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Externally Validated Score to Predict Cesarean Delivery After Labor Induction With Cervi Ripening.
Obstet Gynecol 2019; 134(3):502-510OG

Abstract

OBJECTIVE

To build a score to predict the risk of cesarean delivery after labor induction with cervical ripening, and to compare its predictive capacities with other already existing scores.

METHODS

This study is a secondary analysis of data collected in the prospective multicenter observational French population-based cohort study Methods of Induction of Labor and Perinatal Outcomes, the primary objective of which was to obtain national data regarding labor induction practices in 94 maternity units. A total of 1,692 patients were randomly split into a derivation data set of 1,024 patients (60%) and an internal validation set of 668 patients (40%). Statistical analyses were performed using a Bayesian approach, allowing the use of priors (ie, previous results published in the literature). The final score is a simplified 50-point score. The score was validated using the internal validation set and an external data set of 4,242 patients from the National Institutes of Health's Consortium for Safe Labor database. We compared the area under the curve (AUC) of our score with two other scores: the modified Bishop score and the Levine score, which is a recently published risk calculator for cesarean delivery after labor induction with unfavorable cervix.

RESULTS

In the multivariate analysis, height, body mass index, gestational age, parity, dilation, effacement, fetal head station, medical indication, suspicion of macrosomia, premature rupture of membranes and concerning fetal status were found to be strongly associated with cesarean delivery. The AUC in the derivation set and internal validation set were 0.76 (0.73-0.79) and 0.74 (0.70-0.78), respectively. On the external validation set, the AUC for the present score, the Levine score, and the modified Bishop score were 0.81 (0.79-0.82), 0.76 (0.75-0.78), and 0.74 (0.73-0.76), respectively.

CONCLUSION

Our easy-to-use, externally validated score is efficient in predicting cesarean delivery after labor induction with cervical ripening.

CLINICAL TRIAL REGISTRATION

ClinicalTrials.gov, NCT02477085.

Authors+Show Affiliations

Department of Obstetrics, Strasbourg University Hospital, Strasbourg, Inserm UMR 1153, Obstetrical, Perinatal and Pediatric Epidemiology Research Team (EPOPé), Centre for Epidemiology and Statistics Sorbonne Paris Cité (CRESS), DHU Risks in pregnancy, Paris Descartes University, Paris, Port Royal Maternity Unit, Cochin Hospital, Assistance Publique-Hôpitaux de Paris, DHU Risks in Pregnancy, Paris Descartes University, Paris, Louis Mourier Hospital, Department of Obstetrics and Gynecology, Assistance Publique-Hôpitaux de Paris, DHU Risks in pregnancy, Paris Diderot University, Colombes, Department of Public Health, Strasbourg University Hospital, Strasbourg, and INSERM UMR-S 1121 "Biomaterials and Bioengineering," Strasbourg University Hospital, Strasbourg, France.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

31403585

Citation

Jochum, Floriane, et al. "Externally Validated Score to Predict Cesarean Delivery After Labor Induction With Cervi Ripening." Obstetrics and Gynecology, vol. 134, no. 3, 2019, pp. 502-510.
Jochum F, Le Ray C, Blanc-Petitjean P, et al. Externally Validated Score to Predict Cesarean Delivery After Labor Induction With Cervi Ripening. Obstet Gynecol. 2019;134(3):502-510.
Jochum, F., Le Ray, C., Blanc-Petitjean, P., Langer, B., Meyer, N., Severac, F., & Sananes, N. (2019). Externally Validated Score to Predict Cesarean Delivery After Labor Induction With Cervi Ripening. Obstetrics and Gynecology, 134(3), pp. 502-510. doi:10.1097/AOG.0000000000003405.
Jochum F, et al. Externally Validated Score to Predict Cesarean Delivery After Labor Induction With Cervi Ripening. Obstet Gynecol. 2019;134(3):502-510. PubMed PMID: 31403585.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Externally Validated Score to Predict Cesarean Delivery After Labor Induction With Cervi Ripening. AU - Jochum,Floriane, AU - Le Ray,Camille, AU - Blanc-Petitjean,Pauline, AU - Langer,Bruno, AU - Meyer,Nicolas, AU - Severac,François, AU - Sananes,Nicolas, PY - 2019/8/14/pubmed PY - 2019/8/14/medline PY - 2019/8/13/entrez SP - 502 EP - 510 JF - Obstetrics and gynecology JO - Obstet Gynecol VL - 134 IS - 3 N2 - OBJECTIVE: To build a score to predict the risk of cesarean delivery after labor induction with cervical ripening, and to compare its predictive capacities with other already existing scores. METHODS: This study is a secondary analysis of data collected in the prospective multicenter observational French population-based cohort study Methods of Induction of Labor and Perinatal Outcomes, the primary objective of which was to obtain national data regarding labor induction practices in 94 maternity units. A total of 1,692 patients were randomly split into a derivation data set of 1,024 patients (60%) and an internal validation set of 668 patients (40%). Statistical analyses were performed using a Bayesian approach, allowing the use of priors (ie, previous results published in the literature). The final score is a simplified 50-point score. The score was validated using the internal validation set and an external data set of 4,242 patients from the National Institutes of Health's Consortium for Safe Labor database. We compared the area under the curve (AUC) of our score with two other scores: the modified Bishop score and the Levine score, which is a recently published risk calculator for cesarean delivery after labor induction with unfavorable cervix. RESULTS: In the multivariate analysis, height, body mass index, gestational age, parity, dilation, effacement, fetal head station, medical indication, suspicion of macrosomia, premature rupture of membranes and concerning fetal status were found to be strongly associated with cesarean delivery. The AUC in the derivation set and internal validation set were 0.76 (0.73-0.79) and 0.74 (0.70-0.78), respectively. On the external validation set, the AUC for the present score, the Levine score, and the modified Bishop score were 0.81 (0.79-0.82), 0.76 (0.75-0.78), and 0.74 (0.73-0.76), respectively. CONCLUSION: Our easy-to-use, externally validated score is efficient in predicting cesarean delivery after labor induction with cervical ripening. CLINICAL TRIAL REGISTRATION: ClinicalTrials.gov, NCT02477085. SN - 1873-233X UR - https://www.unboundmedicine.com/medline/citation/31403585/Externally_Validated_Score_to_Predict_Cesarean_Delivery_After_Labor_Induction_With_Cervical_Ripening L2 - http://dx.doi.org/10.1097/AOG.0000000000003405 DB - PRIME DP - Unbound Medicine ER -