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Table 2 Multivariate Cox model analysis of effects of pulmonary sarcomatoid carcinoma (PSC) prognosis

From: Pulmonary sarcomatoid carcinoma: a clinicopathologic study and prognostic analysis of 51 cases

Variable

Β

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