# DLQI — Donor Lung Quality Index

> Donor Lung Quality Index (iPhone/iPad app by Covenant Data Systems, LLC.)

- Source: https://appshunter.io/ios/app/dlqi/id955272291 (this page in markdown: same URL + `.md`)
- Developer: [Covenant Data Systems, LLC](https://appshunter.io/developer/1393847632)
- Category: Medical, Education
- Price: Free
- Age rating: 12+
- Requires: iOS 15.0 · 1 MB
- Languages: American English
- Released: 2015-01-14
- Data updated: 2026-08-20
- User reviews in markdown: https://appshunter.io/ios/app/dlqi/id955272291/reviews.md

## What is DLQI?

Organ selection in lung transplantation is a complex process that factors in multiple recipient and donor elements. The final interpretation relies on the individual’s experience and best available evidence. The University of Minnesota developed a useful tool that integrates the perspective and experience of several high volume transplant centers around the world. The University of Minnesota Lung Donor Quality Index (UMN-DLQI) is a consensus-based tool that estimates the likelihood of donor offer acceptance.
	11 transplant centers world-wide participated in an on-line survey that ranked 16 lung donor-recipient factors and graded their importance on a 0-10 scale. Magnitude estimation methods were used to arrive at consensus-based weights for each factor. The final result is an index value from 0-50. 
Preliminary research suggests that an index above 40 is a sensitive and specific marker for an offer that most centers would accept. The UMN-DLQI app allows the practitioner to quickly calculate the index. The app provides a useful screening tool to remind physicians that a score equal to or above 40 deserves considerable attention. In addition, the app facilitates multicenter investigations into the utility of donor scoring. Research on the use of UMN-DLQI is still ongoing and no definite conclusions can be made about the correlation of any particular score and the transplant’s outcome.


## Version history (last 5 releases)

### 1.4 — 2022-01-03

User interface and underlying support modernized for current phone specifications.

### 1.3 — 2015-02-01

This app has been updated by Apple to display the Apple Watch app icon.

Corrected donor age categories
Minor bug corrections

### 1.2 — 2015-01-24

Adjusted DLQI cut-off to 40 per statistical analysis.

### 1.1 — 2015-01-15

You can now email donor characteristics formatted for human readability or in a "pipe separated file" for database entry.
Minor cosmetic improvements.

### 1.0 — 2015-01-13

No release notes.

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All apps by Covenant Data Systems, LLC: https://appshunter.io/developer/1393847632

## Related topics

[transplantu](https://appshunter.io/ios/topics/transplantu) · [allosure](https://appshunter.io/ios/topics/allosure) · [ummc school of medicine](https://appshunter.io/ios/topics/ummc-school-of-medicine) · [hoxworth donor](https://appshunter.io/ios/topics/hoxworth-donor)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-20.*