Silver Book Fact
Between 62% and 83% of institutionalized elderly in the U.S. report a pain problem and 17% have substantial daily pain.
Ferrell B, Ferrell B, Rivera L. Pain in Cognitively Impaired Nursing Home Patients. J Pain & Symptom Manage. 1995; 10(8): 591-8. http://www.jpsmjournal.com/article/0885-3924(95)00121-2/abstract