Table 6: Multivariate survival analysis (Cox proportional hazards model).

VariablesCoefficient βStandard errorChi-squaredP valueRelative risk ratio95% Confidence interval

VEGF-C expression0.9070.3775.7950.0160.4040.193~0.845
VEGFR-3 expression0.2070.3830.2910.5901.2300.580~2.605
CNTN-1 expression0.8120.3824.5240.0330.4440.210~0.938
Lymphatic invasion1.3890.6145.1170.0240.2490.075~0.831
Lymph node metastasis0.2640.5800.2070.6491.3020.418~4.057
Serosa invasion1.2450.4218.7320.0030.2880.126~0.658
TNM stage0.4260.4910.7530.3850.6530.250~1.709