Table 3.

Multivariate analyses of risk factors contributing to the risk of venous thromboembolism in children with ALL

Parameter of interest	Hazard ratio	95% CI	P
Score greater than 2.5	8.22	1.85-36.53	.005
Age at onset, y	0.94	0.86-1.04	.23
No. of ASP	0.78	0.52-1.20	.20
Broviac versus Port	0.90	0.25-3.30	.88
Enoxaparin (yes)	3.58	0.80-15.99	.094
T phenotype +	1.40	0.18-10.90	.74

ALL indicates acute lymphoblastic leukemia; CI, confidence interval; and ASP, Escherichia coli asparaginase.