Table 1.
Characteristics of men with prostate cancer by number of PSA testing received from 2000 to 2005 prior to diagnosis; SEER-Medicare database. (n=22,047)
| Number of PSA screening test from 2000 to 2005 *, n (%) | |||||
|---|---|---|---|---|---|
| Characteristics | Never (n = 1446) | 1 (n = 3692) | 2 (n = 3362) | 3 (n = 3530 ) | 4 to 6 (n = 10017) |
| Age, y | |||||
| Mean age (SD) | 77.4 (5.8) | 77.3 (5.6) | 76.8 (5.4) | 76.6 (5.1) | 76.7 (4.9) |
| Age, % | |||||
| 70–74 | 569 (39) | 1388 (38) | 1406 (42) | 1499 (42) | 3934 (39) |
| 75–79 | 413 (29) | 1146 (31) | 1007 (30) | 1093 (31) | 3422 (34) |
| 80–84 | 272 (19) | 706 (19) | 606 (18) | 637 (18) | 1941 (19) |
| 85+ | 192 (13) | 452 (12) | 343 (10) | 301 (9) | 720 (7) |
| Race, % | |||||
| White | 1109 (77) | 2915 (79) | 2708 (81) | 2956 (84) | 8562 (86) |
| Black | 241 (17) | 462 (13) | 351 (10) | 284 (8) | 614 (6) |
| Others | 96 (7) | 315 (9) | 303 (9) | 290 (8) | 841 (8) |
| Region, % | |||||
| West | 647 (45) | 1582 (43) | 1605 (48) | 1717 (49) | 4809 (48) |
| Northeast | 295 (20) | 759 (21) | 676 (20) | 707 (20) | 2231 (22) |
| North Central | 155 (11) | 533 (14) | 459 (14) | 534 (15) | 1528 (15) |
| South | 349 (24) | 818 (22) | 622 (19) | 572 (16) | 1449 (14) |
| Lived in ZIP code tabulation area in which 25% or more of adults had a college education, % | |||||
| 503 (35) | 1329 (36) | 1360 (41) | 1636 (46) | 5347 (53) | |
| Median annual income of ZIP code tabulation area, $ | 40,771 | 42,365 | 45,111 | 46,712 | 50,721 |
| Marital Status, % | |||||
| Married | 830 (57) | 2198 (59) | 2096 (62) | 2335 (66) | 6904 (69) |
| Health Status Based on Charlson Score, % | |||||
| 0 (Good) | 1251 (87) | 3089 (84) | 2706 (81) | 2806 (80) | 7964 (80) |
| 1 (Average) | 135 (9) | 412 (11) | 462 (14) | 515 (15) | 1552 (16) |
| >=2 (Poor) | 60 (4) | 191 (5) | 194 (6) | 209 (6) | 501 (5) |
| No. of physician visits one year before Cancer diagnosis** | |||||
| 1st Quartile | 972 (67) | 1495 (40) | 968 (29) | 810 (23) | 1590 (16) |
| 2nd Quartile | 190 (13) | 898 (24) | 867 (26) | 930 (26) | 2508 (25) |
| 3rd Quartile | 131 (9) | 704 (19) | 786 (23) | 938 (27) | 2938 (29) |
| 4th Quartile | 153 (11) | 595 (16) | 741 (22) | 852 (24) | 2981 (30) |
*
Difference across number of PSA tests received prior to diagnosis were statistically significant (p<.001) for all characteristics.
**
Number of physician visits one year before cancer diagnosis was grouped by quartile: 1st: 0 to 7 times; 2nd: 8 to 13; 3rd: 14 to 23; 4th: 24 and above.