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. Author manuscript; available in PMC: 2013 Jul 1.
Published in final edited form as: Pain Med. 2010 Jul;11(7):1063–1071. doi: 10.1111/j.1526-4637.2010.00883.x

Table 1.

Characteristics of the study population (N=133)

Mean age in yrs (range) 82 (65–105)
Non-Hispanic White race 74%
Female 84%
Medical comorbidity
 Mean Charlson score (range) 1.4 (0–8)
Mean number of prescription medications (range) 8.1 (1–18)
Psychiatric comorbidity
 Depression 48%
 Other disorders* 17%
Cognitive impairment 19%
Functional status
 ≥ 1 basic activity of daily living deficit 21%
 ≥ 3 instrument activity of daily living deficits 33%
History of prior opioid use 15%
*

Category includes patients with anxiety, PTSD, bipolar disorder, schizophrenia, personality disorder, delusional disorder, and substance abuse disorders.