“…PROMIS PF short forms (4a, 6b, 8b, 10a, 12a, 16 [custom], and 20a) demonstrated moderate to strong correlations with other PF measures, including the PF‐10, the HAQ DI, WOMAC function subscale, pain, the 6‐Minute Walk Test, gait speed, global assessment of RA activity, the Revised Fibromyalgia Impact Questionnaire function subscale, the Bath Ankylosing Spondylitis Disease Activity Index, the Systemic Lupus Activity Questionnaire, and the Functional Assessment of Cancer Therapy Physical Well‐Being subscale. Associations were evaluated in a variety of patient populations, including patients with RA, OA, fibromyalgia, ankylosing spondylitis, SLE, and other chronic conditions affecting older adults (( r or ρ = 0.50‐0.90) .…”