Table 1.
Characteristics of 77,363 Renal Cell Carcinoma (RCC) Cases Diagnosed in California, 1988–2013
| Characteristic | N | % | |
| Sex | Male | 49,538 | 64.0 |
| Female | 27,825 | 36.0 | |
| Race/Ethnicity | White non-Hispanic | 49,169 | 63.6 |
| African American | 5,646 | 7.3 | |
| Hispanic | 16,687 | 21.6 | |
| Asian/Pacific Islander | 5,030 | 6.5 | |
| Other/Unknown | 831 | 1.1 | |
| Age at Diagnosis | 20–44 | 6,437 | 8.3 |
| 45–54 | 13,031 | 16.8 | |
| 55–64 | 19,912 | 25.7 | |
| 65–74 | 20,887 | 27.0 | |
| 75 + | 17,096 | 22.1 | |
| Median Age (years) | 65 (1988)–64 (2013) | ||
| Stage at Diagnosis | Localized | 47,992 | 62.0 |
| Regional | 12,538 | 16.2 | |
| Distant | 13,521 | 17.5 | |
| Unknown | 3,312 | 4.3 | |
| Histologic Type | Clear Cell | 32,501 | 42.0 |
| Papillary | 4,914 | 6.3 | |
| RCC, not otherwise specified | 36,375 | 47.0 | |
| Chromophobe | 2,448 | 3.2 | |
| Sarcomatoid (spindle cell) | 841 | 1.1 | |
| Cyst-Associated | 311 | 0.4 | |
| Tumor Grade | I | 8,113 | 10.5 |
| II | 24,538 | 31.7 | |
| III/IV | 16,141 | 20.9 | |
| Unknown | 28,571 | 36.9 | |
| Mean Tumor Size (cm) | 7.0 (1988)–5.4 (2013) | ||
| Tumor size (cm) | 0.1–4.0 | 27,752 | 35.9 |
| 4.1–7.0 | 21,462 | 27.7 | |
| 7.1–10.0 | 11,915 | 15.4 | |
| >10.0 | 8,351 | 10.8 | |
| Unknown | 7,883 | 10.2 | |
| Surgical Treatment | Excision/Partial Nephrectomy | 14,152 | 18.3 |
| Total/Radical Nephrectomy | 44,705 | 57.8 | |
| Surgery, not otherwise specified | 2,166 | 2.8 | |
| No Surgery | 15,869 | 20.5 | |
| Unknown | 471 | 0.6 | |
| SES Level | 1 (lowest) | 12,083 | 15.6 |
| 2 | 14,579 | 18.8 | |
| 3 | 15,840 | 20.5 | |
| 4 | 15,825 | 20.5 | |
| 5 (highest) | 15,500 | 20.0 | |
| Missing | 3,536 | 4.6 |