Table 7.

Cox proportional-hazards regression model* including High risk** covariate for NB patients overall survival

Covariate	P	OR***	95%CI****of OR
High risk	0.0034	26.1695	2.9741 to 230.2670
Without transplantation	0.0111	4.2160	1.3949 to 12.7425
Unfavourable histology	0.0052	20.4384	2.4824 to 168.2770
Age older than 18 months 0.6819		1.4019	0.2809 to 6.9955

*Overall model fit χ² = 45.904 P < 0.0001

Abbreviations: ** High VEGF expression (score3-7) together with high disease stage (Stage III, IV);***Odds ratio; ****Confidence interval