Do severe maternal morbidity and adequate prenatal care affect the delivery cost? A nationwide cohort study for 11 years with follow up

J. Y. Nam, E. Cho, E. C. Park

Research output: Contribution to journalArticle

Abstract

Objective: To explore whether severe maternal morbidity (SMM) and adequate prenatal care (PNC) affect delivery cost. Design: Population-based retrospective cohort study. Setting: National Health Insurance Service National Sample Cohort in Korea. Population: A total of 90 035 deliveries in 2003 and 2013. Methods: Severe maternal morbidity was determined using the Centers for Disease Control and Prevention's algorithm. Delivery medical costs were calculated by estimating claimed total medical costs using year-specific inflation adjustment factors. Adequate PNC was estimated by the Kessner Adequacy of Prenatal Care Index. To estimate adjusted mean delivery medical costs related to SMM, we applied a generalised estimating equation model with log link and γ distribution, by adjusting for all covariates. Main outcome measures: Delivery cost was calculated by estimating claimed total medical cost during delivery hospitalisation using year-specific inflation. Results: Of the 90 035 deliveries, 2041 (2.27%) involved SMM. Women with SMM had a greater adjusted mean cost of delivery (US$ 1,263, 95% CI US$ 1,196–1,334) than those without (US$ 740, 95% CI US$ 729–750). Interestingly, women who had inadequate PNC had higher delivery medical costs than those with adequate PNC, adjusted for all covariates. Conclusion: Delivery involving SMM was associated with nearly doubled medical costs. Additionally, inadequate PNC increased the medical costs of delivery. The current study confirmed the burden of SMM and found that adequate PNC might be a useful preventive factor in reducing medical costs. Tweetable abstract: We found that women with severe maternal morbidity and inadequate prenatal care had increased medical costs during delivery hospitalisation.

Original languageEnglish
Pages (from-to)1623-1631
Number of pages9
JournalBJOG: An International Journal of Obstetrics and Gynaecology
Volume126
Issue number13
DOIs
Publication statusPublished - 2019 Dec 1

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Prenatal Care
Cohort Studies
Mothers
Morbidity
Costs and Cost Analysis
Economic Inflation
National Health Programs
Hospitalization
Centers for Disease Control and Prevention (U.S.)
Korea
Population
Retrospective Studies
Outcome Assessment (Health Care)

All Science Journal Classification (ASJC) codes

  • Obstetrics and Gynaecology

Cite this

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title = "Do severe maternal morbidity and adequate prenatal care affect the delivery cost? A nationwide cohort study for 11 years with follow up",
abstract = "Objective: To explore whether severe maternal morbidity (SMM) and adequate prenatal care (PNC) affect delivery cost. Design: Population-based retrospective cohort study. Setting: National Health Insurance Service National Sample Cohort in Korea. Population: A total of 90 035 deliveries in 2003 and 2013. Methods: Severe maternal morbidity was determined using the Centers for Disease Control and Prevention's algorithm. Delivery medical costs were calculated by estimating claimed total medical costs using year-specific inflation adjustment factors. Adequate PNC was estimated by the Kessner Adequacy of Prenatal Care Index. To estimate adjusted mean delivery medical costs related to SMM, we applied a generalised estimating equation model with log link and γ distribution, by adjusting for all covariates. Main outcome measures: Delivery cost was calculated by estimating claimed total medical cost during delivery hospitalisation using year-specific inflation. Results: Of the 90 035 deliveries, 2041 (2.27{\%}) involved SMM. Women with SMM had a greater adjusted mean cost of delivery (US$ 1,263, 95{\%} CI US$ 1,196–1,334) than those without (US$ 740, 95{\%} CI US$ 729–750). Interestingly, women who had inadequate PNC had higher delivery medical costs than those with adequate PNC, adjusted for all covariates. Conclusion: Delivery involving SMM was associated with nearly doubled medical costs. Additionally, inadequate PNC increased the medical costs of delivery. The current study confirmed the burden of SMM and found that adequate PNC might be a useful preventive factor in reducing medical costs. Tweetable abstract: We found that women with severe maternal morbidity and inadequate prenatal care had increased medical costs during delivery hospitalisation.",
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N2 - Objective: To explore whether severe maternal morbidity (SMM) and adequate prenatal care (PNC) affect delivery cost. Design: Population-based retrospective cohort study. Setting: National Health Insurance Service National Sample Cohort in Korea. Population: A total of 90 035 deliveries in 2003 and 2013. Methods: Severe maternal morbidity was determined using the Centers for Disease Control and Prevention's algorithm. Delivery medical costs were calculated by estimating claimed total medical costs using year-specific inflation adjustment factors. Adequate PNC was estimated by the Kessner Adequacy of Prenatal Care Index. To estimate adjusted mean delivery medical costs related to SMM, we applied a generalised estimating equation model with log link and γ distribution, by adjusting for all covariates. Main outcome measures: Delivery cost was calculated by estimating claimed total medical cost during delivery hospitalisation using year-specific inflation. Results: Of the 90 035 deliveries, 2041 (2.27%) involved SMM. Women with SMM had a greater adjusted mean cost of delivery (US$ 1,263, 95% CI US$ 1,196–1,334) than those without (US$ 740, 95% CI US$ 729–750). Interestingly, women who had inadequate PNC had higher delivery medical costs than those with adequate PNC, adjusted for all covariates. Conclusion: Delivery involving SMM was associated with nearly doubled medical costs. Additionally, inadequate PNC increased the medical costs of delivery. The current study confirmed the burden of SMM and found that adequate PNC might be a useful preventive factor in reducing medical costs. Tweetable abstract: We found that women with severe maternal morbidity and inadequate prenatal care had increased medical costs during delivery hospitalisation.

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