Assessing Usability and Ambulatory Clinical Staff Satisfaction with Two Electronic Health Records.

Usability perceptions can be affected by role and EHR system. OPs consistently denoted less usability overall and were more affected by EHR system than non-OPs. While there was greater perceived usability for EpicCare© to perform tasks related to care coordination, documentation and error prevention, there were persistent shortcomings regarding tab navigation and cognitive burden reduction, which have implications on provider efficiency and wellness.