# Segmented Regression and Difference-in-Difference Methods: Assessing the Impact of Systemic Changes in Health Care

> Research article (Anesthesia & Analgesia, 2019) · cited 126× · AI/ML

**Wikidata**: [openalex:W2935699398](https://www.wikidata.org/wiki/openalex:W2935699398)  
**Source**: https://4ort.xyz/entity/segmented-regression-and-difference-in-difference-methods-assessing-the-impact-of-systemic-changes-in-health-care