Table 5.

Predicted Risk of Prostate Cancer in General Population

Percentile	Lifetime Risk (95% CI)	Incidence Rate Ratio (95% CI)	10-Year Risk at Age 50 (95% CI)	10-Year Risk at Age 60 (95% CI)	NNS	Age at which Risk > 2.11%
5	0.044 (0.043–0.053)	0.29 (0.28–0.35)	0.006 (0.006–0.007)	0.018 (0.017–0.021)	5477	64.3
10	0.059 (0.057–0.068)	0.39 (0.38–0.45)	0.008 (0.008–0.010)	0.023 (0.023–0.027)	4103	58.5
20	0.081 (0.079–0.089)	0.54 (0.53–0.60)	0.012 (0.011–0.013)	0.033 (0.032–0.036)	2949	54.8
30	0.100 (0.099–0.108)	0.69 (0.67–0.74)	0.014 (0.014–0.016)	0.041 (0.040–0.044)	2353	52.8
40	0.120 (0.119–0.125)	0.83 (0.82–0.87)	0.017 (0.017–0.018)	0.049 (0.049–0.051)	1956	51.3
50	0.140 (0.139–0.143)	0.98 (0.98–1.01)	0.021 (0.021–0.021)	0.058 (0.058–0.059)	1656	50.1
60	0.162 (0.162–0.163)	1.16 (1.16–1.17)	0.024 (0.024–0.025)	0.068 (0.068–0.068)	1411	49.0
70	0.189 (0.186–0.189)	1.38 (1.36–1.38)	0.029 (0.029–0.029)	0.080 (0.079–0.080)	1196	48.0
80	0.223 (0.216–0.224)	1.67 (1.61–1.68)	0.035 (0.034–0.035)	0.097 (0.093–0.097)	994	46.9
90	0.275 (0.261–0.278)	2.17 (2.03–2.19)	0.045 (0.042–0.046)	0.123 (0.116–0.125)	779	45.6
95	0.323 (0.302–0.327)	2.66 (2.43–2.71)	0.055 (0.051–0.056)	0.149 (0.137–0.151)	645	44.6

The incidence rate ratio is computed with reference to the general population. The following abbreviations are sued: CI, confidence interval; NNS, number of individuals that need to be screened in order to prevent one cancer death.