A 10-year cesarean section rate analysis in a Brazilian referral maternity hospital using the Robson's ten group classification system.

IF 1.4
Maria Laura Alves de Melo Silva, José Paulo de Siqueira Guida, Giuliane Jesus Lajos, Maria Laura Costa, Adriana Gomes Luz
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Abstract

Objective: The Robson Ten Group Classification System categorizes women into groups based on obstetric characteristics. For each group there is a suggested cesarean section rate. Robson Ten Group Classification System allows for surveillance and evaluation of increasing cesarean section rate. This study aimed to evaluate deliveries in a Brazilian referral maternity hospital in the last decade using the Robson Ten Group Classification System.

Methods: This was a retrospective cross-sectional study performed in a referral hospital, analyzing deliveries from January 2009 to August 2022. Women were classified into Robson's 10 groups based on electronic medical charts. Overall rates per year and cesarean section rate within each group were calculated and compared.

Results: There was an increasing cesarean section rate over time (46.23% in 2009 vs 62.99% in 2022) in all groups. Groups 1-4, 5 and 10 had a significant increase. Among Groups 1-4 cesarean section rate increased from 34.06% to 38.59% (PR 1.132, CI 1.007-1.274), group 5 from 67.66% to 83.53% (PR 1.234, CI 1.151-1.323) and group 10 from 51.55% to 60% (PR 1.163, CI 1.017-1.332). In global analysis, groups 1-4 corresponded to 57.3% of included cases and its relative contribution to cesarean section rate was 31.6%, while group 5 represented 18.9% of cases and its relative contribution to cesarean section rate was 28.5%.

Conclusion: Groups 1-4 and 5 contributed significantly to cesarean section rate in our analysis and group 10 (preterm birth) also had a major impact, considering the high risk setting. Cesarean section rate increased over time. Groups 1, 2, 5, and 10 contribute significantly to such an increase.

10年剖宫产率分析在巴西转诊妇产医院使用罗布森的十组分类系统。
目的:罗布森十组分类系统根据产科特征对妇女进行分组。每组都有一个建议的剖宫产率。罗布森十组分类系统允许监测和评估增加剖宫产率。本研究旨在评估分娩在巴西转诊妇产医院在过去十年中使用罗布森十组分类系统。方法:这是一项在一家转诊医院进行的回顾性横断面研究,分析2009年1月至2022年8月的分娩情况。根据电子医疗图表,女性被分为罗布森的10组。计算并比较各组每年总剖宫产率和剖宫产率。结果:各组剖宫产率随时间推移呈上升趋势(2009年46.23% vs 2022年62.99%)。1 ~ 4、5、10组均有显著性升高。1 ~ 4组剖宫产率由34.06%上升至38.59%(比值比值1.132,CI 1.007 ~ 1.274), 5组由67.66%上升至83.53%(比值比值1.234,CI 1.151 ~ 1.323), 10组由51.55%上升至60%(比值比值1.163,CI 1.017 ~ 1.332)。在全球分析中,1-4组占纳入病例的57.3%,其对剖宫产率的相对贡献为31.6%;5组占18.9%,其对剖宫产率的相对贡献为28.5%。结论:1-4组和5组对剖宫产率有显著影响,考虑到高危环境,10组(早产)对剖宫产率也有重要影响。剖宫产率随时间增加。第1、2、5和10组对这种增长贡献很大。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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