Table 4.

Multivariate analysis of PFS.

	Hazard Ratio (HR)	95% CI (HR)	p-Value
MET status	1.356	0.763–2.413	0.300
Gender	0.299	0.128–0.697	* 0.005
Histologic type	1.278	0.645–2.531	0.483
Asbestos exposure	1.038	0.495–2.176	0.921
Smoking status	1.460	0.741–2.878	0.274
Stage	3.911	1.364–11.215	* 0.011
Performance status	2.110	0.770–5.779	0.146
Pleurectomy (P/D)	0.576	0.286–1.160	0.123
Age	0.976	0.938–1.015	0.226

P/D: pleurectomy/decortication. Significant p values are marked by *.