Time of day variation in rates of obstetric intervention to assist in vaginal delivery
Webb D, Culhane J. Time of day variation in rates of obstetric intervention to assist in vaginal delivery. Journal Of Epidemiology & Community Health 2002, 56: 577. PMID: 12118047, PMCID: PMC1732224, DOI: 10.1136/jech.56.8.577.Peer-Reviewed Original ResearchHospital Variation in Episiotomy Use and the Risk of Perineal Trauma During Childbirth
Webb D, Culhane J. Hospital Variation in Episiotomy Use and the Risk of Perineal Trauma During Childbirth. Birth 2002, 29: 132-136. PMID: 12000414, DOI: 10.1046/j.1523-536x.2002.00173.x.Peer-Reviewed Original ResearchConceptsFourth-degree perineal lacerationsDegree perineal lacerationsEpisiotomy useHospital variationPerineal lacerationsPerineal traumaEpisiotomy ratePublished Epidemiological StudiesAdjusted odds ratioHospital discharge dataUse of episiotomyRate of episiotomyMajor maternity hospitalsUnited States womenNulliparous womenObstetrical providersMaternity hospitalOdds ratioClinical studiesStudy populationSurgical proceduresEpidemiological dataEpidemiological studiesSuch lacerationsHospital level