TABLE 1.

Associations between clinicopathologic factors and overall survival in patients with epithelioid tumors

Variable	n	%	Median OS (months)	p value
Total	148	100	15.4
Age (years)				0.63
≤65	85	57	16.3
>65	63	43	15.1
Sex				0.43
Female	42	28	18.9
Male	106	72	15.0
Preoperative chemotherapy
No	116	78	15.2	0.55
Yes	32	22	16.3
Disease laterality				0.82
Left	62	42	16.1
Right	86	58	15.1
Surgical procedure				0.17
Extrapleural pneumonectomy	81	55	14.5
Pleurectomy-decortication	55	37	18.9
Other	12	8	7.9
T stage				0.050
T1 + T2	6 + 60	45	16.3
T3 + T4	69 + 13	55	14.5
N stage				0.016
N0	89	60	18.1
N1 + N2	12 + 47	40	9.5
TNM stage				0.006
I + II	5 + 41	31	19.2
III + IV	85 + 17	69	12.5
Lymphatic invasion				0.007
Absence	77	52	20.9
Presence	71	48	12.3
Vascular invasion				0.001
Absence	114	77	17.0
Presence	34	23	9.7
Histologic subtype				< 0.001
Non-pleomorphic	125	84	16.3
Pleomorphic	23	16	8.1

Significant p values (p <0.05) are shown in bold

OS overall survival, TNM tumor-node-metastasis