KRT7 and bone metastasis: KRT7-high expression (>80th percentile) was also found to be statistically significant in a multivariable model (HR = 2.907, p = 0.014) and identified as an independent marker to predict the onset of bone metastasis, but with lower predictive capacity than the Gleason score (HR = 27.014, p < 0.001) (Table 1).