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title: Mechanism of Missingness Manuscript Request
---

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# Identifying the mechanism of missingness for unspecified diabetic retinopathy disease severity in the electronic health record: an IRIS®  Registry analysis

## Access Your Copy of the Manuscript

This published study was conducted by a team of Verana Health researchers, including senior author Durga Borkar, MD, MMCi, and first authors Meghan Hatfield, MPH, and Thai Hien Nguyen, MPH from the Quantitative Sciences department.

Manuscript Details:

- Analyzes American Academy of Ophthalmology IRISⓇ Registry (Intelligent Research in Sight) data to investigate the mechanism of missingness for diabetic retinopathy (DR) severity based on International Classification of Disease coding
- Highlights a non-random association between electronic health record (EHR) data regarding the severity of DR in patients and specific demographic, clinical, and practice-level characteristics
- Demonstrates how real-world data from EHRs in medical registries can allow for a deeper understanding of data trends, patterns, or gaps by filling in the missing pieces and providing deeper context

 

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