Table 2 –
Demographic and clinicopathological characteristics of the subcohort of patients with renal cell carcinoma (RCC)
| Characteristic | RCC (n = 175) |
|---|---|
| Median age, yr (interquartile range) | 60 (52–67) |
| Gender (n) | |
| Female | 48 |
| Male | 127 |
| Ethnicity (n) | |
| White | 159 |
| African American | 7 |
| Asian American | 2 |
| Other/not available | 7 |
| Histological subtype (n) | |
| Clear cell | 124 |
| Non–clear cell | 51 |
| Chromophobe | 17 |
| Mucinous tubular and spindle cell | 2 |
| Papillary type I | 19 |
| Papillary type II | 3 |
| Papillary (unspecified) | 4 |
| Unclassified | 6 |
| Median tumor size, cm (interquartile range) | 4.5 (2.9–7) |
| pT stage (n) | |
| T1 | 94 |
| T1a | 70 |
| T1b | 24 |
| T2 | 7 |
| T2 (unspecified) | 3 |
| T2a | 2 |
| T2b | 2 |
| T3 | 72 |
| T3 (unspecified) | 3 |
| T3a | 57 |
| T3b | 11 |
| T3c | 1 |
| T4 | 1 |
| Not available | 1 |
| pN stage (n) | |
| N0 | 61 |
| N1 | 7 |
| NX | 107 |
| pM stage (n) | |
| M0 | 152 |
| M1 | 22 |
| Not available | 2 |
| TNM stage, (n) | |
| Stage I | 94 |
| Stage II | 6 |
| Stage III | 52 |
| Stage IV | 22 |
| Not available | 1 |
| Grade (n) | |
| Not available | 35 |
| Fuhrman nuclear grade | 122 |
| 2 | 39 |
| 3 | 61 |
| 4 | 22 |
| Other grading system | 18 |
| High | 7 |
| Low | 11 |