Abstract Number: 1635 • 2018 ACR/ARHP Annual Meeting
Validity of Patient-Reported Outcomes Measurement Information System Measures in Ankylosing Spondylitis Patients
Background/Purpose: The Patient-Reported Outcomes Measurement Information System (PROMIS) developed by the US National Institutes of Health is a patient-reported outcomes system designed to measure disease…Abstract Number: 672 • 2015 ACR/ARHP Annual Meeting
Validity of Ankylosing Spondylitis Diagnoses in the Health Improvement Network
Background/Purpose: Because ankylosing spondylitis (AS) is relatively uncommon, large electronic medical record (EMR) databases with longitudinal follow up offer an important opportunity for epidemiologic research…