From: Pulmonary sarcomatoid carcinoma: a clinicopathologic study and prognostic analysis of 51 cases
Variable
Î’
Wald
RR
95% CI
P
Tumor size
1.369
7.743
3.931
1.499 to 10.310
0.005
M metastasis
1.803
4.622
6.067
1.173 to 31.388
0.032