomes","score":0.7419999837875366}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.8712257146835327},{"id":"https://openalex.org/C3020128735","wikidata":"https://www.wikidata.org/wiki/Q228036","display_name":"Cesarean delivery","level":3,"score":0.7450936436653137},{"id":"https://openalex.org/C151956035","wikidata":"https://www.wikidata.org/wiki/Q1132755","display_name":"Logistic regression","level":2,"score":0.7239056825637817},{"id":"https://openalex.org/C20556612","wikidata":"https://www.wikidata.org/wiki/Q4469374","display_name":"Volume (thermodynamics)","level":2,"score":0.4448245167732239},{"id":"https://openalex.org/C10885799","wikidata":"https://www.wikidata.org/wiki/Q80015","display_name":"Obstetrics and gynaecology","level":3,"score":0.44005587697029114},{"id":"https://openalex.org/C131872663","wikidata":"https://www.wikidata.org/wiki/Q5284418","display_name":"Obstetrics","level":1,"score":0.3954503834247589},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.27316123247146606},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.08777639269828796},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","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/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1097/01.aog.0000447125.24190.a5","doi":"https://doi.org/10.1097/01.aog.0000447125.24190.a5","is_oa":false,"landing_page_url":"https://doi.org/10.1097/01.aog.0000447125.24190.a5","pdf_url":null,"source":{"id":"https://openalex.org/S139838620","display_name":"Obstetrics and Gynecology","issn_l":"0029-7844","issn":["0029-7844","1873-233X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-a","doyens","jufo-3","ki-jl-2","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315671","host_organization_name":"Lippincott Williams & Wilkins","host_organization_lineage":["https://openalex.org/P4310315671","https://openalex.org/P4310318547"],"host_organization_lineage_names":["Lippincott Williams & Wilkins","Wolters Kluwer"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Obstetrics &amp; Gynecology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3","score":0.9763000011444092}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2203750246","https://openalex.org/W2007129730","https://openalex.org/W2124526655","https://openalex.org/W1994793712","https://openalex.org/W3205473787","https://openalex.org/W4252489474","https://openalex.org/W3126473205","https://openalex.org/W1515950227","https://openalex.org/W2046224838","https://openalex.org/W2418302812"],"abstract_inverted_index":{"INTRODUCTION:":[0],"Many":[1],"hospitals":[2,57,141,212,244,268],"across":[3,55,238],"the":[4,24,69,84,188,248,257],"nation":[5],"use":[6],"laborists,":[7],"yet":[8],"little":[9],"evidence":[10],"exists":[11],"to":[12,21,43,82,133,256],"suggest":[13],"how":[14],"this":[15],"affects":[16],"patient":[17],"outcomes.":[18],"We":[19,37,89],"aim":[20],"determine":[22],"if":[23],"presence":[25,102,189],"of":[26,72,103,140,190,260],"a":[27,41,191],"laborist":[28,192],"is":[29],"associated":[30,93],"with":[31,94,155,213,269],"primary":[32,62,85,95,157,205,234,250],"cesarean":[33,63,86,96,158,206,235,251],"delivery":[34,53,64,87,97,127,159,207,236,252],"rates.":[35,88],"METHODS:":[36],"designed":[38],"and":[39,48,52,75,105,198,203,216,262],"validated":[40],"survey":[42],"collect":[44],"information":[45],"on":[46,50],"policies":[47],"practices":[49],"labor":[51],"units":[54],"all":[56],"in":[58,210,247],"southern":[59,242],"California.":[60],"Hospital-level":[61],"rates":[65,160,208,237,253],"were":[66,80,209],"obtained":[67],"from":[68],"California":[70,243],"Office":[71],"Health":[73],"Planning":[74],"Development.":[76],"Recursive":[77,144],"partitioning":[78,145],"algorithms":[79,146],"used":[81],"evaluate":[83],"evaluated":[90],"structural":[91,223],"variables":[92],"including":[98],"obstetrics\u2013gynecology":[99],"resident":[100],"teaching,":[101],"laborists":[104],"volume":[106,154,218],"(low":[107,163],"volume=200\u20132,000":[108],"deliveries":[109,113,118],"per":[110,114,121],"year;":[111,115],"midvolume=2,001\u20133,500":[112],"high":[116,168,217],"volume=3,500":[117],"or":[119],"more":[120],"year).":[122],"Analysis":[123],"was":[124,131,181,193],"weighted":[125],"by":[126,152,176],"volume.":[128,178],"Logistic":[129],"regression":[130,227],"performed":[132],"confirm":[134],"these":[135,162],"results.":[136],"RESULTS:":[137],"Seventy":[138],"percent":[139],"responded":[142],"(84/121).":[143],"showed":[147,228],"an":[148],"initial":[149],"branch":[150,173],"point":[151,174],"hospital":[153,177],"comparable":[156,255],"among":[161,267],"volume:":[164,169],"19.9%,":[165],"midvolume:":[166],"18%,":[167],"19.7%).":[170],"The":[171,201],"second":[172],"differed":[175],"Teaching":[179],"status":[180],"most":[182,194],"discriminant":[183,195],"for":[184,196,222],"low-volume":[185],"hospitals,":[186],"whereas":[187],"midvolume":[197,214],"high-volume":[199],"hospitals.":[200],"highest":[202],"lowest":[204],"nonlaborist":[211],"(17.6%)":[215],"(22.5%),":[219],"respectively.":[220],"Controlling":[221],"risk":[224],"factors,":[225],"logistic":[226],"no":[229],"statistically":[230],"significant":[231],"difference":[232],"between":[233],"groups.":[239],"CONCLUSION:":[240],"Among":[241],"that":[245],"participated":[246],"survey,":[249],"are":[254],"state":[258],"average":[259],"17%":[261],"did":[263],"not":[264],"vary":[265],"significantly":[266],"laborists.":[270]},"counts_by_year":[{"year":2020,"cited_by_count":1}],"updated_date":"2026-09-22T06:50:58.402377","created_date":"2016-06-24T00:00:00"}
