Table 3.

Prognostic predictive factors for DFS

Variable	HR (95% CI)	Univariate analysis (p value)
WBC count (×109/L)	1.008 (1.001–1.016)	0.019
Age	1.018 (0.98–1.05)	0.352
Gender (men:female)	1.23 (1.03–1.73)	0.433
EM involvement	1.15 (1.09–1.19)	0.748
B-cell ALL versus T-cell ALL	1.4 (1.35–1.46)	0.265
BFM versus NY-II protocols	0.89 (0.82–1.03)	0.465

WBC, white blood cell; ALL, acute lymphoblastic leukemia; EM, extramedullary.