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. Author manuscript; available in PMC: 2016 Apr 29.
Published in final edited form as: Geriatr Gerontol Int. 2013 Mar 19;13(4):1018–1025. doi: 10.1111/ggi.12049

Figure 1.

Figure 1

Box and whisker plot. The y-axis = total equivalent doses of opioid analgesic standardized to 1 mg of levorphanol = 1 equivalent dose unit (range 0–82). The x-axis = cognitive status reported in Cognitive Performance Scale (CPS) scores (range 1–6). Mild dementia = CPS of 1 and 2, moderate dementia = CPS of 3 and 4, severe dementia = CPS of 5 and 6. Note: No resident with a CPS score of 6 (n = 12) was enrolled in hospice.