Table 1.
Demographics, treatment approach, and Charlson comorbidity index by race for patients ≥65 years of age with T1a renal cell carcinoma, SEER-Medicare 1995–2007.
| White | (%) | Black | (%) | p-valuea | ||
|---|---|---|---|---|---|---|
| N | 6092 | (90.8) | 617 | (9.2) | ||
| Age | <0.01 | |||||
| 65–69 | 1536 | (25.2) | 213 | (34.5) | ||
| 70–74 | 1722 | (28.3) | 199 | (32.3) | ||
| 75–79 | 1591 | (26.1) | 131 | (21.2) | ||
| 80–84 | 873 | (14.3) | 48 | (7.8) | ||
| >85 | 370 | (6.1) | 26 | (4.2) | ||
| Managementb | <0.01 | |||||
| RN | 3933 | (64.5) | 352 | (57.1) | ||
| PN | 1554 | (25.5) | 162 | (26.3) | ||
| DT | 605 | (9.9) | 103 | (16.7) | ||
| Sex | <0.01 | |||||
| Male | 3389 | (55.6) | 306 | (49.6) | ||
| Female | 2703 | (44.4) | 311 | (50.4) | ||
| Residencec | <0.01 | |||||
| Large Metro | 3515 | (57.7) | 479 | (77.6) | ||
| Metro | 1637 | (26.9) | 107 | (17.3) | ||
| Urban | 368 | (6.0) | 18 | (2.9) | ||
| Less Urban | 477 | (7.8) | - | - | ||
| Rural | 95 | (1.6) | - | - | ||
| Marital Status | <0.01 | |||||
| Married | 3879 | (65.9) | 289 | (48.9) | ||
| Not Married | 2010 | (34.1) | 302 | (51.1) | ||
| CCId | <0.01 | |||||
| 0 | 3224 | (52.9) | 246 | (39.9) | ||
| 1 | 1694 | (27.8) | 188 | (30.5) | ||
| 2 | 690 | (11.3) | 89 | (14.4) | ||
| 3 | 250 | (4.1) | 49 | (7.9) | ||
| 4+ | 234 | (3.8) | 45 | (7.3) | ||
| Tumor Size | 0.833 | |||||
| <2 cm | 945 | (15.6) | 90 | (14.7) | ||
| 2–<3cm | 2077 | (34.2) | 214 | (34.9) | ||
| 3–4 cm | 3057 | (50.3) | 310 | (50.5) | ||
| Year of Diagnosis | 0.58 | |||||
| 1995–1999 | 890 | (14.6) | 98 | (15.9) | ||
| 2000–2003 | 1985 | (32.6) | 191 | (31.0) | ||
| 2004–2007 | 3217 | (52.8) | 328 | (53.2) | ||
a
Chi-square (χ2) test
b
RN: Radical nephrectomy; PN: Partial nephrectomy; DT: Deferred therapy
c
values suppressed according to SEER-Medicare regulations for cell sizes <11
d
Charlson comorbidity index