Learn More
OBJECTIVE Given its complexity, there is growing consensus on the need to measure patient-rated broad outcomes like health-related quality of life (HRQL) as well as discrete functions like cognition(More)
BACKGROUND Patient-reported outcome (PRO) instruments are used to evaluate the effect of medical products on how patients feel or function. This article presents the results of an ISPOR task force(More)
BACKGROUND Sleep disturbances are a common and bothersome symptom of fibromyalgia (FM). This study reports psychometric properties of a single-item scale to assess sleep quality among individuals(More)
  • 1