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Comparison of prostate benign tissue Ki-67 immunohistochemistry number of positive cells/high-power field (200x, which is 10x objective eyepiece x 20x magnification) level changes between treatment groups. Changes in Ki-67 level from pre- to post-intervention between treatment groups were compared using mixed effect model. Values shown indicate least-squares means of (LSMEANS ± SE) pre-to-post change of Ki-67 level by treatment group.
