Table 3.

Cox regression analysis of overall survival

End point	No of patients		HR (95% CI)	P-value
Age (≤50 years vs >50 years)	47	47	1.344 (0.7618–2.453)	0.3083
EphB4 expression (low vs high)	48	46	1.462 (0.8339–2.707)	0.1880
EphrinB2 expression (low vs high)	47	47	1.697 (0.9814–3.180)	0.0666
Metastatic axillary nodes (≤3 vs >3)	68	26	1.494 (0.8122–3.127)	0.1880
Diameter of primary tumor (≤20 mm vs >20 mm)	5	89	0.385 (0.1427–1.824)	0.3138
Histologic grade (1/2 vs 3)	74	20	1.338 (0.6692–2.927)	0.3857
TNM staging (I/II vs III/IV)	57	37	1.897 (1.1180–3.854)	0.0247

Abbreviations: HR, hazard ratio; CI, confidence interval; TNM, tumor–node–metastasis.