Table 2.

Histopathology of TMA cores and their 45S signal positivity ratios

Histologic typeNumber of cores annotated (number of patients)Mean 45S positivity (SD)P valuea
Benign prostate epithelium165 (60)0.04 (0.007)
Atrophy28 (17)0.04 (0.006)0.5572
Total PIN24 (21)0.07 (0.005)0.0001
Carcinoma352 (64)0.08 (0.004)0.0001
  • aP values show comparison of 45S signals with that of benign epithelium by Kruskal–Wallis.