|
Parameter
|
SEER series (N = 1216)
|
|---|
|
No.
|
%
|
|---|
|
Age, years
|
|
< 70
|
712
|
58.6
|
|
≥ 70
|
504
|
41.4
|
|
Sex
|
|
Male
|
619
|
50.9
|
|
Female
|
597
|
49.1
|
|
Race
| | |
|
White
|
1014
|
83.4
|
|
Black
|
95
|
7.8
|
|
Others
|
107
|
8.8
|
|
Location
|
|
Head
|
646
|
53.1
|
|
Others
|
570
|
46.9
|
|
Size (cm)a
|
|
< 3 cm
|
313
|
36.9
|
|
≥ 3 cm
|
535
|
63.1
|
|
Gradeb
|
|
Low, intermediate
|
635
|
74.9
|
|
High
|
213
|
25.1
|
|
AJCC 7th edition
|
|
IA
|
124
|
10.2
|
|
IB
|
133
|
10.9
|
|
IIA
|
190
|
15.6
|
|
IIB
|
314
|
25.8
|
|
III
|
45
|
3.7
|
|
IV
|
410
|
33.7
|
|
AJCC 8th edition
|
|
IA
|
155
|
12.7
|
|
IB
|
144
|
11.8
|
|
IIA
|
148
|
12.2
|
|
IIB
|
207
|
17.0
|
|
III
|
152
|
12.5
|
|
IV
|
410
|
33.7
|
- SEER Surveillance, Epidemiology, and End Results program, AJCC American Joint Committee on Cancer
- a848 patients in the SEER database had data of size
- b848 patients in the SEER database had grade information
