Table 2.

C-statistics for three selected models (see methods) stratified by age. C-statistics were calculated based on estimated regression parameters in the imputed dataset of cohorts where family history was available (7,509 prostate cancer cases and 7,652 controls).

Age	Model 1: Family History	Model 2: Genetics	Model 3: Genetics + Family History
−60	0.547 (0.530–0.564)	0.663 (0.637–0.689)	0.679 (0.654–0.705)
61–65	0.526 (0.515–0.536)	0.646 (0.625–0.666)	0.654 (0.633–0.674)
66–70	0.531 (0.523–0.540)	0.632 (0.616–0.649)	0.645 (0.628–0.661)
71–75	0.523 (0.513–0.533)	0.630 (0.611–0.648)	0.636 (0.617–0.655)
75+	0.505 (0.489–0.521)	0.599 (0.571–0.626)	0.599 (0.571–0.626)