|
Characteristics
|
First-line
|
Second-line
|
All patients
|
(%)
|
|---|
| | |
No
|
(%)
|
No
|
(%)
| | |
|---|
|
Sex
|
Male
|
12
|
(100)
|
20
|
(100)
|
32
|
(100)
|
| |
Female
|
0
|
(0)
|
0
|
(0)
|
0
|
(0.0)
|
|
Age, median
| |
58
|
(45-70)
|
66
|
(54-76)
|
60.5(45~76)
|
|
ECOG PS
|
0
|
3
|
(25)
|
6
|
(30)
|
9
|
(28.1)
|
| |
1
|
9
|
(75)
|
13
|
(65)
|
22
|
(68.8)
|
| |
2
|
0
|
(0)
|
1
|
(5)
|
1
|
(3.1)
|
|
Histology
|
Squamous
|
12
|
(100)
|
20
|
(100)
|
32
|
(100)
|
|
Smoking history
|
Never
|
0
|
(0)
|
2
|
(10)
|
2
|
(6.3)
|
| |
Ever
|
12
|
(100)
|
18
|
(90)
|
30
|
(93.7)
|
|
Prior therapy
|
None
|
6
|
(50)
|
N/A
| |
6
| |
| |
Surgery
|
6
|
(50)
|
4
|
(20)
|
10
| |
| |
Radiation
|
0
|
(0)
|
2
|
(10)
|
2
| |
| |
Chemotherapy
|
N/A
| |
20
|
(100)
|
20
| |
|
No.of metastatic sites
|
1
|
3
|
(25.0)
|
5
|
(25)
|
8
|
(25.0)
|
| |
2
|
3
|
(25.0)
|
10
|
(50)
|
13
|
(40.6)
|
| |
3
|
1
|
(8.3)
|
4
|
(20)
|
5
|
(15.6)
|
|
Locoregional
| |
5
|
(41.7)
|
1
|
(5)
|
6
|
(18.8)
|
|
Metastatic
| |
7
|
(58.3)
|
19
|
(95)
|
26
|
(81.3)
|
|
Liver
| |
3
|
(25.0)
|
13
|
(65)
|
16
|
(50.0)
|
|
Lung
| |
7
|
(58.3)
|
19
|
(95)
|
26
|
(81.3)
|
|
Bone
| |
2
|
(16.7)
|
5
|
(25)
|
7
|
(21.9)
|
- Abbreviations: ECOG PS, Eastern Cooperative Oncology Group performance status; N/A, Not applicable.
