Table 1.
Patient Sociodemographic and Hospital Characteristics, Based on Most Frequent Hospital Assignment
| Characteristic | All Patients | P | Treated Patients | P | ||
|---|---|---|---|---|---|---|
| White | Black | White | Black | |||
| No. (%) | 121,227 (100) | 13,064 (100) | 77,234 (100) | 7252 (100) | ||
| Mean age, y | 74.3 | 73.3 | <.001 | 72.4 | 71.5 | <.001 |
| Comorbidity, No. (%) | ||||||
| 0 | 37,884 (31.3) | 3074 (23.5) | 25,527 (33.1) | 1525 (21.0) | ||
| 1 | 35,957 (29.7) | 3415 (26.1) | 24,687 (32.0) | 2212 (30.5) | ||
| 2+ | 47,386 (39.1) | 6575 (50.3) | <.001 | 27,020 (35.0) | 3515 (48.5) | <.001 |
| Grade, No. (%) | ||||||
| 1 | 6471 (5.3) | 532 (4.1) | 2499 (3.2) | 204 (2.8) | ||
| 2 | 78,744 (65.0) | 8117 (62.1) | 52,206 (67.6) | 4683 (64.6) | ||
| 3 | 32,815 (27.1) | 3983 (30.5) | 21,217 (27.5) | 2204 (30.4) | ||
| 4 | 3197 (2.6) | 432 (3.3) | <.001 | 1312 (1.7) | 161 (2.2) | <.001 |
| Stage, No. (%) | ||||||
| 1 | 50,240 (41.4) | 5548 (42.5) | 30,450 (39.4) | 3065 (42.3) | ||
| 2 | 79,987 (58.6) | 7516 (57.5) | .024 | 46,784 (60.6) | 4187 (57.7) | <.001 |
| SEER site, No. (%) | ||||||
| San Francisco | 4845 (4.0) | 500 (3.8) | 3044 (3.9) | 258 (3.6) | ||
| Connecticut | 11,256 (9.3) | 653 (5.0) | 7039 (9.1) | 381 (5.3) | ||
| Detroit | 13,238 (10.9) | 4057 (31.1) | 8537 (11.1) | 2259 (31.2) | ||
| Hawaii | 681 (0.6) | 19 (0.2) | 401 (0.5) | –a | ||
| Iowa | 10,548 (8.7) | 101 (0.8) | 6337 (8.2) | 55 (0.8) | ||
| New Mexico | 4497 (3.7) | 51 (0.4) | 2661 (3.5) | 31 (0.4) | ||
| Seattle | 9939 (8.2) | 249 (1.9) | 6402 (8.3) | 131 (1.8) | ||
| Utah | 6714 (5.5) | 21 (0.2) | 4023 (5.2) | –a | ||
| Atlanta | 3932 (3.2) | 1356 (10.4) | 2947 (3.8) | 813 (11.2) | ||
| San Jose | 3385 (2.8) | 82 (0.6) | 1956 (2.5) | 47 (0.7) | ||
| Los Angeles | 9630 (7.9) | 1045 (8.0) | 6140 (8.0) | 516 (7.1) | ||
| Rural Georgia | 277 (0.2) | 131 (1.0) | 183 (0.2) | 67 (0.9) | ||
| Greater California | 15,230 (12.6) | 558 (4.3) | 9828 (12.7) | 336 (4.6) | ||
| Kentucky | 6481 (5.4) | 434 (3.3) | 4077 (5.3) | 250 (3.45) | ||
| Louisiana | 6016 (5.0) | 1893 (14.5) | 3703 (4.8) | 906 (12.5) | ||
| New Jersey | 14,558 (12.0) | 1914 (14.65) | <.001 | 9956 (12.9) | 1180 (16.3) | <.001 |
| Diagnosis year, No. (%) | ||||||
| 1995 | 6968 (5.8) | 661 (5.1) | 4052 (5.3) | 346 (4.8) | ||
| 1996 | 6680 (5.5) | 697 (5.3) | 3965 (5.1) | 376 (5.2) | ||
| 1997 | 6900 (5.7) | 764 (5.9) | 4201 (5.4) | 424 (5.9) | ||
| 1998 | 6587 (5.4) | 707 (5.4) | 4083 (5.3) | 372 (5.1) | ||
| 1999 | 7148 (5.9) | 711 (5.4) | 4580 (5.9) | 382 (5.3) | ||
| 2000 | 14,042 (11.6) | 1453 (11.1) | 9061 (11.7) | 768 (10.6) | ||
| 2001 | 15,357 (12.7) | 1622 (12.4) | 9861 (12.8) | 871 (12.0) | ||
| 2002 | 16,209 (13.4) | 1771 (13.6)) | 10,500 (13.6) | 983 (13.6) | ||
| 2003 | 14,709 (12.1) | 1627 (12.5) | 9503 (12.3) | 943 (13.0) | ||
| 2004 | 13,889 (11.5) | 1627 (12.5) | 9153 (11.9) | 915 (12.6) | ||
| 2005 | 12,738 (10.5) | 1424 (10.9) | .001 | 8275 (10.7) | 872 (12.0) | <.001 |
| Marital status, No. (%) | ||||||
| Married | 86,886 (71.7) | 7099 (54.3) | 59,779 (77.4) | 4411 (60.8) | ||
| Unmarried | 22,494 (18.6) | 4771 (36.5) | 12,547 (16.3) | 2374 (32.7) | ||
| Unknown | 11,847 (9.8) | 1194 (9.1) | <.001 | 4908 (6.4) | 467 (6.4) | <.001 |
| Income quartile, No. (%) | ||||||
| 1 (lowest) | 25,857 (21.3) | 7720 (59.1) | 14,748 (19.1) | 3982 (54.9) | ||
| 2 | 30,818 (25.4) | 2752 (21.1) | 19,279 (25.0) | 1620 (22.3) | ||
| 3 | 31,936 (26.3) | 1637 (12.5) | 21,022 (27.2) | 1052 (14.5) | ||
| 4 (highest) | 32,616 (26.9) | 955 (7.3) | <.001 | 22,185 (28.7) | 598 (8.3) | <.001 |
| Treatment, No. (%) | ||||||
| None | 43,993 (36.3) | 5812 (44.5) | – | – | ||
| Prostatectomy | 24,620 (20.3) | 1992 (15.3) | 24,620 (31.9) | 1992 (27.5) | ||
| Radiation | 52,614 (43.4) | 5260 (40.3) | <.001 | 52,614 (68.1) | 5260 (72.5) | <.001 |
| Hospital racial composition, No. (%) | ||||||
| <8% black | 80,372 (66.3) | 1832 (14.0) | 50,430 (65.3) | 1097 (15.1) | ||
| 8% to <30% black | 34,564 (28.5) | 4963 (38.0) | 22,842 (29.6) | 2840 (39.2) | ||
| 30%+ black | 6291 (5.2) | 6269 (48.0) | <.001 | 3962 (5.1) | 3315 (45.7) | <.001 |
| Hospital ownership, No. (%) | ||||||
| Government | 12,528 (10.3) | 1360 (10.4) | 7552 (9.8) | 613 (8.5) | ||
| Not for profit | 89,535 (73.9) | 8687 (66.5) | 57,727 (74.7) | 4974 (68.6) | ||
| For profit | 10,415 (8.6) | 1066 (8.2) | 6342 (8.2) | 497 (6.9) | ||
| Unknown | 8749 (7.2) | 1951 (14.9) | <.001 | 5613 (7.3) | 1168 (16.1) | <.001 |
| Hospital type, No. (%) | ||||||
| General | 73,392 (60.5) | 5653 (43.3) | 70,390 (91.1) | 5981 (82.5) | ||
| Specialty | 23,515 (19.4) | 3608 (27.6) | 959 (1.2) | 82 (1.1) | ||
| Unknown | 24,320 (20.1) | 3803 (29.1) | <.001 | 5885 (7.6) | 1189 (16.4) | <.001 |
| Hospital bed size, No. (%) | ||||||
| <250 beds | 73,392 (60.5) | 5653 (43.3) | 45,667 (59.1) | 3051 (42.1) | ||
| 250+ | 23,515 (19.4) | 3608 (27.6) | 16,204 (21.0) | 2100 (29.0) | ||
| Unknown | 24,320 (20.1) | 3803 (29.1) | <.001 | 15,363 (19.9) | 2101 (29.0) | <.001 |
| Teaching status, No. (%) | ||||||
| Not teaching | 90,059 (74.3) | 6727 (51.5) | 56,259 (72.8) | 3609 (49.8) | ||
| Teaching | 22,404 (18.5) | 4386 (33.6) | 15,354 (19.9) | 2475 (34.1) | ||
| Unknown | 8764 (7.2) | 1951 (14.9) | <.001 | 5621 (7.3) | 1168 (16.1) | <.001 |
| Hospital % Medicaid, No. (%) | ||||||
| 1 (lowest) | 28,448 (23.5) | 2910 (22.3) | 19,093 (24.7) | 1748 (24.1) | ||
| 2 | 18,601 (23.6) | 1924 (14.7) | 17,889 (23.2) | 1063 (14.7) | ||
| 3 | 27,859 (22.3) | 2983 (22.8) | 17,668 (22.9) | 1563 (21.6) | ||
| 4 (highest) | 27,570 (22.7) | 3296 (25.2) | 16,971 (22.0) | 1710 (23.6) | ||
| Unknown | 8749 (7.2) | 1951 (14.9) | <.001 | 5613 (7.3) | 1168 (16.1) | <.001 |
| Prostate cancer volume, No. (%) | ||||||
| 1 (lowest) | 39,263 (25.0) | 3374 (25.8) | 17,577 (22.8) | 1578 (21.8) | ||
| 2 | 30,560 (25.2) | 3148 (24.1) | 19,517 (25.3) | 1754 (24.2) | ||
| 3 | 30,991 (25.6) | 2425 (18.6) | 20,277 (26.3) | 1476 (20.4) | ||
| 4 (highest) | 29,413 (24.3) | 4117 (31.5) | <.001 | 19,863 (25.7) | 2444 (33.7) | <.001 |
Abbreviation: SEER, Surveillance, Epidemiology, and End Results
a
Cell values suppressed due to small sample size.