Table A2.
Prostate Cancer Sample Characteristics
| Characteristic | With PSA Data | Without PSA Data |
|---|---|---|
| No. | 32,904 | 18,809 |
| Age at diagnosis, mean (SD), years | 74 (5) | 74 (5) |
| Married, No. (%) | 24,379 (74.1) | 13,863 (73.7) |
| Household income*, No. (%) | ||
| Higher | 13,207 (40.1) | 7,481 (39.8) |
| Lower | 19,697 (59.9) | 11,328 (60.2) |
| Race, No. (%) | ||
| White | 27,159 (82.5) | 16,061 (85.4) |
| Black | 3,506 (10.7) | 1,807 (9.6) |
| Other | 2,239 (6.8) | 941 (5.0) |
| Registry region, No. (%) | ||
| West | 12,778 (38.8) | 5,928 (31.5) |
| East | 8,112 (24.7) | 5,500 (29.2) |
| Midwest | 3,813 (11.6) | 2,566 (13.6) |
| South | 8,201 (24.9) | 4,815 (25.6) |
| Stage, No. (%) | ||
| T1 | 19,863 (60.4) | 966 (5.1) |
| T2 | 12,131 (36.9) | 1,024 (5.4) |
| T3a | 299 (0.9) | 3 (0) |
| T3b | 264 (0.8) | 7 (0) |
| T3NOS | 347 (1.0) | 16 (0) |
| Grade, No. (%) | ||
| High | 18,071 (54.9) | 5,000 (26.6) |
| Low/intermediate | 14,833 (45.1) | 13,809 (73.4) |
| Charlson Comorbidity Index, No. (%) | ||
| 0 | 22,005 (66.9) | 13,375 (71.1) |
| 1 | 7,099 (21.6) | 3,684 (19.6) |
| 2 | 2,315 (7.0) | 1,151 (6.1) |
| ≥ 3 | 1,485 (4.5) | 599 (3.2) |
| PSA, mean (SD), ng/mL | 10.3 (12.5) | NA |
| Type of RT, No. (%) | ||
| EBRT only | 20,427 (62.1) | 10,752 (57.2) |
| Brachytherapy | 7,908 (24.0) | 4,692 (24.9) |
| EBRT + brachytherapy | 4,569 (13.9) | 3,365 (17.9) |
Abbreviations: EBRT, external beam radiation therapy; NA, not applicable; NOS, not otherwise specified; PSA, prostate-specific antigen.
*
Lower household income defined as below the mean median household income of $47,290 annual salary.