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Subjective risk vs. objective risk can lead to different post-cesarean birth decisions based on multiattribute
Poonam S Sharma1, Karen B Eden, Jeanne-Marie Guise
1Department of Medical Informatics and Clinical Epidemiology, Oregon Health & Science University, Portland, OR 97239-3098, USA. poonam.sharma@gmail.com
Journal of Clinical Epidemiology
|June 19, 2010
Summary
Patient priorities significantly influence birth recommendations after cesarean. A subjective risk model favored repeat cesarean, while an objective risk model favored trial of labor, highlighting the need for shared decision-making.
Area of Science:
- Maternal-Fetal Medicine
- Decision Analysis
- Health Psychology
Background:
- Vaginal birth after cesarean (VBAC) is a complex decision influenced by various risk factors.
- Previous cesarean delivery necessitates careful consideration of future birth options.
- Decision-making models can aid in navigating these complex choices.
Purpose of the Study:
- To compare birth recommendations derived from decision models utilizing absolute risks versus subjective risk interpretations for women with a prior cesarean.
- To evaluate two distinct decision models: a multiattribute model based on patient risk prioritization (subjective) and a hybrid model using absolute risks (objective).
Main Methods:
- The subjective model employed the Analytic Hierarchy Process with 96 postnatal women with prior cesarean to prioritize maternal, neonatal, and delivery experience risks.
- The hybrid model integrated patient-prioritized delivery experience with unadjusted absolute risk values.
- Statistical comparison of recommendations generated by both models.
Main Results:
- The multiattribute (subjective) model recommended repeat cesarean delivery in 73% of cases, significantly higher than the hybrid (objective) model's 18% (P<0.001).
- Subjective model favored repeat cesarean due to strong patient preference for avoiding even rare infant risks.
- Hybrid model favored trial of labor, emphasizing lower maternal risks and high VBAC success rates.
Conclusions:
- Patient priorities and nonclinical considerations are crucial in birth decisions following a cesarean.
- Effective communication between patients and clinicians regarding risk perception is essential for informed birthing choices.
- Integrating subjective patient values with objective data improves decision-making in obstetrics.
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