A Difference-In-Differences Analysis of New Persistent Opioid Use After Surgery
Clinical trial NCT04805229 · COMPLETED
Trial details
- NCT number
- NCT04805229
- Sponsor
- University of Michigan
- Status
- COMPLETED
- Study type
- OBSERVATIONAL
- Start date
- 2013-01-01
- Primary completion
- 2019-12-31
- Enrollment
- 30000
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