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title: CareSignal · COPD Case Study
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### Learn how clinicians reduced COPD hospitalizations by leveraging real-time patient-reported symptoms

![case-study-copd](https://www.caresignal.health/hs-fs/hubfs/images/case-study-copd.png?width=281&name=case-study-copd.png)

CareSignal uses automated phone calls and text messages to help clinicians catch exacerbations early and efficiently. This case study will demonstrate how clinicians used CareSignal to:

- Use automation to provide proactive high-touch care
- Maintain 80-90% patient engagement
- Reduce hospitalizations for elderly, low-income COPD patients

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**![marketing-chart-hospitalizations](https://www.caresignal.health/hs-fs/hubfs/marketing-chart-hospitalizations.png?width=489&name=marketing-chart-hospitalizations.png)**

**Figure 1. **In three months, CareSignal's COPD program (formerly known as EpxCOPD) reduced hospitalization risk by 62% between the placebo and the treatment group. That is a 10% absolute risk reduction.

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