KLK3 and posterior cortical atrophy: The 10-year risk of PCa death ranged from 12% (95% CI = 10% to 13%) in men with PSA persistence to 2.2% (95% CI = 1.8% to 2.9%) in men with low-risk relapse, whereas the risk of death from other causes ranged from 11% (95% CI = 9.0% to 12%) to 16% (95% CI = 14% to 19%), respectively (Figure 3).