Table 3.

Potential prognostic factors using univariate analysis

Characteristics	Patients (n =)	Mean survival (mths)	P Value*
Gender
Male	63	36.42 (31.77–41.08)	0.8860
Female	28	37.08 (30.73–43.44)
TNM stage
I	40	41.61 (37.35–45.87)	0.0005
II	20	38.44 (31.18–45.70)
IIIa	28	30.31 (22.76–37.86)
IIIb	1	6.00 (6.00-6.00)
IV	2	13.50 (3.11–23.89)
Grade of differentiation
Well	32	37.43 (31.17–43.69)	0.4984
Moderate	48	34.76 (29.86–39.67)
Poor	11	39.73 (28.34–51.12)
Nodal status
N (-)	49	41.04 (36.64–45.45)	0.0051
N (+)	42	31.25 (25.64–36.86)
Vessel cancer embolus
V (-)	67	37.50 (33.41–41.58)
V (+)	24	33.89 (25.75–42.03)
Postoperative adjuvant therapy
No	26	37.47 (29.70–45.24)	0.7225
Chemotherapy or Radiation	65	36.03 (31.57–40.49)
MVD
High MVD	39	31.85 (25.68–38.03)	0.0434
Low MVD	52	39.96 (35.48–44.44)
PlGF staining
Low expression	56	40.68 (36.70–44.66)	0.0028
Over expression	35	27.76 (21.17–34.34)

* Log-Rank Test