Table 1.

Characteristics of prostate cancer cases in the Health Professionals Follow-up Study

All cases (n = 1193)Lethal cases (n = 113)
Age at blood draw, y; mean (SD)64.4 (7.8)68.2 (7.9)
Age at diagnosis, y; mean (SD)69.5 (7.5)72.0 (7.8)
Stage, n, (%)
 T1, T2 (N0, M0)958 (86)62 (62)
 T3a (N0, M0)84 (8)9 (9)
 T3b (N0, M0)41 (4)8 (8)
 T4 (N0, M0)1 (0)0
 N114 (1)6 (6)
 M115 (1)15 (15)
Missing (n = 80)
Gleason grade, n (%)
 2–6618 (56)28 (30)
 7: 3 + 4 or no major score defined259 (24)19 (21)
 7: 4 + 3106 (10)12 (13)
 8 to 10119 (11)33 (36)
Missing (n = 91)
Deaths/metastases because of prostate cancer, n (%)113 (9)
 Prostate cancer deaths95
 Bone or organ metastases on follow-up (alive)13
 Distant metastases at diagnosis (alive)5
Time to diagnosis from blood draw, y; median (IQR)5.2 (2.8, 7.6)3.7 (2.0, 5.7)
Time to lethal prostate cancer (death/metastases) from diagnosis, y; median (IQR)5.5 (3.1, 8.6)