EGR3 and neoplasm: Since the average ages of the tumor-bearing cases differ from that of the normal cases (Table 1), the Affymetrix expression difference for Egr3 was compared to the list of previously determined age-related changes of Jia et al. [37] based on a comparison of expression data for 15 normal prostate biopsy samples with an average age of 54 years to those for the 13 rapid autopsy samples with an average age of 84 years.