Table 1.

Basic characteristics of the study group

Feature	N (%)
Gender
Male	45 (55)
Female	37 (45)
Age	Median: (IQR years) 66 (60–72)
Grade
G2-G3	55 (67)
G4	27 (33)
Sarcomatoid features
No	76 (93)
Yes	6 (7)
Rhabdoid features
No	73 (89)
Yes	9 (11)
T
3a	79 (96.5)
3b	1 (1.5)
3c	–
4	1 (1.5)
N
0	67 (73)
1	15 (27)
M
0	59 (72)
1	23 (28)
Tumor necrosis
Present	38 (46)
Absent	44 (54)
Death during follow-up
No	52 (63)
Yes	30 (37)

IQR interquartile range