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Table 3 Pain Interference and Fatigue conceptual frameworks and number of children with Crohn’s disease for whom each facet was eliciteda

From: Establishing the content validity of PROMIS Pediatric pain interference, fatigue, sleep disturbance, and sleep-related impairment measures in children with chronic kidney disease and Crohn’s disease

FacetsNo. Children Reporting
Pain Interference (impact of pain)
 Feelings of hurt24
 Climbing stairsb0
 General activities17
 Need for medicine0
Fatigue (experiences and impact of fatigue)
 Feelings of tiredness30
 Feelings of weakness8
 Climbing stairs0
 General activities16
 Performing tasks5
  1. aThe conceptual frameworks were based on the original item pool for the PROMIS measure. An b is used to denote that the facet was dropped from the item bank after psychometric evaluation of item and scale performance. Facets are listed with symptoms first, then impacts on physical, mental, social, and general functioning