Does Experience Rating Improve Obstetric Practices? Evidence from Italy.

Area of Science:

• Health Economics
• Medical Practice Analysis
• Public Health Policy

Background:

• Medical malpractice litigation and insurance can influence clinical decision-making.
• Understanding the impact of liability pressure on obstetric practices is crucial for patient safety and resource allocation.

Purpose of the Study:

• To estimate the effect of increased malpractice pressure on obstetric practices in Piedmont, Italy.
• To determine if changes in C-section rates are linked to physician discretion or patient selection.

Main Methods:

• Utilized inpatient discharge records from Piedmont, Italy.
• Employed a difference-in-differences analysis exploiting hospital locations relative to court districts with varying damage schedules.
• Analyzed both the full sample and a subsample of hospitals near court district boundaries.

Main Results:

• An increase in medical malpractice pressure was associated with a 2.3 to 3.7 percentage point decrease (7-11.6%) in C-section rates.
• No significant impact on medical complications or neonatal outcomes was observed.
• The observed reduction in C-sections is attributable to decreased physician discretion in decision-making.

Conclusions:

• Heightened malpractice pressure can lead to changes in obstetric practices, specifically a reduction in C-section rates.
• These practice changes appear driven by a decrease in the variability of clinical judgment rather than selective patient care.
• The findings have implications for healthcare policy regarding medical liability and its influence on clinical practice.