TABLE 1—
Characteristics of 1509 Prostate Cancer Patients With Known Stage at Diagnosis, by Race: 4 North American Metropolitan Areas, 1987–1991
| Asian American | |||||
| Variable | African American, No. (%) | White, No. (%) | North American Born, No. (%) | Foreign Born, No. (%) | Total, No. (%) |
| Known stage | 472 | 484 | 396 | 157 | 1509 |
| Local | 277 (59) | 343 (71) | 267 (67) | 91 (58) | 978 (65) |
| Regional | 89 (19) | 85 (18) | 83 (21) | 34 (22) | 291 (19) |
| Distant | 106 (23)* | 56 (12) | 46 (12) | 32 (20)** | 240 (16) |
| Known grade | 433 | 466 | 375 | 144 | 1418 |
| Well differentiated | 109 (25) | 121 (26) | 112 (30) | 44 (31) | 386 (27) |
| Moderately differentiated | 221 (51) | 241 (52) | 162 (43) | 67 (47) | 691 (49) |
| Poorly differentiated | 96 (22) | 99 (21) | 98 (26) | 32 (22) | 325 (23) |
| Undifferentiated | 7 (2) | 5 (1) | 3 (.8) | 1 (.7) | 16 (1) |
| Age at diagnosis, y | 68.9* | 70.5 | 70.6 | 72.9* | 70.5 |
| Completed high school | 234 (50)* | 412 (85) | 274 (69)* | 92 (59)* | 1012 (67) |
| Live in less-educated tracta | 272 (58)* | 43 (9) | 81 (21)* | 59(38)* | 544 (36) |
| Live in low-income tractb | 332 (71)* | 57 (12) | 69 (18)*** | 75 (49)* | 533 (36) |
| Cardiovascular condition | 120 (26)*** | 155 (32) | 86 (22)* | 23 (15)* | 384 (26) |
| Hypertension | 259 (55)* | 187 (39) | 169 (43) | 61 (39) | 676 (45) |
| Vital status | |||||
| Alive | 197 (42)* | 283 (58) | 231 (58) | 67 (43)** | 778 (52) |
| Deceased, prostate cancer | 122 (26) | 77 (16) | 69 (17) | 34 (22) | 302 (20) |
| Deceased, other causes | 153 (32) | 124 (26) | 96 (24) | 56 (36) | 429 (28) |
| Total person-years | 2686 | 3176 | 2939 | 1008 | 9809 |
Note. Unadjusted comparison of African Americans or Asian Americans with Whites. Means were compared with the Student t test. Proportions were compared with the χ2 test of association.
a≤ 70% of eligible individuals in the census tract completed high school.
b≥ 11% of families in the census tract live below the poverty line.
*P = .001; **P = .005; ***P = .05; all tests are 2-tailed.