5 Result(s)
-
Article
Open AccessBetter assessment of physical function: item improvement is neglected but essential
Physical function is a key component of patient-reported outcome (PRO) assessment in rheumatology. Modern psychometric methods, such as Item Response Theory (IRT) and Computerized Adaptive Testing, can materia...
-
Article
Open AccessImproved responsiveness and reduced sample size requirements of PROMIS physical function scales with item response theory
The Health Assessment Questionnaire Disability Index (HAQ) and the SF-36 PF-10, among other instruments, yield sensitive and valid Disability (Physical Function) endpoints. Modern techniques, such as Item Resp...
-
Article
Open AccessHyperuricemia and untreated gout are poor prognostic markers among those with a recent acute myocardial infarction
Patients with a history of myocardial infarction (MI) are often at risk for complications, including subsequent MI and death. Use of prognostic markers may aid in preventing these poor outcomes. Hyperuricemia ...
-
Article
Open AccessAtherosclerotic cardiovascular disease and dermatomyositis: an analysis of the Nationwide Inpatient Sample survey
Increased rates of cardiovascular disease are implicated in several rheumatologic diseases. Our aim was to characterize dermatomyositis hospitalizations and evaluate cardiovascular-associated mortality in this...
-
Article
Open AccessDevelopment and assessment of floor and ceiling items for the PROMIS physical function item bank
Disability and Physical Function (PF) outcome assessment has had limited ability to measure functional status at the floor (very poor functional abilities) or the ceiling (very high functional abilities). We s...
