Table 3.

Multivariate analysis of RFS and OS in AML patients

Variable	RFS		OS
	P	R R (95% CI)	P	R R (95% CI)
Age (year)
<60 versus ≥60	0.6	0.98 (0.69–1.38)	0.55	1.12 (0.78–1.60)
WBC (×109/L)
<20 versus ≥20	0.52	0.79 (0.34–1.87)	0.78	1.03 (0.54–1.84)
Extramedullary disease
Absent versus present	0.004	2.32 (0.98–5.46)	0.008	2.40 (1.26–4.58)
FLT3 mutation
Absent versus present	0.308	1.36 (1.40–2.86)	0.313	1.53 (0.62–3.82)
MLAA-34 level
Low versus high	0.002	1.82 (1.25–2.68)	0.002	1.85 (1.26–2.73)

RFS relapse-free survival; OS overall survival; AML acute myeloid leukemia; RR relative risk; CI confidence interval