Table 2.

Survival data of the primary intrathoracic liposarcoma patients of the study.

Parameter	N (%)	Disease−free survival		Overall survival
		Log−rank	P−value	Log−rank	P−value
Gender	33	0.891	0.345	0.267	0.605
Male	19 (57.6)
Female	14 (42.4)
Age	33	0.723	0.395	0.017	0.896
<=50y	16 (48.5)
>50 y	17 (51.5)
Size	29	0.110	0.740	2.321	0.128
<=10cm	7 (24.1)
>10 cm	22 (75.9)
Location	33	1.488	0.475	5.225	0.073
Mediastinum	18 (54.6)
Pleura space	14 (42.4)
Lung	1 (3.0)
Subtype	33	9.526	<0.05	16.118	<0.001
Well-differentiated	19 (57.6)
Dedifferentiated	12 (36.4)
Myxoid pleomorphic	2 (6.0)
Necrosis	33	2.795	0.095	6.174	<0.05
Yes	8 (24.2)
No	25 (75.8)
Surgical resection	33	7.605	<0.05	4.156	<0.05
Complete resection	14(42.4)
Marginal resection	19(57.6)