Table 1.
Demographics and Baseline Characteristics of Study Population (N=28)
| Variable | N (%) unless otherwise noted |
|---|---|
|
| |
| Age (median, range) | 55.7 (10.10) |
|
| |
| Sex | |
| Males | 23 (82.1) |
| Females | 5 (17.8) |
|
| |
| Race | |
| Caucasian | 23 (82.1) |
| Black | 1 (3.5) |
| Hispanic | 4 (14.2) |
|
| |
| Number of patients less than one year from diagnosis | 25 (89.2) |
|
| |
| Tumor Histopathology | |
| Clear cell | 9 (32.1) |
| Clear cell plus sarcomatoid features | 8 (28.5) |
| Chromophobe | 1 (3.5) |
| Papillary | 1 (3.5) |
| Unclassified/Other | 7 (28) |
| Unspecified plus sarcomatoid | 2 (7.1) |
|
| |
| Prior nephrectomy | 19 (67.8) |
|
| |
| Prior radiation | 3 (10.7) |
|
| |
| Metastasis | |
|
| |
| Number of patients with metastasis | 28 (100) |
| Mean number of metastasic sites (mean, standard deviation) | 3.29 (2.12) |
|
| |
| Mean LDH (IU) (mean, standard deviation) | 785 (657.79) |
| Number of patients with LDH >1.5 X ULN | 6 (21.43) |
|
| |
| Mean Hemoglobin (g/dL) (mean, standard deviation) | 11.27 (1.80) |
| Number of patients with Hgb <12g/dL | 23 (82.14) |
|
| |
| Mean Calcium (g/dL) (mean, standard deviation) | 9.01 (0.73) |
| Number of patients with Calcium >10.2g/dL | 3 (10.71) |
|
| |
| Total Number of Risk Factors | |
| One | 4 (14.29) |
| Two | 13 (46.43) |
| Three | 8 (28.57) |
| Four | 3 (10.71) |
| Patients with 3 or more factors | 11 (39.28) |
LDH: Lactic dehydrogenase
ULN: Upper limit of normal
Hgb: Hemoglobin
IU: International Units