Table 1.
Clinicopathological characteristics and survival analysis of 51 patients with pulmonary sarcomatoid carcinoma (PSC)
| Characters | Case numbers | The median survival time(month) | 5-year survival rate (%) | x2 | P |
|---|---|---|---|---|---|
| Gender |
|
|
|
|
|
| Male |
43 |
6 |
21.7% |
1.424 |
0.233 |
| Female |
8 |
4 |
21.4% |
||
| Age |
|
|
|
|
|
| ≤60y |
28 |
8.5 |
22.4% |
4.055 |
0.044 |
| >60y |
23 |
4 |
15.1% |
||
| Tumor size |
|
|
|
|
|
| ≤7 cm |
25 |
29 |
30.8% |
21.789 |
0.000 |
| >7 cm |
26 |
4 |
7.7% |
||
| Smoking history |
|
|
|
|
|
| No |
18 |
5 |
25% |
0.622 |
0.430 |
| Yes |
33 |
6 |
21.2% |
||
| T stage |
|
|
|
|
|
| T1-2 |
20 |
32 |
28.4% |
12.423 |
0.000 |
| T3-4 |
31 |
4 |
14.2% |
||
| Lymph node metastasis |
|
|
|
|
|
| No |
27 |
7 |
24.2% |
2.813 |
0.093 |
| Yes |
24 |
4 |
14.3% |
||
| M metastasis |
|
|
|
|
|
| No |
38 |
9 |
26.1% |
36.313 |
0.000 |
| Yes |
13 |
3 |
0 |
||
| Surgery or not |
|
|
|
|
|
| Yes |
37 |
7 |
24.1% |
7.800 |
0.005 |
| No |
14 |
3.5 |
0 |
||
| Postoperative chemotherapy |
|
|
|
|
|
| Yes |
19 |
17 |
38.4% |
4.755 | 0.029 |
| No | 18 | 5.5 | 8.5% |