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. Author manuscript; available in PMC: 2016 Jan 1.
Published in final edited form as: Alzheimer Dis Assoc Disord. 2015 Jan-Mar;29(1):75–81. doi: 10.1097/WAD.0000000000000048

Figure 1.

Figure 1

Estimated Power for an Equal-sized Two Group Comparison in Poisson Regression of a Count Outcome (assuming 20% reduction with loge(.7) under-reporting effect).