Fig. 2

Lowest and highest prevalence of pain reported in the original studies, by the time point of assessing pain during the nursing home stay. Results reported independent of definition of pain, procedure used to assess pain, and severity and type of dementia in the nursing home residents with dementia participating. a = Ref [15], b = Ref [7], c = Ref [54], d = Ref [11], e = Ref [51], f = Ref [13]