Table 1.
Clinicopathological Characteristics of Two Population-based Prostate Cancer Patient Cohorts
Seattle Cohort (N=1,309) | Swedish Cohort (N=2,875) | |||
---|---|---|---|---|
N | % | N | % | |
Age at diagnosis, years | ||||
Mean | 59.9 | 65.8 | ||
Median | 60.0 | 64.9 | ||
Range | 35.0 – 74.0 | 44.6 – 80.4 | ||
Follow-up time, years | ||||
Mean | 8.5 | 6.0 | ||
Median | 6.5 | 6.5 | ||
Range | 0.8 – 15.9 | 0.3 – 8.6 | ||
Prostate cancer-specific death | ||||
No1 | 1,249 | 95.4 | 2,374 | 82.6 |
Yes | 60 | 4.6 | 501 | 17.4 |
Age at death, years | ||||
Mean | 63.9 | 71.2 | ||
Median | 65.2 | 71.2 | ||
Range | 44.9–78.3 | 48.5–85.7 | ||
Stage | ||||
Local | 1,023 | 78.2 | 1,885 | 65.6 |
Regional | 254 | 19.4 | 651 | 22.6 |
Distant | 32 | 2.4 | 266 | 9.3 |
Missing | 0 | 0.0 | 73 | 2.5 |
Gleason score | ||||
2 – 4 | 67 | 5.1 | 106 | 3.7 |
5 – 6 | 680 | 51.9 | 1,269 | 44.1 |
7 | 432 | 33.0 | 782 | 27.2 |
8 – 10 | 126 | 9.6 | 467 | 16.2 |
Missing | 4 | 0.3 | 251 | 8.7 |
Diagnostic PSA level, ng/mL | ||||
< 4 | 178 | 13.6 | 148 | 5.1 |
4 – 9.9 | 722 | 55.2 | 993 | 34.5 |
10 – 19.9 | 191 | 14.6 | 651 | 22.6 |
≥ 20 | 118 | 9.0 | 1,003 | 34.9 |
Missing | 100 | 7.6 | 80 | 2.8 |
Primary therapy | ||||
Radical prostatectomy | 770 | 58.8 | 713 | 24.8 |
Radiation therapy | 359 | 27.4 | 682 | 23.7 |
Androgen deprivation | 61 | 4.7 | 927 | 32.2 |
None | 115 | 8.8 | 488 | 17.0 |
Other | 4 | 0.3 | 22 | 0.8 |
Missing | 0 | 0.0 | 43 | 1.5 |
Includes men who died of other causes and were censored at time of death (Seattle, n=102; Sweden, n=258)