Table 1.

Patient demographics and clinical characteristics

Groupa
CharacteristicRCC-Sarc (n = 40)ccRCC (n = 91)P
Age, y51 (33–88)65 (40–86)
Men34 (85)68 (75)0.25
Documented metastasis at time of tumor profiling<0.001
 Metastatic33 (83)29 (32)
 Missing7 (17)62 (68)
Sarcomatoid component (%)72 (10–100)0<0.001
Fuhrman grade<0.001
 440 (100)6 (7)
 3031 (34)
 2040 (44)
 1013 (14)
 Missing01 (1)

Abbreviation: RCC-Sarc, renal cell carcinoma with sarcomatoid differentiation.

  • aValues are median (range) or number of patients (%).