Objective: The purpose of this study is to assess the data quality using Achilles (especially to test new added rules and to establish data density thresholds for some of the rules.

Rationale: Data quality is an important assumption for conducting valid studies.

Project Leads: Vojtech Huser

Coordinating Institution(s): NIH (IRP)

** Additional Participants:** (currently seeking additional collaborators)

Full Protocol: https://github.com/OHDSI/StudyProtocolSandbox/blob/master/DataQuality/extras/DataQualityStudyProtocol.md

Initial Proposal Date: May 2016

Launch Date: Sep 20, 2016

Study Closure Date: TBD

Results Submission: Email or using OHDSI bucket (keys provided by email by the PI)