Table 2 Demographic and Clinical Characteristics (SEER-Medicare, incident PCa cases ≥ 65 years old diagnosed during 1991-2002)
Characteristic | Stage I | Stage II | Stage III | Stage IV | All | |||||
|---|---|---|---|---|---|---|---|---|---|---|
N, % | 71,861 | 51.1% | 25,590 | 18.2% | 22,103 | 15.7% | 21,011 | 14.9% | 140,565 | 100.0% |
Age at study index | ||||||||||
Mean (SD) | 73.8 | (5.8) | 72.9 | (5.8) | 71.3 | (5.3) | 75.30 | (7.2) | 73.5 | (6.1) |
Median | 73 | 72 | 70 | 74 | 73 | |||||
Age (5-year categories), N, %: | ||||||||||
65-69 | 18,974 | 26.4% | 8,715 | 34.1% | 9,738 | 44.1% | 5,424 | 25.8% | 42,851 | 30.5% |
70-74 | 22,922 | 31.9% | 7,844 | 30.7% | 7,378 | 33.4% | 5,401 | 25.7% | 43,545 | 31.0% |
75-79 | 18,140 | 25.2% | 5,486 | 21.4% | 3,230 | 14.6% | 4,349 | 20.7% | 31,205 | 22.2% |
80-84 | 8,235 | 11.5% | 2,428 | 9.5% | 1,177 | 5.3% | 3,261 | 15.5% | 15,101 | 10.7% |
85+ | 3,590 | 5.0% | 1,117 | 4.4% | 580 | 2.6% | 2,576 | 12.3% | 7,863 | 5.6% |
Race, N, %: | ||||||||||
White | 58,410 | 81.3% | 20,674 | 80.8% | 18,327 | 82.9% | 15,873 | 75.6% | 113,284 | 80.6% |
Black | 7,448 | 10.4% | 2,661 | 10.4% | 1,839 | 8.3% | 2,935 | 14.0% | 14,883 | 10.6% |
Asian | 2,572 | 3.6% | 916 | 3.6% | 807 | 3.7% | 861 | 4.1% | 5,073 | 3.6% |
Other | 3,431 | 4.7% | 1,339 | 5.2% | 1,130 | 5.1% | 1,342 | 6.3% | 7,325 | 5.2% |
Geographic region, N, %: | ||||||||||
Midwest | 14,040 | 19.5% | 4,531 | 17.7% | 4,216 | 19.1% | 4,357 | 20.7% | 27,144 | 19.3% |
Northeast | 12,303 | 17.1% | 3,416 | 13.4% | 2,041 | 9.2% | 2,426 | 11.6% | 20,186 | 14.4% |
South | 7,024 | 9.8% | 2,362 | 9.2% | 1,566 | 7.1% | 1,588 | 7.6% | 12,540 | 8.9% |
West | 38,494 | 53.6% | 15,281 | 59.7% | 14,280 | 64.6% | 12,640 | 60.2% | 80,695 | 57.4% |
Predicted mean survival time (SD) in months | 172 | (85.9) | 180.1 | (95.8) | 196.3 | (107.0) | 43.7 | (39.1) | 158.2 | (99.2) |
Mean survival time (SD) in months | ||||||||||
Initial | 5.8 | (1.1) | 5.8 | (1.1) | 5.8 | (1.1) | 4.4 | (2.5) | 5.6 | (1.5) |
Continuing | 154.9 | (85.0) | 162.9 | (95.1) | 179.2 | (106.2) | 29.2 | (36.5) | 141.4 | (98.0) |
Terminal | 11.8 | (1.2) | 11.8 | (1.1) | 11.8 | (1.7) | 10.6 | (3.1) | 11.6 | (1.7) |